Home Categories Inorganic chemistry Thionyl chloride
A7726112

Thionyl chloride , 99.5% , 7719-09-7

Synonym(s):
Sulfurous acid dichloride, Sulfurous oxychloride;Thionyl chloride

CAS NO.:7719-09-7

Empirical Formula: Cl2OS

Molecular Weight: 118.97

MDL number: MFCD00011449

EINECS: 231-748-8

Update time: 2022-07-08

PRODUCT Properties

Melting point: -105 °C
Boiling point: 79 °C(lit.)
Density  1.64 g/mL at 20 °C
vapor density  4.1 (vs air)
vapor pressure  97 mm Hg ( 20 °C)
refractive index  n20/D 1.518(lit.)
Flash point: 105°C
storage temp.  Store at RT.
solubility  Miscible with toluene, chloroform, benzene, carbon tetrachloride and diethyl ether.
form  Liquid
color  ≤50(APHA)
Odor Characteristic, pungent odor
Water Solubility  REACTS
Sensitive  Moisture Sensitive
Merck  14,9348
Exposure limits ACGIH: TWA 50 ppm
OSHA: TWA 25 ppm; STEL 125 ppm
NIOSH: IDLH 2300 ppm
Dielectric constant 9.1(22℃)
Stability: Reacts violently with water. Incompatible with most common metals, strong reducing agents, strong bases, alcohols, amines.

Description and Uses

Thionyl chloride (SOCl2) is used as a chlorinating agent in manufacturing organic compounds. It is also used as a solvent in high-energy lithium batteries.

Safety

Symbol(GHS) 
GHS05,GHS06
Signal word  Danger
Hazard statements  H302-H314-H331-H335
Precautionary statements  P261-P280-P301+P312-P303+P361+P353-P304+P340+P310-P305+P351+P338
Hazard Codes  C
Risk Statements  14-20/22-29-35-40-34-20/21/22
Safety Statements  26-36/37/39-45-28-27
RIDADR  UN 1836 8/PG 1
OEL Ceiling: 1 ppm (5 mg/m3)
WGK Germany  1
RTECS  XM5150000
19
TSCA  Yes
HazardClass  8
PackingGroup  I
HS Code  28121095

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