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Substance Name: 2-Mercaptopropanoic acid
RN: 79-42-5
UNII: O5U6967KGF
InChIKey: PMNLUUOXGOOLSP-UHFFFAOYSA-N

Molecular Formula

  • C3-H6-O2-S

Molecular Weight

  • 106.1444
 
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Names and Synonyms

Name of Substance

  • 2-Mercaptopropanoic acid
  • 2-Mercaptopropionic acid
  • Propanoic acid, 2-mercapto-
  • Thiolactic acid

Synonyms

  • 2-Mercaptopropanoic acid
  • 2-Mercaptopropionic acid
  • 2-Thiolactic acid
  • 2-Thiolpropionic acid
  • 4-03-00-00682 (Beilstein Handbook Reference)
  • alpha-Mercaptopropanoic acid
  • alpha-Mercaptopropionic acid
  • BRN 0506218
  • EINECS 201-206-5
  • FEMA No. 3180
  • Propanoic acid, 2-mercapto-
  • Propionic acid, 2-mercapto-
  • Thiolactic acid
  • UNII-O5U6967KGF

Systematic Names

  • 2-Mercaptopropanoic acid
  • 2-Mercaptopropionic acid
  • Propanoic acid, 2-mercapto-
  • Propionic acid, 2-mercapto-

Superlist Names

  • 2-Mercaptopropionic acid
  • 2-Thiolactic acid
  • Thiolactic acid [UN2936] [Poison]
  • UN2936

Registry Numbers

CAS Registry Number

  • 79-42-5

FDA UNII

  • O5U6967KGF

Other Registry Numbers

  • 2018279-93-9
  • 71563-86-5

Related Registry Numbers

  • 13419-67-5 (mono-ammonium salt)
  • 35440-77-8 (strontium[2:1] salt)

System Generated Number

  • 0000079425

Structure Descriptors

InChI

InChI=1S/C3H6O2S/c1-2(6)3(4)5/h2,6H,1H3,(H,4,5)

InChIKey

PMNLUUOXGOOLSP-UHFFFAOYSA-N

Smiles

CC(S)C(=O)O

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rat LCLo inhalation 700ppm (700ppm)   Kodak Company Reports. Vol. 21MAY1971,

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 12 deg C   EXP
log P (octanol-water) 0.450 (none)   EST
Atmospheric OH Rate Constant 4.45E-11 cm3/molecule-sec 25 EST

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