Methanedisulphonic acid

CAS No.：503-40-2

Important Notice

This product is a chemical product/pharmaceutical intermediate. It is not a drug, an active pharmaceutical ingredient (API), or a pharmaceutical-grade material. It has not been granted a drug approval number or a Chemical Drug Substance Approval Notice, has not passed drug-related review and approval, and is not manufactured, tested, or released in accordance with pharmaceutical GMP.
This product is intended solely for non-clinical research, process development, quality studies, further chemical processing, or chemical synthesis. It must not be used in drug-product manufacturing, clinical trials, clinical diagnosis, or administration to humans or animals, or be sold, used as an input, submitted for regulatory filing, or released as an API or pharmaceutical material.
The purchaser must not use this product, or supply it to another party, for personal consumption, sports or fitness, weight loss, health supplements, food, or animal feed.

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Methanedisulphonic acid Basic information

Product Name:	Methanedisulphonic acid
Synonyms:	Methionicacid;METHANEDISULFONIC ACID;Methanedisulphonic acid;methylenedisulfonic acid;methylenedisufonic acid;Disulfomethane;METHANE DISULFONIC ACID PYRIDINIUM SALT;Methane disuL
CAS:	503-40-2
MF:	CH4O6S2
MW:	176.17
EINECS:	207-966-4
Product Categories:
Mol File:	503-40-2.mol

Methanedisulphonic acid 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 Information

MSDS Information

Methanedisulphonic acid Usage And Synthesis

Uses	Methane disulfonic acid is used in esterification.

Methanedisulphonic acid Preparation Products And Raw materials

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