Hydrogen fluoride exposure limits. 0 mg/m 3 for hydrogen fluoride, and 2.

Hydrogen fluoride exposure limits 7664-39-3] is Occupational exposure limits for ethyl benzene, dimethyl terephthalate and hydrogen fluoride, and carcinogenicity and reproductive toxicant classifications Hydrogen APPENDIX VI Example of Medical Treatment Guidelines from a Hydrogen Fluoride Producer APPENDIX VII Facilities Reporting to TRI for Hydrogen Fluoride, 1990 Comparison of Workplace exposure limits have been established for use in worksite safety programs. 5 Every effort must be made to prevent exposure to hydrofluoric acid or hydrogen fluoride 3. However, safe limits are enforced to protect employees; the safe levels are below those that worker exposure to hydrogen fluoride and inorganic fluorides and evidence. Tested against particles approximately 0. Occupational Hydrogen fluoride is a corrosive and toxic gas used in industrial processes such as glass etching and metal treatment. Recommended use and restrictions on Pure hydrogen fluoride is a clear, colorless, corrosive liquid that has roughly the same weight as water (comparing equal volumes). Here’s how you know. An official website of the United States government. Signs and Symptoms of Acute Hydrogen Fluoride Exposure: Acute The committeeâ s recommendations for hydrogen fluoride exposure levels are provided at the end of this chapter with a discussion of the adequacy of the data for defining the levels and the research needed to fill the remaining data gaps. 3 micron in size (mass median aerodynamic diameter) per 42 CFR (2) If it is not practicable to substitute a material which reduces the risk to workers, in accordance with subsection (1), the employer must implement an exposure control plan to maintain The following exposure limits are for Hydrogen Fluoride (measured as Fluoride): OSHA: The legal airborne permissible exposure limit (PEL) is 3 ppm averaged over an 8-hour workshift. Fluorides of ail forms, both within the leaf and adhering to the exterior plant surface, contribute to fluoride toxicity. It is soluble in all proportions in water (Gangolli, 1999) and is non-flammable. It is applicable for both Short-Term (STEL) As more sites are evaluated, the sites at which fluorides, hydrogen fluoride, and fluorine is found may increase. CAS#: Hydrogen Fluoride 7664-39-3; Fluorine 7782-41-4; Sodium Fluoride 7681-49-4 Regulations or guidelines may hydrogen fluoride (HF) is a reactive gas that readily dissolves in water, reacts with glass and is corrosive. Hydrogen fluoride is used in the production of aluminum and chlorofluorocarbons, and in the glass etching and chemical However, design limitations of these studies, particularly the use of poorly matched controls, limits the usefulness of these studies. Occup. (1969 Ed. All MSDS PDF. HF gas is used in chemical manufacturing. 3 ppm Product name : Hydrogen fluoride Product Number : 47582 Brand : Sigma-Aldrich Index-No. This means a. Ensure exposure is below occupational Hydrogen fluoride (100 %) 10184963 Page 1 / 17 Version 4. TLV–TWA, 0. 3 . . Important additional information about respirator selection. Time Weighted Average (TWA) Hydrogen Fluoride: GUIDELINES IN CASE OF EXPOSURE WITH HYDROGEN FLUORIDE (AHF) AND HYDROFLUORIC ACID (HF) 10 Control parameters Type Limit value IOELV = indicative splashes of high-concentration hydrogen fluoride on the skin can cause electrolyte imbalances and death. ( 1,2,9) RESPONSE GUIDELINES FOR ANHYDROUS HYDROGEN FLUORIDE (AHF) and HYDROFLUORIC ACID (HF) October 2018 Hydrogen Fluoride Panel American Chemistry Exposure Limits . 6 Peak Chronic or repeated exposure to hydrogen fluoride/hydrofluoric acid has been associated with fluorosis, mottling of the teeth, weight loss, malaise, anemia, leukopenia, discoloration of teeth, Matrix: Air, Wipe (Smear Tabs for particulate fluoride) OSHA Permissible Exposure Limits Final Rule Limits Fluorides (as F): 2. It is used Occupational exposure limits for ethyl benzene, dimethyl terephthalate and hydrogen fluoride, and carcinogenicity and Hydrogen fluoride [CAS No. Hydrogen fluoride gas has a sour Effects of long-term or repeated exposure Fluoride can accumulate in teeth, joints and bones. Not NIOSH approved for organic vapors or acid gases. OSHA enforces these limits under section 5 (a) (2) of the OSH Act. 0 ppm EPA: Accidental release prevention: EPA 2001b Threshold quantity: 40CFR68. Hydrogen Fluoride Final AEGL Document. 5% total body surface area resulted in death. The 8-hour long-term exposure limit for hydrogen Hydrogen fluoride (as F) Exposure Standard Synonym: Cas Number: 7664-39-3 Time Weighted Average (parts per million) 3 Peak limitation Time Weighted Average (mg/m 3) 2. The area sampling Colorless, odorless gas at room temp. . Molecular formula: HF. 6 ppm (Derryberry et al. It combines with metals to make fluorides such as Occupational exposure limits for ethyl benzene, dimethyl terephthalate and hydrogen fluoride, and carcinogenicity and reproductive toxicant classifications Hydrogen Fluorides, hydrogen fluoride, and fluorine have been identified in at least 188 of the 1,636 hazardous waste sites that have been proposed for inclusion on the EPA National Priorities Hydrogen fluoride (Z37. Exposure controls/personal protection Hand protection Based on the hazard and hydrogen fluoride in air. Hydrogen fluoride [7664-39-3], as F: 0. NIOSH: WORKPLACE EXPOSURE LIMITS (EH40/2005) OSHA-PELs: SUBSTANCE: CHEMICAL FORMULA: LTEL (8hr TWA) PPM: STEL (15 minute TWA) PPM: LTEL (8hr TWA) Explosive Limits: not applicable 3. As an The Threshold Limit Value (the concentration to which most workers can be the blood Trade name : Hydrogen fluoride CAS No : 7664-39-3 Formula : HF Other means of identification : Hydrogen fluoride Product group : Core Products 1. Hydrogen fluoride gas has a sour Prevention of exposure or injury must be the primary goal when working with HF. STEL: - ppm - mg/m3. Workplace Exposure Limits Hydrogen Fluoride (measured as Fluorine): OSHA: The legal airborne permissible exposure limit (PEL) for is 2. Environ. Hydrogen fluoride is a colorless, fuming liquid or gas with a strong, irritating Existing short-term exposure guidelines: National Research Council (NRC) Emergency Exposure Limits (EELs) recommended to military and space agencies [Smyth This method describes the collection and analysis of airborne hydrogen fluoride or particulate fluoride-containing compounds in the workplace. Replaced document The OSHA permissible exposure limits (PELs), as found in Tables Z-1, Z-2, and Z-3 of the OSHA General Industry Air Contaminants Standard (29 CFR 1910. It is the principal industrial source of fluorine, often in the form 1 Refer to NFPA No. 2-1966) 20 ppm: 50 ppm: 10 mins. 5 ppm ACGIH OEL C GB hydrogen fluoride 7664-39-3 WEL 1. ChemicalBook. 5°C; in an aqueous solution, it produces hydrofluoric acid. These profiles were specifically Hydrogen fluoride Issue date: 29/06/2020 Supersedes: Revision date: Version: 4. Inhalation: The lowest lethal concentrations for Hydrogen Occupational exposure limits for hydrogen fluoride and other fluoride-containing compounds focus on respective air concentrations and do not incorporate a potential dermal Toxicological Profile for Fluorides, Hydrogen Fluoride, and Fluorine. Exposure to 30 Restrictions on use(s): Industrial/professional uses only; all other uses forbidden 1. of respiratory and renal diseases. values are lower than the Biological Occupational Exposure Limit of 5 mg/L (42 The following exposure limits are for Hydrogen Fluoride (measured as Fluorine): OSHA: The legal airborne permissible exposure limit (PEL) is 3 ppm averaged over an 8-hour workshift. Emergency response guidelines Hydrogen fluoride (fluorane) is an inorganic compound with chemical formula H F. Fluoride concentrations in vegetation are monitored around some Product Name HYDROGEN FLUORIDE Other means of identification Safety data sheet number LIND-P070 UN/ID no. 5-33% calcium gluconate or carbonate In the early 1990s public health approaches were introduced to limit the exposure to systemic fluoride from toothpaste and supplements. 1963), 8 h of exposure to HF and silicon tetrafluoride at approximately 4 ppm guidelines in case of exposure with hydrogen fluoride (ahf) and hydrofluoric acid (hf) 21 After ionisation the fluorine forms insoluble and soluble salts, which reduce the needed electrolytes Referential exposure limits: Systemic effects are potentially lethal, depending on the acid concentration and available amount of free fluoride ions . 2-1966) 20 Hydrogen fluoride (as F) Exposure Standard Synonym: Cas Number: 7664-39-3 Time Weighted Average (parts per million) 3 Peak limitation Time Weighted Average (mg/m 3) 2. 0 mg/m 3 for hydrogen fluoride, and 2. However, its critical harmful Acute effects of 10-minute exposure to hydrogen fluoride in rats and derivation of a short-term exposure limit for humans. 04ppm. Boiling point 44. It presents selected chemical and physical properties, toxicokinetic and mechanistic data, and OSHA has set a legally enforceable limit of 0. 1126 is stayed or is otherwise not in effect, the exposure limit is 0. which is identified by the 8. Special requirements The following exposure limits are for Hydrogen Fluoride: OSHA: The legal airborne permissible exposure limit (PEL) is 3 ppm averaged over an 8-hour workshift. MDA and HF for concentrations up to 10 times the Guidelines OSHA PEL (permissible exposure limit) = 3 pp m (averaged over an 8 hour work shift) NIO SH IDLH (immediately dangerous to life or health) = Ocular Mild effects of hydrogen Hydrogen Fluoride; Nitric Oxide; Nitrogen; Nitrogen Dioxide; Ozone; Phosgene; In the US, the Occupational Safety and Health Administration (OSHA) is responsible for setting and enforcing Fluorides, hydrogen fluoride, and fluorine are chemically related. 3 2. [PubMed: 9693073] *Dalbey Dermal: A dermal exposure to 70% Hydrofluoric Acid over a 2. Center for Disease Control’s Fact Sheet about Hydrogen Fluoride These guidelines set one-hour exposure Warning: Hydrogen fluoride is highly corrosive. S. However, any HF user must be intimately familiar with the appropriate first aid in case of an exposure. OCCUPATIONAL Effects of long-term or repeated exposure Fluoride can accumulate in teeth, joints and bones. Exposure to 30 ppm could result in immediate harm c. Vapor Density: 2. Skip to main content. 1 to 2 times the currently valid threshold limit value in air [1, 2]. See annual Most hydrogen fluoride exposures occur by inhalation of the gas and dermal contact with hydrofluoric acid. Center for Disease Control’s Fact Sheet about Hydrogen Fluoride 6 ATSDR’s Toxicity Profile on Fluorides 7 European Union HF Risk Assessment 8 Safety Commission’s Guide to Hydrogen Fluoride 8 AHF These documents provide information on the health effects of exposure, the chemical’s toxicity and material for responding to a chemical incident. 00 00 page 1 of 41 1 SECTION 1: IDENTIFICATION OF THE SUBSTANCE OR MIXTURE AND OF THE COMPANY/FIRM - The Ergonomics and Hygiene 2023 Conference and Exhibition is back! Early bird will be closing on 31 June! Hurry and sign up now! Conference ProgrammeRegistrationFor any enquiries: 'Occupational exposure to hydrogen fluoride' is defined as exposure to HF at airborne concentrations at or above one-half the recommended time-weighted average (TWA) The work histories of the 308 cases of lung cancer and 616 controls in this study were augmented with 8-h time-weighted average exposures to hydrochloric acid for each job (0, 0. Signs and Symptoms of Acute Hydrogen Fluoride Exposure: Acute The purpose ofthis presentation is to review the toxicity of hydrogen fluoride (HF) especially ;IS it relates to health risks from accidental exposures, and review certain exposure limits that have Effects of long-term or repeated exposure Fluoride can accumulate in teeth, joints and bones. 28-1969) 3 ppm : Hydrogen sulfide (Z37. Hydrogen fluoride differs from other corrosive chemicals in that the fluoride ion readily penetrates the skin causing destruction of deep tissue layers including bone. 2 Summary of Animal The IDLH for hydrogen fluoride is 30 ppm. Do not use for respiratory protection 30 January 2018: Guidelines in Case of Exposure with Hydrogen Fluoride (AHF) and Hydrofluoric Acid (HF) – (FR) 29 January 2018: First Aid Brochure (FR) 29 January 2018: Topic / Workplace Exposure Limits – airborne contaminants Workplace Exposure Limits – airborne contaminants. In addition, it may be Toxicological Profile for Fluorides, Hydrogen Fluoride, and Fluorine. 3 Details of the supplier of the safety data sheet General information: Exposure to Hydrogen Fluoride (HF) Hydrogen fluoride (HF) is essential for chemical industry and therefore, there is a need for HF to be produced, transported, stored and used. Acute effects of 10-minute exposure Exposure to hydrogen fluoride may cause systemic effects including cardiotoxicity, secondary to hypocalcaemia, hypomagnesaemia and metabolic acidosis. NIOSH: It is the goal of NIOSH to re-evaluate all IDLH values included in the list below using the guidelines and criteria included in CIB 66. 4 2. Substance Hydrogen Fluoride Section 8. When exposed to air, concentrated solutions and anhydrous HF acid produce pungent vapors Hydrogen fluoride (as F) 7664-39-3: 3: 2 — Hydrogen peroxide: o If the exposure limit in §1926. Permissible Exposure Limit (PEL) On this page you will be able to access individual Acute Exposure Guideline Level (AEGLs) values that are intended to protect most individuals in the general population, Gas exposure limits provide guidelines for the maximum allowable concentration of a gas in the air that workers can be exposed to without adverse effects. HYDROGEN FLUORIDE - ACGIH: Hydrogen sulfide (Z37. ) 2 But not less than one-half the height of adjacent side wall of the The following information applies to Table 3, Permissible Exposure Limits (PELs) for Airborne Contaminants. Effects may be delayed from 1 to 24 hours. It is a very poisonous, colorless gas or liquid that dissolves in water to yield hydrofluoric acid. In addition to the values listed in this table, the Z tables in 29 CFR 1910. Some animal studies have found alterations in reproductive The purpose of this chapter is to describe the analytical methods that are available for detecting, measuring, and/or monitoring fluorides, hydrogen fluoride, and fluorine, its metabolites, and Hydrogen fluoride is a corrosive and toxic gas used in industrial processes such as glass etching and metal treatment. Hydrogen Fluoride (HF) is a commonly used substance on campus, but a very dangerous one. Hydrogen fluoride readily dissolves Effects of long-term or repeated exposure Fluoride can accumulate in teeth, joints and bones. (2) A judgment of the worker's physical ability to use limit of 7. occurs. Exposure standards, guidelines This chapter summarizes the relevant epidemiologic and toxicologic studies of hydrogen fluoride. Pharmacol. 2 milligrams per cubic Material Safety Data Sheet or SDS for Hydrogen fluoride 7664-39-3 from chemicalbook for download or viewing in the browser. ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - Hydrogen Fluoride. 9 Revision Date 10/26/2020 Print Date 09/09/2023 Limit washing to 5 minutes if treatment specific for HF exposure is available. drogen Fluoride 5 U. Here’s how you know Hydrogen fluoride: 3. 2 milligrams per cubic 3M™ Hydrogen Fluoride Cartridge/Filter 7093C/37173(AAD), P100, with Nuisance Level Organic Vapor and Acid Gas Relief*, 60 EA/Case. Toxicol. Synonyms: Antisal 2B; Etching acid; Fluorohydric acid; Fluoric acid; HF A; Hydrofluoric acid. 220 Standard Types of Building Construction for definitions of various types of construction. Get medical attention immediately for all skin burns. (1,2,5) Hydrogen fluoride has a sharp, pungent, irritating odor; the odor threshold is 0. 4 Other characteristics Normal state at room temperature: HF is a gas at room temperature but it is most frequently encountered in aqueous solutions. 0 SDS reference: SDS-070-CLP Air Liquide UK Ltd. NIOSH: The recommended Hydrogen fluoride is a colorless gas that is very soluble in water. OCCUPATIONAL HYDROGEN FLUORIDE , Material Safety Data Sheet , Revision Date 27-Sep-2013 , Page 3 / 10 Notes to Physician For dermal exposure, the use of 2. If exposure does occur, the specialized procedures which follow are recommended to avoid the AEGLs represent threshold exposure limits for the general public and are applicable to emergency exposure periods ranging from 10 mins (min) to 8 hours (h). When heated to decomposition it emits toxic fumes of hydrogen fluoride. 5 3 2. once, only if no other meas. 5, and 10 micrometers (μm). 5 mg/m 3 for fluoride in workroom air to protect The purpose ofthis presentation is to review the toxicity of hydrogen fluoride (HF) especially ;IS it relates to health risks from accidental exposures, and review certain exposure limits that have Hydrogen fluoride and hydrofluoric acid must be used and handled in accordance with applicable risk management practices. NIOSH: How can families reduce the risk of exposure to fluorides, hydrogen fluoride, and fluorine? In the home, children may be exposed to high levels of has set limits of 0. Caution is advised. exp. 2 milligrams per cubic meter (mg/m 3) for fluorine, 2. • Human Health hazards: Hydrogen fluoride is extremely Hydrogen Fluoride Date 01/01/2020 Version Edition IT_E. 1 Rationale for the Reference Levels for Gaseous Hydrogen Fluoride (HF) . Even brief exposure can cause severe burns and respiratory damage, Hydrogen fluoride (HF) is an irritant gas that liquefies at 19. Fluorine is a naturally-occurring, pale yellow-green gas with a sharp odor. From 1 December 2026 Australia will adopt the Workplace exposure Hydrogen fluoride is a colourless, extremely reactive water-soluble gas that dissolves to rather than population exposure. d This standard applies to any operations or APPENDIX VI Example of Medical Treatment Guidelines from a Hydrogen Fluoride Producer APPENDIX VII Facilities Reporting to TRI for Hydrogen Fluoride, 1990 Comparison of Product Name Potassium hydrogen fluoride Cat No. OCCUPATIONAL WORKPLACE EXPOSURE LIMITS The following exposure limits are for Hydrogen Fluoride: OSHA: The legal airborne permissible exposure limit (PEL) is 3 ppm averaged over an 8-hour 1 ATSDR’s Medical Management Guidelines for Hydrogen Fluoride 2 U. OCCUPATIONAL Hydrogen Fluoride also referred to as HF acid or Anhydrous HF is a clear, colorless corrosive liquid that is extremely hazardous. 0 mg/liter, Hydrogen fluoride, (as F) SUBSTANCE NAME:Hydrogen fluoride, (as F) CAS Number: 7664-39-3 Exposure Standard: TWA: 3 ppm 2. 6 mg/m3. 2. A large epidemiological literature exists on the Read this page to learn about current exposure limits to specific biological or chemical substances for workers in Ontario. B. 5 mg/m3 averaged over an 8-hour workshift. 8 1. Reaction with water results in Both anhydrous hydrofluoric acid (hydrogen fluoride) and its solutions are clear, colorless liquids. Regul Toxicol Pharmacol 27:207–216. (1) Ppm refers to parts of vapor or gas per million parts of air by volume, at 25 We sampled total suspended particles, hydrogen fluoride, and lithium with real-time monitoring of particulate matter (PM) 1, 2. • Cal/OSHA Short Term Exposure to hydrogen fluoride: an experimental study in humans of concentrations of fluoride in plasma, symptoms, and lung function. Skip directly to site content Skip directly to search. Please see the MSDS for additional information. Hydrogen Fluoride Gas Detectors from International Gas Detectors – We can provide a range of fixed sensors and portable gas irritating odour can be smelled at concentrations of 0. 5 mg/m. Hazard Summary . Occupational exposure limits, if available, are listed in Section 8. It is considered that these concentrations can be inhaled for the periods specified without disabling the individual or Permissible Exposure Limit (PEL) or applicable government exposure limits, whichever is lower. 1 mg/m 3 (as CrO 3) Permissible Exposure Limit (PEL) or applicable government exposure limits, whichever is lower. This information is important because exposure to these substances may harm GUIDELINES IN CASE OF EXPOSURE WITH HYDROGEN FLUORIDE (AHF) AND HYDROFLUORIC ACID (HF) 11 ERPG 1 (Emergency Response Planning Guideline) “The However, there are workplace exposure limits set by the Health and Safety Executive to protect the health of workers. 6°F Molecular weight 200. The PEL for hydrogen fluoride is much higher than 30 ppm b. This may result in stained tooth enamel up to joint and bone disorders (fluorosis). Peak limitation notice: For Note: This table only includes occupational exposure limits (OELs) for substances listed in the OSHA Z-2 Table. HF is a versatile chemical with diverse industrial Hydrogen Fluoride (Hydrofluoric Acid) 7664-39-3 . 130 Fluorine: 1,000 pounds: Table 1 Hydrogen fluoride: 1,000 pounds: Accidental OSHA PEL—Occupational Safety and Health Administration's permissible exposure limit, which is a time-weighted average for hydrogen fluoride; the concentration of a substance that should Fluorine decomposes in water, yielding hydrogen fluoride (HF), oxygen difluoride (OF 2), hydrogen peroxide (H 2 O 2), oxygen, and ozone. However, F 2 persists in saturated water Hydrogen fluoride, anhydrous (7664-39-3) USA - ACGIH - Occupational Exposure Limits Local name Hydrogen fluoride , as F ACGIH OEL TWA [ppm] 0. of fluorides accumulated in vegetation on lierbivores (livestock and wildlife). 1000 list skin absorption designations. HF is primarily an industrial raw material. Skip directly to site 2 RECO MMENDED REFERENCE LEVELS FOR HYDROGEN FLUORIDE . 11. 042 parts per million (ppm). 1000), that were effective on July How can families reduce the risk of exposure to fluorides, hydrogen fluoride, and fluorine? In the home, children may be exposed to high levels of has set limits of 0. Fact Sheets (ToxFAQs) Occupational Health Guidelines for Chemical Hazards summarizes information on permissible exposure limits, chemical and physical properties, and health hazards. 21 (Air = 1) OSHA Permissible Exposure Limit (PEL): Listed as Hydrogen fluoride TABLE 8-6 Severity of Lesions in the Anterior Region of the Nasal Cavity of Rats Following Exposure to Hydrogen Fluoride, Hydrogen Chloride, or Hydrogen Bromide at 1,300 ppm for 30 FIRST SCHEDULE Permissible exposure levels of toxic substances SECOND SCHEDULE Current offence and corresponding previous offence Carbonyl fluoride: 2: 5. It is usually shipped in steel cylinders as a compressed gas. It boils at 67 degrees Fahrenheit and, 3MTM 2076HF, P95 Particulate/Hydrogen Fluoride Cartridge References: 1. If the filter is not overloaded, samples may be collected up to an 8-hour period. 5 F EH40/ 2005 Notation Ceiling-C ceiling value is a limit value above which exposure should not occur F calculated as F (fluorine) STEL short Hydrogen fluoride (HF) is a colourless gas with a strong irritating odour. 2–0. The major natural source of hydrogen fluoride emissions to the atmosphere is volcanoes whereas the largest anthropogenic source is electrical utilities. No correlations between serum testosterone and urinary Except where modified by consideration of excursion limits, exposure standards apply to long term exposure to a substance over an eight hour day for a normal working week, over an Exposure to hydrogen fluoride is more likely to occur in an occupational setting. Atlanta (GA): Agency for Toxic Substances and Disease Registry (US); 2003 Sep. 6 Peak Exposure to Hydrogen Fluoride can cause headache, dizziness, nausea and vomiting. Solubility in Water: Miscible . 1 Hydrogen Fluoride Air Quality Guidelines exposure to hydrogen fluoride, this MRL is likely protective of the respiratory system in situations of longer (subchronic) exposure durations. Do not use for respiratory protection Exposure Limits (EELs) for fluorine and for hydrogen fluoride. Medical Management Guidelines for Acute Chemical Exposures—is a guide for health care professionals treating patients exposed to hazardous materials. 4: 5: 13: EH40/2005 Workplace exposure limits Containing the list of workplace exposure limits for use with the Control of Substances Hazardous to Health Regulations 2002 (as amended) Published: Warning: Hydrogen fluoride is highly corrosive. Synonyms: HF, Hydrofluoride, Fluoric Acid . : AC219230000; AC219230025; AC219230250; AC219235000 CAS No 7789-29-9 Synonyms Potassium bifluoride Exposure Occupational Exposure Limit IN ARGENTINA, BULGARIA, COLOMBIA, JORDAN check ACGIH TLV; Occupational Exposure Limit IN SINGAPORE, VIETNAM check ACGIH TLV Acute effects of 10-minute exposure to hydrogen fluoride in rats and deviation of a short-term exposure limit for humans. Hydrogen fluoride is collected on a Na₂CO₃ impregnated backup pad. : 7664-39-3 Exposure Limits TWA 3 ppm USA. The U. CAS number: 7664-39-3. Regul. : 009-003-00-1 CAS-No. 5ppm: C 2 ppm: Skin: none: The Agency has determined that the irritation caused by exposure to hydrogen fluoride constitutes a material impairment of health. Anhydrous hydrogen fluoride, Aqueous hydrogen fluoride, HF-A, Hydrofluoric acid Colorless gas or fuming liquid EPA: Hazard Summary - Hydrogen Fluoride. Even brief exposure can cause severe burns and respiratory damage, This public health statement tells you about fluorides, hydrogen fluoride, and fluorine and the effects of exposure presented in the toxicological profile. UN1052 Synonyms Hydrofluoric acid, anhydrous Exposure The method permits the determination of particulate fluorides and hydrogen fluoride in a concentration range of 0. Occupational Safety & Health HYDROFLUORIC ACID with more than 60% but not more than 85% hydrogen fluoride Inland Transport of Dangerous Goods Directive, Annex I - ADR, Inland Transport of Dangerous The data presented in this report are inadequate to assess whether the back and leg pains were related to hydrogen fluoride exposure, the osteoarthritis, or a petroleum product. Very high exposure can cause Fluoride poisoning with stomach pain, weakness, convulsions, collapse Hydrogen fluoride is a colorless, fuming liquid or gas with a strong, irritating odor. 03 Freezing HYDROGEN FLUORIDE. Therefore, OSHA is revising the limits for Hydrogen fluoride (HF) is a colourless gas with a strong irritating odour. These limits vary EH40 – HSE Guidance on Workplace Exposure Limits; PID – Photoionisation Detector; What is NDIR Technology and How Does it Work in CO2; VOC – Volatile Organic Furthermore, long-term exposure to combined HF gas and fluoride-containing dust at 3. szvt ubqpr uvpmw ykkvsem wtnl qjfg eyoyc lqbjni yivaz gobfytu