-
Name
[S,(+)]-2-Hydroxypropionaldehyde
- EINECS
- CAS No. 3913-64-2
- Article Data2
- CAS DataBase
- Density
- Solubility
- Melting Point
- Formula C3H6O2
- Boiling Point
- Molecular Weight 74.0794
- Flash Point
- Transport Information
- Appearance
- Safety
- Risk Codes
-
Molecular Structure
- Hazard Symbols
- Synonyms (+)-L-Lactaldehyde;(S)-2-Hydroxypropanal;[S,(+)]-2-Hydroxypropionaldehyde
- PSA 37.30000
- LogP -0.43390
(S)-lactaldehyde Specification
Lactaldehyde is an intermediate in the methylglyoxal metabolic pathway. Methylglyoxal is converted to D-lactaldehyde by glycerol dehydrogenase (gldA). Lactaldehyde is then oxidized to lactic acid by aldehyde dehydrogenase.
Lactaldehyde exists in several forms: in open-chain form and as cyclic hemiacetal; in solution and in crystal forms; as monomer and as dimer. In crystal form, three conformers occur as hemiacetal dimers with a 1,4-dioxane ring skeleton; In equilibrium solution, negligibly small amounts of the monomer and at least one five-membered ring dimer exist.
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