Lactic acid

CAS Registry Number®

50-21-5
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CAS Name

Lactic acid

Molecular Formula

C3H6O3

Molecular Mass

90.08

Cite this Page

Lactic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=598-82-3 (retrieved 2024-04-24) (CAS RN: 50-21-5).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    122 °C @ Press: 14-15 Torr
  • Melting Point (1)

    16.8 °C
  • Density (1)

    1.249 g/cm³ @ Temp: 15 °C

Source(s)

  • (1) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)

Other Names and Identifiers

InChI

InChI=1S/C3H6O3/c1-2(4)3(5)6/h2,4H,1H3,(H,5,6)

InChIKey

InChIKey=JVTAAEKCZFNVCJ-UHFFFAOYSA-N

SMILES

C(C(O)=O)(C)O

Canonical SMILES

O=C(O)C(O)C

Other Names for this Substance

  • Propanoic acid, 2-hydroxy-
  • Lactic acid
  • 2-Hydroxypropanoic acid
  • α-Hydroxypropionic acid
  • 2-Hydroxypropionic acid

Deleted or Replaced CAS Registry Numbers

152-36-3, 598-82-3, 1334714-39-4

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