Sulfur hexafluoride

Modify Date: 2024-01-02 23:44:43

Sulfur hexafluoride Structure
Sulfur hexafluoride structure
Common Name Sulfur hexafluoride
CAS Number 2551-62-4 Molecular Weight 146.05500
Density 6.602 Boiling Point −64 °C1 mm Hg(lit.)
Molecular Formula F6S Melting Point −50 °C(lit.)
MSDS N/A Flash Point N/A

 Names

Name sulfur hexafluoride
Synonym More Synonyms

 Chemical & Physical Properties

Density 6.602
Boiling Point −64 °C1 mm Hg(lit.)
Melting Point −50 °C(lit.)
Molecular Formula F6S
Molecular Weight 146.05500
Exact Mass 145.96200
PSA 25.30000
LogP 3.16940
Vapour density 5.11 (vs air)
Vapour Pressure 22 mm Hg ( 21.1 °C)
Stability Stable. Non-flammable. Explodes on contact with disilane. Reacts with sodium.
Water Solubility slightly

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
WS4900000
CHEMICAL NAME :
Sulfur fluoride
CAS REGISTRY NUMBER :
2551-62-4
LAST UPDATED :
199712
DATA ITEMS CITED :
28
MOLECULAR FORMULA :
F6-S
MOLECULAR WEIGHT :
146.06
WISWESSER LINE NOTATION :
S F6

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
5790 mg/kg
REFERENCE :
TOLED5 Toxicology Letters. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1977- Volume(issue)/page/year: 1000(Sp Iss 1),100,198 *** REVIEWS *** ACGIH TLV-TWA 5970 mg/m3 (1000 ppm) DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 1000 ppm (6000 mg/m3) DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: 3,239,1971 OSHA PEL (Gen Indu):8H TWA 1000 ppm (6000 mg/m3) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1910.1000,1994 OSHA PEL (Construc):8H TWA 1000 ppm (6000 mg/m3) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1926.55,1994 OSHA PEL (Shipyard):8H TWA 1000 ppm (6000 mg/m3) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1915.1000,1993 OSHA PEL (Fed Cont):8H TWA 1000 ppm (6000 mg/m3) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 41,50-204.50,1994 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 1000 ppm (6000 mg/m3) JAN 1993 OEL-BELGIUM:TWA 1000 ppm (5970 mg/m3) JAN 1993 OEL-DENMARK:TWA 1000 ppm (6000 mg/m3) JAN 1993 OEL-FINLAND:TWA 1000 ppm (6000 mg/m3);STEL 1250 ppm (7500 mg/m3) JAN 1993 OEL-FRANCE:TWA 1000 ppm (6000 mg/m3) JAN 1993 OEL-GERMANY:TWA 1000 ppm (6000 mg/m3) JAN 1993 OEL-THE NETHERLANDS:TWA 1000 ppm (6000 mg/m3) JAN 1993 OEL-THE PHILIPPINES:TWA 1000 ppm (6000 mg/m3) JAN 1993 OEL-RUSSIA:STEL 5000 mg/m3 JAN 1993 OEL-SWITZERLAND:TWA 1000 ppm (6000 mg/m3) JAN 1993 OEL-TURKEY:TWA 1000 ppm (6000 mg/m3) JAN 1993 OEL-UNITED KINGDOM:TWA 1000 ppm (6000 mg/m3);STEL 1250 ppm JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO SULFUR HEXAFLUORIDE-air:10H TWA 1000 ppm REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992 NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 70865 No. of Facilities: 30 (estimated) No. of Industries: 4 No. of Occupations: 4 No. of Employees: 177 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 70865 No. of Facilities: 264 (estimated) No. of Industries: 9 No. of Occupations: 11 No. of Employees: 9282 (estimated) No. of Female Employees: 1529 (estimated)

 Safety Information

Hazard Codes Xi: Irritant;
Risk Phrases R37
Safety Phrases S38
RIDADR UN 1080 2.2
WGK Germany -
RTECS WS4900000
Hazard Class 2.2
HS Code 2812901990

 Synthetic Route

 Customs

HS Code 2812901990

 Synonyms

sulphur hexafluoride
1,4-Benzenedicarboxylic acid,2-sulfo
MFCD00011447
Sulfo-terephthalsaeure
sulfoterephthalic acid
2-sulfo-1,4-benzenedicarboxylic acid
sulphoterephthalic acid
Sulfur hexafluoride
2-Sulfo-terephthalsaeure
sulfurhexafluoride
EINECS 219-854-2