Powered by GoogleTranslate

Hydrogen Fluoride (as F)

General Description

Synonyms: Anhydrous hydrofluoric acid; HF-A

OSHA IMIS code: 1460

CAS number: 7664-39-3

Exposure Limits and Health Effects (Updated September 6, 2012)

Standard Set By Exposure Limit Health Effect Codes -- Health Effects and Target Organs
OSHA PEL - General Industry
See 29 CFR 1910.1000 Table Z-1
(See also Z37.28-1969)
3 ppm (2 mg/m3) TWA
HE3 -- skeletal fluorosis
HE14 -- upper respiratory tract and skin irritation
OSHA PEL - Construction Industry
See 29 CFR 1926.55 Appendix A
3 ppm (2 mg/m3) TWA
HE3 -- skeletal fluorosis
HE14 -- upper respiratory tract and skin irritation
OSHA PEL - Shipyard Employment
See 29 CFR 1915.1000 Table Z - Shipyards
3 ppm (2 mg/m3) TWA
HE3 -- skeletal fluorosis
HE14 -- upper respiratory tract and skin irritation
NIOSH REL 3 ppm (2 mg/m3) TWA
6 ppm (5 mg/m3) Ceiling (15 minutes)
HE3 -- skeletal fluorosis
HE14 -- severe irritation and burning of eyes, skin, and respiratory tract
ACGIH TLV® (2004) 0.5 ppm TWA
2 ppm Ceiling
Skin
BEI®
HE3 -- skeletal fluorosis
HE11 -- irritation and corrosion of lung tissue,  pulmonary edema
HE14 -- irritation and burning of eyes, nose, throat, and skin
CAL/OSHA PELs

0.4 ppm (0.33 mg/m3) TWA
1 ppm (0.83 mg/m3 STEL
Skin

HE11 -- lower respiratory tract inflammation
HE14 -- upper respiratory tract irritation

Osteosclerosis or increased bone density due to excessive absorption and retention of fluorides.

Carcinogenic classification:

  • NTP: Not listed
  • IARC: Not listed
  • EPA: Not listed

EPA Inhalation Reference Concentration (RfC): Not established

ATSDR Inhalation Minimal Risk Levels (MRLs): 0.02 ppm (acute)

NIOSH IDLH concentration: 30 ppm

Notes on other potential health effects and hazards:

No other potential health effects or hazards resulting from occupational exposure were found in the scientific literature.

Partial reference list:

  • ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - Hydrogen Fluoride. 2016.
  • ANSI (formerly United States of America Standards Institute): USA Standard Acceptable Concentrations of Hydrogen Fluoride and Inorganic Fluoride Dusts. November 9, 1966.
  • California Occupational Safety & Health Standards Board: Initial and Final Statement of Reasons. March 17, 2012.
  • Lund K et al Exposure to hydrogen fluoride: an experimental study in humans of concentrations of fluoride in plasma, symptoms, and lung function. Occup Environ Med 1997;54:32-37
  • NIOSH: Criteria for a Recommended Standard - Occupational Exposure to Hydrogen Fluoride. March 1976.
  • NIOSH: Occupational Health Guideline for Hydrogen Fluoride. September 1978.

Chemical Sampling Information

By Name

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

By CAS Number

** All Trademarks are the property of their respective owners.

Back to Top

Thank You for Visiting Our Website

You are exiting the Department of Labor's Web server.

The Department of Labor does not endorse, takes no responsibility for, and exercises no control over the linked organization or its views, or contents, nor does it vouch for the accuracy or accessibility of the information contained on the destination server. The Department of Labor also cannot authorize the use of copyrighted materials contained in linked Web sites. Users must request such authorization from the sponsor of the linked Web site. Thank you for visiting our site. Please click the button below to continue.

Close