s-methyl methanethiosulfonate , ≥97.0%(GC), containing 5%-10%CH2CL2 and HAC as a stabilizer , 2949-92-0

Synonym(s):
S-Methyl thiomethanesulfonate;MMTS

CAS NO.：2949-92-0

Empirical Formula: C2H6O2S2

Molecular Weight: 126.2

MDL number: MFCD00007565

EINECS: 220-970-0

PRODUCT Properties

• Melting point: 117.0-119.0 °C
• Boiling point: 69-71 °C0.4 mm Hg(lit.)
• Density: 1.337 g/mL at 25 °C(lit.)
• refractive index: n20/D 1.513(lit.)
• Flash point: 190 °F
• storage temp.: 2-8°C
• solubility: chloroform: soluble750mg + 5 ml Chloroformmg/mL, colorless to light greenish-yellow
• form: clear liquid
• color: Colorless to Red to Green
• Odor: at 0.10 % in propylene glycol. sulfurous pungent roasted
• Odor Type: sulfurous
• BRN: 1446059
• Stability: Water Sensitive
• InChIKey: XYONNSVDNIRXKZ-UHFFFAOYSA-N
• LogP: 0.247 (est)
• CAS DataBase Reference: 2949-92-0(CAS DataBase Reference)
• NIST Chemistry Reference: S-methyl methanethiosulphonate(2949-92-0)
• EPA Substance Registry System: Methanesulfonothioic acid, S-methyl ester (2949-92-0)

Description and Uses

S-Methyl methanethiosulfonate was used as sulfenylating agent for β-keto sulfoxides, methylene compounds, half-esters of malonic acids and aryl Grignard reagents. It was also used as a reagent to trap the natural thiol-disulfide state of the proteins.

Safety

• Symbol(GHS): GHS06,GHS07
• Signal word: Danger
• Hazard statements: H227-H301+H311+H331-H315-H319
• Precautionary statements: P210-P261-P264-P270-P271-P280-P301+P310+P330-P302+P352+P312+P361+P364-P304+P340+P311-P305+P351+P338+P337+P313-P403+P233-P405-P501
• Hazard Codes: Xi,Xn
• Risk Statements: 36-36/37/38-20/21/22
• Safety Statements: 26-36/37/39
• RIDADR: 3334
• WGK Germany: 2
• RTECS: PB2765000
• F: 13
• HazardClass: IRRITANT
• PackingGroup: III
• HS Code: 29309090
• Toxicity: mouse,LD50,intraperitoneal,9110ug/kg (9.11mg/kg),Toxicology and Applied Pharmacology. Vol. 72, Pg. 513, 1984.