2949-92-0

Name S-Methyl methanethiolsulfonate
CAS 2949-92-0
EINECS(EC#) 220-970-0
Molecular Formula C2H6O2S2
MDL Number MFCD00007565
Molecular Weight 126.2
MOL File 2949-92-0.mol
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Chemical Properties

Appearance Light Yellow Liquid
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.)
Fp  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
Usage Used for the rapid and selective modification of sulfhydryl groups of enzymes. Useful for mapping the pore-lining regions of the ryanodine receptor.
BRN  1446059
Stability: Water Sensitive
Major Application cleaning products
cosmetics
flavors and fragrances
food and beverages
personal care
InChI 1S/C2H6O2S2/c1-5-6(2,3)4/h1-2H3
InChIKey XYONNSVDNIRXKZ-UHFFFAOYSA-N
SMILES CSS(C)(=O)=O
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 2949-92-0(EPA Substance)
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Safety Data

Symbol(GHS)  Skull and Crossbones (GHS06)Exclamation Mark (GHS07)
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
Risk Statements 
R36:Irritating to the eyes.
R36/37/38:Irritating to eyes, respiratory system and skin .
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
RIDADR  3334
WGK Germany  2
RTECS  PB2765000
F  13
TSCA  TSCA listed
HazardClass  IRRITANT
PackingGroup  III
HS Code  29309090
Storage Class 10 - Combustible liquids
Toxicity
mouse,LD50,intraperitoneal,9110ug/kg (9.11mg/kg),Toxicology and Applied Pharmacology. Vol. 72, Pg. 513, 1984.

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