| Identification | Back Directory | [Name]
Methanedisulphonic acid | [CAS]
503-40-2 | [Synonyms]
Methionicacid
Disulfomethane
METHANEDISULFONIC ACID
Methanedisulphonic acid
methylenedisufonic acid
methylenedisulfonic acid
METHANE DISULFONIC ACID PYRIDINIUM SALT | [EINECS(EC#)]
207-966-4 | [Molecular Formula]
CH4O6S2 | [MDL Number]
MFCD00041888 | [MOL File]
503-40-2.mol | [Molecular Weight]
176.17 |
| Chemical Properties | Back Directory | [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) |
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