ChemicalBook--->CAS DataBase List--->421-20-5

421-20-5

421-20-5 Structure

421-20-5 Structure
IdentificationMore
[Name]

METHYL FLUOROSULFONATE
[CAS]

421-20-5
[Synonyms]

FLUOROSULFONIC ACID METHYL ESTER
METHYL FLUOROSULFONATE
METHYL FLUOROSULPHONATE
fluorosulfuricacid,methylester
Fluorosulfuricacidmethylester
magicmethyl
methylfluorosulfate
methylfluosulfonate
methyl fluorosulphate
Methylfluorosulfonate,95%,stab.withKF
Methyl fluorosulphonate 97%
Methylfluorosulphonate97%
METHYL FLUOROSULPHONATE (STABILIZED WITH KF)
Methyl Fluorosulfonate (stabilized with KF) [for Esterification]
Fluoridosulfuric acid methyl ester
[EINECS(EC#)]

207-004-3
[Molecular Formula]

CH3FO3S
[MDL Number]

MFCD00014721
[Molecular Weight]

114.1
[MOL File]

421-20-5.mol
Chemical PropertiesBack Directory
[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 DataBack Directory
[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)
Hazard InformationBack Directory
[Hazard]

Toxic. Strong irritant to tissue, inhalationof fume must be avoided. Reacts with water, steam,and acids, evolving corrosive vapor.
[Chemical Properties]

Colorless liquid; ethereal odor.
[Uses]

In organic synthesis as methylating agent.
Well-known Reagent Company Product InformationBack Directory
[Alfa Aesar]

Methyl fluorosulfonate, 95%, stab. with KF(421-20-5)
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Tags:421-20-5 Related Product Information
7789-21-1 421-20-5 75-93-4 358-23-6 425-75-2