Common Name(s)-propane-1,2-diol
Description(S)-Propane-1,2-diol, also known as (S)-1,2-propanediol or (S)-propylene glycol, belongs to the class of organic compounds known as 1,2-diols. These are polyols containing an alcohol group at two adjacent positions. (S)-Propane-1,2-diol is an extremely weak basic (essentially neutral) compound (based on its pKa). (S)-Propane-1,2-diol has been detected, but not quantified in, several different foods, such as common buckwheats, mustard spinach, sugar apples, black crowberries, and bayberries. This could make (S)-propane-1,2-diol a potential biomarker for the consumption of these foods. (S)-Propane-1,2-diol is a clear, colourless, viscous organic solvent and diluent used in pharmaceutical preparations.
Structure
Molecular FormulaC3H8O2
Average Mass76.09440
Monoisotopic Mass76.05243
IUPAC Name(2S)-propane-1,2-diol
Traditional Name(s)-propane-1,2-diol
CAS Registry Number4254-15-3
SMILESC[C@H](O)CO
InChI IdentifierInChI=1S/C3H8O2/c1-3(5)2-4/h3-5H,2H2,1H3/t3-/m0/s1
InChI KeyDNIAPMSPPWPWGF-VKHMYHEASA-N
CHEBI IDCHEBI:29002
HMDB IDHMDB0006213
StateSolid
Water Solubility9.52e+02 g/l
logP-1.10
logS1.10
pKa (Strongest Acidic)14.47
pKa (Strongest Basic)-2.86
Hydrogen Acceptor Count2
Hydrogen Donor Count2
Polar Surface Area40.46 Ų
Rotatable Bond Count1
Physiological Charge0
Formal Charge0
Refractivity18.97 m³·mol⁻¹
Polarizability8.01

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