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Substance Name: Methionic acid
RN: 503-40-2
UNII: 55N1VUX48W
InChIKey: OPUAWDUYWRUIIL-UHFFFAOYSA-N

Molecular Formula

  • C-H4-O6-S2

Molecular Weight

  • 176.169
 
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Names and Synonyms

Name of Substance

  • Methionic acid

Synonyms

  • EINECS 207-966-4
  • UNII-55N1VUX48W

Systematic Names

  • Methanedisulfonic acid
  • Methanedisulphonic acid

Registry Numbers

CAS Registry Number

  • 503-40-2

FDA UNII

  • 55N1VUX48W

System Generated Number

  • 0000503402

Structure Descriptors

InChI

1S/CH4O6S2/c2-8(3,4)1-9(5,6)7/h1H2,(H,2,3,4)(H,5,6,7)

InChIKey

OPUAWDUYWRUIIL-UHFFFAOYSA-N

Smiles

S(CS(O)(=O)=O)(O)(=O)=O

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 98 deg C   EXP
log P (octanol-water) -1.490 (none)   EST
Water Solubility 2.46E+06 mg/L 25 EXP
Vapor Pressure 1.65E-08 mm Hg 25 EST
Henry's Law Constant 2.15E-15 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 1.21E-12 cm3/molecule-sec 25 EST

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