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Thionyl chloride Structure

Thionyl chloride

Chemical 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
Stability Reacts violently with water. Incompatible with most common metals, strong reducing agents, strong bases, alcohols, amines.
CAS DataBase Reference 7719-09-7(CAS DataBase Reference)
EWG's Food Scores 2
NIST Chemistry Reference Thionyl chloride(7719-09-7)
EPA Substance Registry System Thionyl chloride (7719-09-7)


Signal wordDanger
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
WGK Germany  1
RTECS  XM5150000
HazardClass  8
PackingGroup  I
HS Code  28121095
Hazardous Substances Data 7719-09-7(Hazardous Substances Data)
NFPA 704:
4 2

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