CDC logo, Safer Healthier People  CDC HomeCDC SearchCDC Health Topics A-Z
NIOSH - National Institute for Occupational Safety and Health

Search NIOSH  |  NIOSH Home  |  NIOSH Topics  |  Site Index  |  Databases and Information Resources  |  NIOSH Products  |  Contact Us






Silicate (2 - ) , hexafluoro - , dihydrogen

RTECS #: VV8225000

CAS #: 16961-83-4


UPDATE: May 2009 MW: 144.11 MF: F6Si•2H


NOTE:

TABLE OF CONTENTS:
  1. SYNONYMS:
  2. ACUTE TOXICITY DATA:
  3. REVIEWS:
  4. STANDARDS AND REGULATIONS:
  5. NIOSH DOCUMENTATION AND SURVEILLANCE:
  6. STATUS IN FEDERAL AGENCIES:
  7. REFERENCES:

SYNONYMS:

  1. Acide fluorosilicique (French)
  2. Acide fluosilicique (French)
  3. Acido fluosilicico (Italian)
  4. Dihydrogen hexafluorosilicate (2 - )
  5. FKS
  6. Fluosilicic acid
  7. Hexafluorokieselsaiure (German)
  8. Hexafluorokiezelzuur (Dutch)
  1. Hexafluosilicic acid
  2. Hydrofluosilicic acid
  3. Hydrogen hexafluorosilicate
  4. Hydrosilicofluoric acid
  5. Kiezelfluorwaterstofzuur (Dutch)
  6. Sand acid
  7. Silicofluoric acid
  8. Silicon hexafluoride dihydride


SKIN AND EYE IRRITATION DATA AND REFERENCES:

ROUTE/
ORGANISM
DOSE
EFFECT

REFERENCE
N/R
N/R N/R N/R


MUTATION DATA AND REFERENCES:

SYSTEM TEST ROUTE/
ORGANISM/
TISSUE
DOSE REFERENCE
N/R N/R N/R N/R


REPRODUCTIVE EFFECTS DATA AND REFERENCES:

ROUTE/
ORGANISM
DOSE
EFFECT

REFERENCE
N/R
N/R N/R N/R


TUMORIGENIC DATA AND REFERENCES:

ROUTE/
ORGANISM
DOSE
EFFECT

REFERENCE
N/R
N/R N/R N/R


ACUTE TOXICITY DATA AND REFERENCES:

ROUTE/
ORGANISM
DOSE
EFFECT

REFERENCE
oral
rat
lethal dose (50 percent kill): 430 mg/kg Behavioral: Somnolence (general depressed activity) NTIS** OTS0555557
subcutaneous
frog
lowest published lethal dose: 140 mg/kg N/R CRSBAW 124,133,1937


OTHER MULTIPLE DOSE DATA AND REFERENCES:

ROUTE/
ORGANISM
DOSE
EFFECT

REFERENCE
N/R
N/R N/R N/R


REVIEWS:

ORGANIZATION STANDARD
REFERENCE

American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value time-weighted average 2.5 mg(F)/m3 DTLVS* TLV/BEI,2007
American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value Not classifiable as human carcinogen DTLVS* TLV/BEI,2007
TOXICOLOGY REVIEW
AMSSAQ 400,5,1963


STANDARDS AND REGULATIONS:

ORGANIZATION STANDARD
REFERENCE

Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (General Industry) 8 hour time-weighted average 2.5 mg(F)/m3 CFRGBR 29,1910.1000,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Construction) 8 hour time-weighted average 2.5 mg(F)/m3 CFRGBR 29,1926.55,1994
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Shipyards) 8 hour time-weighted average 2.5 mg(F)/m3 CFRGBR 29,1915.1000,1993
Occupational Safety and Health Administration (OSHA) Permissible Exposure Limit (Federal Contractors) 8 hour time-weighted average 2.5 mg(F)/m3 CFRGBR 41,50-204.50,1994
Occupational Exposure Limit - AUSTRALIA time-weighted average 2.5 mg(F)/m3, JUL2008
Occupational Exposure Limit - BELGIUM time-weighted average 2.5 mg(F)/m3, MAR2002
Occupational Exposure Limit - DENMARK time-weighted average 2.5 mg(F)/m3, OCT 2002
Occupational Exposure Limit - EC time-weighted average 2.5 mg(F)/m3, FEB 2006
Occupational Exposure Limit - GERMANY MAK 1 mg(F)/m3 (inhalable), 2005
Occupational Exposure Limit - HUNGARY time-weighted average 2.5 mg(F)/m3, short term exposure limit 10 mg(F)/m3, Skin, SEP2000
Occupational Exposure Limit - MEXICO time-weighted average 2.5 mg(F)/m3, 2004
Occupational Exposure Limit - UNITED KINGDOM time-weighted average 2.5 mg(F)/m3, 2005


NIOSH DOCUMENTATION AND SURVEILLANCE:

ORGANIZATION STANDARD or SURVEY
REFERENCE

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Level TO FLUORIDES, INORGANIC-air 10 hour time-weighted average 2.5 mg(F)/m3 NIOSH* DHHS #92-100,1992
National Occupational Hazard Survey 1974 National Occupational Hazard Survey 1974: Hazard Code: 81843;
Number of Industries 7;
Total Number of Facilities 142;
Number of Occupations 14;
Total Number of Employees Exposed 775
National Occupational Exposure Survey 1983 National Occupational Exposure Survey 1983: Hazard Code: 81843;
Number of Industries 19;
Total Number of Facilities 1,758;
Number of Occupations 15;
Total Number of Employees Exposed 10,867;
Total Number of Female Employees Exposed 2,068


STATUS IN FEDERAL AGENCIES:

ORGANIZATION
REFERENCE

EPA TSCA Section 8(b) CHEMICAL INVENTORY
Used in the manufacture of its sodium salt, SODIUM SILICOFLUORIDE
EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JANUARY 2001


REFERENCES:

CODEN
REFERENCE

AMSSAQ Acta Medica Scandinavica, Supplement. (Almqvist & Wiksell, POB 45150, S-10430 Stockholm, Sweden) No.1-730, 1921-88.
CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402)
CRSBAW Comptes Rendus des Seances de la Societe de Biologie et de Ses Filiales. (SPPIF, B.P.22, F-41353 Vineuil, France) V.1- 1849-
DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996
NIOSH* National Institute of Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda.
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information.

Used in the manufacture of its sodium salt, SODIUM SILICOFLUORIDE

ALT CAS #: 1309-45-1
Click Here for Additional Information about RTECS

NIOSH Home |  NIOSH Search  |  Site Index  |  Topic List |  RTECS List |  Contact Us