Thionyl chloride

Modify Date: 2024-05-08 22:01:02

Thionyl chloride Structure
Thionyl chloride structure
Common Name Thionyl chloride
CAS Number 7719-09-7 Molecular Weight 118.970
Density 2.0±0.1 g/cm3 Boiling Point 79.0±9.0 °C at 760 mmHg
Molecular Formula Cl2OS Melting Point -105 °C
MSDS Chinese USA Flash Point 105°C
Symbol GHS05 GHS06
GHS05, GHS06
Signal Word Danger

 Names

Name thionyl dichloride
Synonym More Synonyms

 Chemical & Physical Properties

Density 2.0±0.1 g/cm3
Boiling Point 79.0±9.0 °C at 760 mmHg
Melting Point -105 °C
Molecular Formula Cl2OS
Molecular Weight 118.970
Flash Point 105°C
Exact Mass 117.904694
PSA 36.28000
LogP 0.68
Vapour Pressure 100.3±0.1 mmHg at 25°C
Index of Refraction 1.593
Stability Reacts violently with water. Incompatible with most common metals, strong reducing agents, strong bases, alcohols, amines.
Water Solubility REACTS

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
XM5150000
CHEMICAL NAME :
Thionyl chloride
CAS REGISTRY NUMBER :
7719-09-7
LAST UPDATED :
199712
DATA ITEMS CITED :
15
MOLECULAR FORMULA :
Cl2-O-S
MOLECULAR WEIGHT :
118.96
WISWESSER LINE NOTATION :
OSGG

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
500 ppm/1H
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: AD-A148-952 *** REVIEWS *** ACGIH TLV-CL 4.9 mg/m3 (1 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 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 1 ppm (5 mg/m3) JAN 1993 OEL-BELGIUM:STEL 1 ppm (4.9 mg/m3) JAN 1993 OEL-DENMARK:TWA 1 ppm (5 mg/m3) JAN 1993 OEL-THE NETHERLANDS:TWA 1 ppm (5 mg/m3) JAN 1993 OEL-SWITZERLAND:TWA 1 ppm (5 mg/m3) JAN 1993 OEL-UNITED KINGDOM:STEL 1 ppm (5 mg/m3) 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 THIONYL CHLORIDE-air:CL 1 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 - 82024 No. of Facilities: 73 (estimated) No. of Industries: 3 No. of Occupations: 7 No. of Employees: 2440 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 82024 No. of Facilities: 43 (estimated) No. of Industries: 2 No. of Occupations: 6 No. of Employees: 7082 (estimated) No. of Female Employees: 1223 (estimated)

 Safety Information

Symbol GHS05 GHS06
GHS05, GHS06
Signal Word Danger
Hazard Statements H302-H314-H331
Supplemental HS Contact with water liberates toxic gas., Reacts violently with water.
Precautionary Statements P261-P280-P303 + P361 + P353-P304 + P340 + P310-P305 + P351 + P338-P403 + P233
Target Organs Blood, Central nervous system, Liver
Personal Protective Equipment Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes C:Corrosive;
Risk Phrases R14;R20/22;R29;R35
Safety Phrases S26-S36/37/39-S45-S28-S27
RIDADR UN 1836 8/PG 1
WGK Germany 1
RTECS XM5150000
Packaging Group I
Hazard Class 8
HS Code 2812101000

 Synthetic Route

 Customs

HS Code 2812101000

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 Synonyms

sulfonylchloride
MFCD00011449
Thionyl chloride
Sulfurous oxychloride
Sulfinyl chloride
sulfurous dichloride
Thionyl chloride [UN1836] [Corrosive]
EINECS 231-748-8
SOCl2
Thionyl dichloride
Sulfur oxychloride
Sulfinyl dichloride