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421-20-5

Name METHYL FLUOROSULFONATE
CAS 421-20-5
EINECS(EC#) 207-004-3
Molecular Formula CH3FO3S
MDL Number MFCD00014721
Molecular Weight 114.1
MOL File 421-20-5.mol

Chemical Properties

Appearance Colorless liquid; ethereal odor.
Melting point  -95°
Boiling point  93 °C
density  1.45
refractive index  nD20 1.3326
Fp  10℃
form  liquid
Merck  6075
CAS DataBase Reference 421-20-5(CAS DataBase Reference)
EPA Substance Registry System Fluorosulfuric acid, methyl ester (421-20-5)

Safety Data

Hazard Codes  C
Risk Statements 
R34:Causes burns.
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  3265
RTECS  LP0720000
Hazard Note  Corrosive
Hazardous Substances Data 421-20-5(Hazardous Substances Data)
Toxicity
LD50 orally in mice: <112 mg/kg; LC50 1 hr for rats: 5-6 ppm (Hite)

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