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Substance Name: Methyl fluorosulfonate
RN: 421-20-5
UNII: N015VFJ94Z
InChIKey: MBXNQZHITVCSLJ-UHFFFAOYSA-N

Note

  • Methylating agent, very toxic; HF & sulfuric acid generated when in contact with water.

Classification Codes

  • Mutation Data
  • Skin / Eye Irritant

Molecular Formula

  • C-H3-F-O3-S

Molecular Weight

  • 114.0957
 
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Names and Synonyms

Name of Substance

  • Methyl fluorosulfate
  • Methyl fluorosulfonate

Synonyms

  • 4-01-00-01251 (Beilstein Handbook Reference)
  • BRN 1098714
  • CCRIS 1135
  • EINECS 207-004-3
  • Fluorosulfuric acid, methyl ester
  • HSDB 4375
  • Magic methyl
  • Methyl fluorosulfate
  • Methyl fluorosulfonate
  • Methyl fluosulfonate
  • UNII-N015VFJ94Z

Systematic Names

  • Fluorosulfuric acid, methyl ester
  • Methyl fluorosulfonate
  • Methyl fluorosulphate

Superlist Name

  • Methyl fluorosulfate

Registry Numbers

CAS Registry Number

  • 421-20-5

FDA UNII

  • N015VFJ94Z

System Generated Number

  • 0000421205

Structure Descriptors

InChI

1S/CH3FO3S/c1-5-6(2,3)4/h1H3

InChIKey

MBXNQZHITVCSLJ-UHFFFAOYSA-N

Smiles

COS(=O)(=O)F

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 oral 112mg/kg (112mg/kg)   American Industrial Hygiene Association Journal. Vol. 40, Pg. 600, 1979.
rabbit LDLo skin 455mg/kg (455mg/kg) SKIN AND APPENDAGES (SKIN): CORROSIVE: AFTER TOPICAL EXPOSURE American Industrial Hygiene Association Journal. Vol. 40, Pg. 600, 1979.
rat LC50 inhalation 5ppm/1H (5ppm) BEHAVIORAL: CHANGES IN MOTOR ACTIVITY (SPECIFIC ASSAY)

SENSE ORGANS AND SPECIAL SENSES: LACRIMATION: EYE

LUNGS, THORAX, OR RESPIRATION: DYSPNEA
American Industrial Hygiene Association Journal. Vol. 40, Pg. 600, 1979.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point -9.50E+01 deg C   EXP
Boiling Point 93 deg C   EXP
log P (octanol-water) 1.410 (none)   EST
Atmospheric OH Rate Constant 9.52E-14 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.