503-40-2

Name Methanedisulphonic acid
CAS 503-40-2
EINECS(EC#) 207-966-4
Molecular Formula CH4O6S2
MDL Number MFCD00041888
Molecular Weight 176.17
MOL File 503-40-2.mol
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Chemical Properties

Melting point  96-100°
Boiling point  263℃ at 101.3kPa
density  1.6517 (rough estimate)
vapor pressure  0Pa at 25℃
refractive index  1.5300 (estimate)
storage temp.  Hygroscopic, -20°C Freezer, Under inert atmosphere
solubility  DMSO (Sparingly, Heated), Methanol (Slightly)
form  Solid
pka -0.71±0.50(Predicted)
color  White to Off-White
PH -0.96 at 23.9℃ and 1g/L
Water Solubility  2458g/L(25 ºC)
Stability: Hygroscopic
LogP -1.49 at 25℃ and pH1
Dissociation constant -0.17 at 25℃
EPA Substance Registry System Methanedisulfonic acid(503-40-2)

Safety Data

TSCA  TSCA listed
REACH Registrations Active

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