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Methanedisulphonic acid

Methanedisulphonic acid Structure
CAS No.
503-40-2
Chemical Name:
Methanedisulphonic acid
Synonyms
METHANEDISULFONIC ACID;Methionicacid;Methane disuL;Disulfomethane;Methanedisulphonicaci;Methanedisulphonic acid;methylenedisufonic acid;methylenedisulfonic acid;Methanedisulphonic acid solution;TIANFU CHEM-- Methanedisulphonic acid
CBNumber:
CB9742754
Molecular Formula:
CH4O6S2
Molecular Weight:
176.17
MOL File:
503-40-2.mol
MSDS File:
SDS
Modify Date:
2024/5/18 8:51:57

Methanedisulphonic acid 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

Risk and Safety Statements

Symbol(GHS) 
GHS05
Signal word  Danger
Hazard statements  H314
Precautionary statements  P260-P264-P280-P301+P330+P331-P303+P361+P353-P363-P304+P340-P310-P321-P305+P351+P338-P405-P501

Methanedisulphonic acid Chemical Properties,Uses,Production

Uses

Methane disulfonic acid is used in esterification.

Methanedisulphonic acid Preparation Products And Raw materials

Raw materials

Preparation Products

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Methanedisulphonic acid methylenedisulfonic acid methylenedisufonic acid Disulfomethane METHANE DISULFONIC ACID PYRIDINIUM SALT Methane disuL Methane Disulfonic Acid Aqenous (15% / 50% ) Methanedisulphonicaci TIANFU CHEM-- Methanedisulphonic acid Methionicacid METHANEDISULFONIC ACID Methanedisulphonic acid solution 503-40-2 CH4O6S2 CH2SO3H2