Ethylenesulfonic acid Structure

Ethylenesulfonic acid

Chemical Properties

Boiling point 125°C
Density  1.392
refractive index  1.4496
Flash point 159°C(lit.)
storage temp.  2-8°C, stored under nitrogen, away from moisture
pka -2.71±0.15(Predicted)
form  clear liquid
color  Light yellow to Brown
InChI InChI=1S/C2H4O3S/c1-2-6(3,4)5/h2H,1H2,(H,3,4,5)
InChIKey NLVXSWCKKBEXTG-UHFFFAOYSA-N
SMILES C(S(O)(=O)=O)=C
Indirect Additives used in Food Contact Substances VINYLSULFONIC ACID
FDA 21 CFR 176.170; 176.180
FDA UNII GJ6489R1WE

Safety

Symbol(GHS) Exclamation Mark (GHS07)
Signal wordWarning
Hazard statements H302-H319
Precautionary statements P305+P351+P338
RIDADR  UN 3265 8/PG II
HS Code  2904.10.5000
HazardClass  8
PackingGroup  II
NFPA 704:
0
3 0

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