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Chlorosulfonic acid Structure

Chlorosulfonic acid

Product NameChlorosulfonic acid

CAS7790-94-5

CBNumberCB6270016

MFClHO3S

MW116.52

EINECS232-234-6

MDL NumberMFCD00011523

MOL File7790-94-5.mol

Chemical Properties

Melting point -80°C
Boiling point 151-152 °C/755 mmHg (lit.)
Density  1.753 g/mL at 25 °C (lit.)
vapor density  4 (vs air)
vapor pressure  1 mm Hg ( 25 °C)
refractive index  n20/D 1.433(lit.)
Flash point 158°C
storage temp.  Room Temperature, under inert atmosphere
solubility  Miscible with hydrocarbons.
form  Oily Liquid, Fuming In Air
pka -6.49±0.15(Predicted)
Specific Gravity 1.753
color  Yellow to brown
PH Range 1
Water Solubility  reacts
Sensitive  Moisture Sensitive
Merck  14,2165
Stability Stable, but reacts violently with water. In case of spills, mop up with sand - do not add water. Reacts with most metals to yield (flammable) hydrogen gas. Incompatible with strong bases, carbonates, water, combustible materials, strong oxidizing agents, most metals, organic materials, sulfides, cyanides, carbides.
CAS DataBase Reference 7790-94-5(CAS DataBase Reference)
EPA Substance Registry System Chlorosulfonic acid (7790-94-5)

Safety

Symbol(GHS)
Signal wordDanger
Hazard statements H314-H330-H335
Precautionary statements P260-P271-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338
Hazard Codes  C
Risk Statements  14-35-37
Safety Statements  26-45
RIDADR  UN 1754 8/PG 1
WGK Germany  1
RTECS  FX5730000
TSCA  Yes
HazardClass  8
PackingGroup  I
HS Code  28062000
Hazardous Substances Data 7790-94-5(Hazardous Substances Data)
NFPA 704:
0
4 2
OX

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Chlorosulfonic acid Chemical Properties,Usage,Production

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