2-mercaptopropionic acid

Full Material List
2-sulfanylpropanoic acid

Identifiers

FEMA 3180
CAS 79-42-5
EINECS 201-206-5
Synonyms
  • 2- mercaptopropanoic acid
  • a- mercaptopropanoic acid
  • alpha- mercaptopropanoic acid
  • 2- mercaptopropionic acid
  • alpha- mercaptopropionic acid
  • 2- mercaptopropionicacid
  • propanoic acid, 2-mercapto-
  • propionic acid, 2-mercapto-
  • 2- sulfanylpropanoic acid
  • 2- thiol propionic acid
  • thiolactic acid
  • 2- thiolactic acid
  • 2- thiolpropionic acid
JECFA Food Flavoring 551
JECFA Food Additive N/A
DG SANTE Food Flavourings 12.039 2-mercaptopropionic acid
DG SANTE Food Contact Materials N/A
FDA UNII O5U6967KGF
CoE Number 11790
XlogP3-AA N/A
Molecular Weight 106.14422
Molecular Formula C3 H6 O2 S

Organoleptic

Organoleptic Notes
  • 1. Odor Type: sulfurous Odor Strength:very high
  • Substantivity:400 hour(s) at 100.00 %
  • meaty sulfurous roasted
  • Odor Description:at 0.01 % in propylene glycol. meaty sulfurous roasted
  • sulfurous meaty savory brown roasted
  • Odor Description:Sulfury, meaty savory, brown with roasted brown nuancesMosciano, Gerard P&F 17, No. 5, 127, (1992)
Odor sulfurous
meaty, sulfurous, roasted, savory, brown
Flavor meaty
meaty, sulfurous, brothy, brown,

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Suppliers

Vigon International

MERCAPTO-2 PROPIONIC ACID • 511772

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Properties

Food Chemicals Codex Listed No
Appearance colorless to pale yellow clear oily liquid (est)
Assay 96.00 to 100.00
Specific Gravity 1.19500 to 1.20400 @ 25.00 °C.
Lbs/Gal (est) 9.944 to 10.018
Refractive Index 1.47900 to 1.48400 @ 20.00 °C.
Melting Point 10.00 to 14.00 °C. @ 760.00 mm Hg
Boiling Point N/A
Flash Point 190.00 °F. TCC ( 87.78 °C. )
Acid Value N/A
Vapor Pressure 0.103000 mmHg @ 25.00 °C. (est)
Vapor Density 3.6 ( Air = 1 )
logP (o/w) 0.492 (est)
Soluble In
  • acetone
  • alcohol
  • water
  • water, 1.152e+005 mg/L @ 25 °C (est)
Occurrence
  • not found in nature