Product Name

  • Name

    3-Mercapto-2-pentanone

  • EINECS 266-799-5
  • CAS No. 67633-97-0
  • Article Data5
  • CAS DataBase
  • Density 0.964 g/cm3
  • Solubility
  • Melting Point
  • Formula C5H10OS
  • Boiling Point 157.5 °C at 760 mmHg
  • Molecular Weight 118.2
  • Flash Point 49.1 °C
  • Transport Information
  • Appearance Colorless liquid
  • Safety 16-26-36/37/39
  • Risk Codes 10-36/37/38
  • Molecular Structure Molecular Structure of 67633-97-0 (3-Mercapto-2-pentanone)
  • Hazard Symbols Xn
  • Synonyms 3-Mercapto-2-pentanone;
  • PSA 55.87000
  • LogP 1.28380

3-Mercapto-2-pentanone Chemical Properties


Molecular Formula: C5H10OS
Molecular Weight: 118.2g/mol
Mol File: 67633-97-0.mol
EINECS: 266-799-5
Boiling point: 157.5 °C at 760 mmHg
Flash Point: 49.1 °C
Density: 0.964 g/cm3
Surface Tension: 29.3 dyne/cm
Enthalpy of Vaporization: 39.42 kJ/mol
Vapour Pressure: 2.74 mmHg at 25 °C 
XLogP3-AA: 1.2
H-Bond Donor: 0
H-Bond Acceptor: 1
Structure Descriptors of 2-Pentanone,3-mercapto- (CAS NO.67633-97-0):
IUPAC Name: (3R)-3-Sulfanylpentan-2-one 
Canonical SMILES: CCC(C(=O)C)S
Isomeric SMILES: CC[C@H](C(=O)C)S
InChI: InChI=1S/C5H10OS/c1-3-5(7)4(2)6/h5,7H,3H2,1-2H3/t5-/m1/s1  
InChIKey: SZECUQRKLXRGSJ-RXMQYKEDSA-N
Product Categories: Pharmaceutical Raw Materials; ACETYLGROUP; thiol Flavor

3-Mercapto-2-pentanone Safety Profile

Safety Information of 2-Pentanone,3-mercapto- (CAS NO.67633-97-0):
Risk Statements: 10-36/37/38  
R10:Flammable. 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 16-26-36/37/39
S16:Keep away from sources of ignition. 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
RIDADR: 1224
HazardClass: 3
PackingGroup: III

3-Mercapto-2-pentanone Specification

 2-Pentanone,3-mercapto- , its CAS NO. is 67633-97-0, the synonyms are 3-Mercapto-2-pentanone ; 3-Mercaptopentan-2-one ; 2-Pentanone, 3-mercapto- (7CI,9CI) .

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