Methyl methanethiosulfonate

甲基硫代磺酸甲酯

Also known as: S-Methyl methanethiolsulfonate, S-Methyl methanesulfonothioate, Methanesulfonothioic acid, S-methyl ester, Methanethiosulfonic acid, S-methyl ester, dimethyl thiosulfonate, methyl methanethiosulphonate, NSC 21545, MFCD00007565

CAS No.
2949-92-0
Jingsj CID
J-30721-3
Molecular Formula
C2H6O2S2
Chinese Name
甲基硫代磺酸甲酯
Molecular Weight
126.198 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point266.9±9.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point87.8±0.0 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of Methyl methanethiosulfonate?

2949-92-0

What are the molecular formula and molecular weight of Methyl methanethiosulfonate?

C2H6O2S2, molecular weight 126.198 g/mol

Is Methyl methanethiosulfonate hazardous?

Warning

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026