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Substance Name: Methanesulfonic acid
RN: 75-75-2
UNII: 12EH9M7279
InChIKey: AFVFQIVMOAPDHO-UHFFFAOYSA-N

Classification Codes

  • Agricultural Chemical
  • Insect Attractant, Repellent and Chemosterilant
  • Mutation Data

Molecular Formula

  • C-H4-O3-S

Molecular Weight

  • 96.1056
 
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Names and Synonyms

Results Name

  • Methanesulfonic acid

Name of Substance

  • Methanesulfonic acid

Synonyms

  • 4-04-00-00010 (Beilstein Handbook Reference)
  • AI3-28532
  • BRN 1446024
  • CCRIS 2783
  • EC 200-898-6
  • EINECS 200-898-6
  • HSDB 5004
  • Kyselina methansulfonova
  • Kyselina methansulfonova [Czech]
  • Methylsulfonic acid
  • MSA
  • NSC 3718
  • UNII-12EH9M7279

Systematic Names

  • Methanesulfonic acid
  • Methanesulphonic acid

Superlist Name

  • Methanesulfonic acid

Registry Numbers

CAS Registry Number

  • 75-75-2

FDA UNII

  • 12EH9M7279

Other Registry Numbers

  • 1129867-34-0
  • 115449-98-4
  • 125756-91-4
  • 44209-64-5
  • 44209-72-5
  • 62203-24-1
  • 87128-90-3
  • 98527-29-8

Related Registry Numbers

  • 22515-76-0 (ammonium salt)
  • 2386-52-9 (silver(1+) salt)
  • 2386-56-3 (potassium salt)
  • 2386-57-4 (hydrochloride salt)
  • 54253-62-2 (copper(2+) salt)
  • 56525-23-6 (iron(2+) salt)

System Generated Number

  • 0000075752

Structure Descriptors

InChI

1S/CH4O3S/c1-5(2,3)4/h1H3,(H,2,3,4)

InChIKey

AFVFQIVMOAPDHO-UHFFFAOYSA-N

Smiles

S(=O)(=O)(C)O

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
guinea pig LD50 skin > 2gm/kg (2000mg/kg)   Kodak Company Reports. Vol. 21MAY1971,
quail LD50 oral 1gm/kg (1000mg/kg)   Journal of Reproduction and Fertility. Vol. 48, Pg. 371, 1976.
rat LC inhalation > 330ppm/6H (330ppm)   Kodak Company Reports. Vol. 21MAY1971,
rat LD50 oral 200mg/kg (200mg/kg)   Kodak Company Reports. Vol. 21MAY1971,

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 20 deg C   EXP
pKa Dissociation Constant -1.86E+00 (none) 25 EXP
log P (octanol-water) -2.380 (none)   EST
Water Solubility 1.00E+06 mg/L 20 EXP
Henry's Law Constant 1.26E-08 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 2.76E-13 cm3/molecule-sec 25 EST

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