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Registry of Toxic Effects of Chemical Substances (RTECS)

Ammonium fluoride

RTECS #

BQ6300000

CAS #

12125-01-8

Updated

September 201

Molecular Weight

37.05

Molecular Formula

FH4N

Synonyms

Ammonium fluorure (French)
Fluorek amonowy (Polish)
Neutral ammonium fluoride

Acute Toxicity Data and References

Route/OrganismDoseEffectReference
intraperitoneal/rat lethal dose (50 percent kill): 31 mg/kgXEURAQ UR-154,1951
subcutaneous/frog lowest published lethal dose: 280 mg/kgCRSBAW 124,133,1937

Other Multiple Dose Data and References

Route/OrganismDoseEffectReference
inhalation/rat lowest published toxic concentration: 1600 µg/m3/6H/39W- intermittentBlood: Changes in serum composition (e.g. TP, bilirubin, cholesterol)

Musculoskeletal: Other changes

Biochemical: Enzyme inhibition, induction, or change in blood or tissue levels: Phosphatases
BCTKAG 22,153,1989

Reviews

OrganizationStandardReference
American Conference of Governmental Industrial Hygienists (ACGIH)Threshold Limit Value-time-weighted average 2.5 mg(F)/m3DTLVS* TLV/BEI,2013
American Conference of Governmental Industrial Hygienists (ACGIH)Threshold Limit Value-Not classifiable as a human carcinogenDTLVS* TLV/BEI,2013
TOXICOLOGY REVIEWAMSSAQ 400,5,1963
TOXICOLOGY REVIEWHUTOX* -,683,1996

Standards and Regulations

OrganizationStandardReference
Mine Safety and Health Administration (MSHA) STANDARD-airtime-weighted average 2.5 mg(F)/m3DTLVS* 3,116,1971
Occupational Exposure Limit IN ARGENTINA, BULGARIA, COLOMBIA, JORDAN check ACGIH TLV;
Occupational Exposure Limit IN SINGAPORE, VIETNAM check ACGIH TLV
Occupational Exposure Limit-AUSTRALIAtime-weighted average 2.5 mg(F)/m3, JUL2008
Occupational Exposure Limit-BELGIUMtime-weighted average 2.5 mg(F)/m3, MAR2002
Occupational Exposure Limit-ECtime-weighted average 2.5 mg(F)/m3, JUN2000
Occupational Exposure Limit-FINLANDtime-weighted average 2.5 mg(F)/m3, NOV2011
Occupational Exposure Limit-FRANCEVME 2.5 mg(F)/m3, FEB2006
Occupational Exposure Limit-GERMANYMAK 1 mg(F)/m3, inhal, 2011
Occupational Exposure Limit-HUNGARYtime-weighted average 2.5 mg(F)/m3, short term exposure limit 10 mg(F)/m3, Skin, SEP2000
Occupational Exposure Limit-MEXICOtime-weighted average 2.5 mg(F)/m3, 2004
Occupational Exposure Limit-NEW ZEALANDtime-weighted average 2.5 mg(F)/m3, JAN2002
Occupational Exposure Limit-NORWAYtime-weighted average 0.6 mg(F)/m3, JAN1999
Occupational Exposure Limit-POLANDMAC(time-weighted average) 1 mg(HF)/m3, MAC(short term exposure limit) 3 mg(HF)/m3, JAN1999
Occupational Exposure Limit-RUSSIAtime-weighted average 0.2 mg/m3, short term exposure limit 1 mg/m3, JUN2003
Occupational Exposure Limit-SWEDENtime-weighted average 2 mg(F)/m3, JUN2005
Occupational Exposure Limit-SWITZERLANDMAK-week 1 mg(F)/m3, KZG-week 4 mg(F)/m3, inhal, skin, JAN2011
Occupational Exposure Limit-THAILANDtime-weighted average 2.5 mg(F)/m3, JAN1993
Occupational Exposure Limit-THE PHILIPPINEStime-weighted average 2.5 mg(F)/m3, JAN1993
Occupational Exposure Limit-TURKEYtime-weighted average 2.5 mg(F)/m3, JAN1993
Occupational Exposure Limit-UNITED KINGDOMtime-weighted average 2.5 mg(F)/m3, OCT2007
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Construction)8H time-weighted average 2.5 mg(F)/m3CFRGBR 29,1926.55,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Federal Contractors)8H time-weighted average 2.5 mg(F)/m3CFRGBR 41,50-204.50,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (General Industry)8H time-weighted average 2.5 mg(F)/m3CFRGBR 29,1910.1000,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Shipyards)8H time-weighted average 2.5 mg(F)/m3CFRGBR 29,1915.1000,1993

NIOSH Documentation and Surveillance

OrganizationStandardReference
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO FLUORIDES, INORGANIC-air10H time-weighted average 2.5 mg(F)/m3NIOSH* DHHS #92-100,1992
National Occupational Exposure Survey 1983Hazard Code 84314; Number of Industries 14; Total Number of Facilities 181; Number of Occupations 24; Total Number of Employees Exposed 17582; Total Number of Female Employees Exposed 5107
National Occupational Hazard Survey 1974Hazard Code 84314; Number of Industries 18; Total Number of Facilities 2814; Number of Occupations 23; Total Number of Employees Exposed 10351

Status in Federal Agencies

OrganizationReference
EPA TSCA Section 8(b) CHEMICAL INVENTORY
EPA TSCA Section 8(d) unpublished health/safety studies
EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JANUARY 2001
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