Lactic acid

C₃H₆O₃CAS 50-21-590.08 g/mol

Open in Covalent MOL file

Alcohol Carboxylic acid

Properties

Molecular formula: C₃H₆O₃
Molar mass: 90.08 g/mol
Exact mass: 90.0317 Da
Density: 1.249 g/mL (at 15 °C)
Melting point: 16.8 °C
Boiling point: 122 °C (at NaN Torr)
pKa: 3.86 (20 °C)
Flash point: 110 °C (closed cup)
Water solubility: miscible
logP: -0.55Crippen estimate
Polar surface area: 57.5 Å²
H-bond donors / acceptors: 2 / 2
Rotatable bonds: 1

Hazards

Danger

H314 Causes severe skin burns and eye damage11.8% of notifiers
H315 Causes skin irritation87.5% of notifiers
H318 Causes serious eye damage91.9% of notifiers

Aggregated from 2,808 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.

Precautionary statements

P260, P264, P264+P265, P280, P301+P330+P331, P302+P352, P302+P361+P354, P304+P340, P305+P354+P338, P316, P317, P321, P332+P317, P362+P364, P363, P405, P501

Identifiers

CAS number

50-21-5

SMILES

CC(O)C(=O)O

InChIKey

JVTAAEKCZFNVCJ-UHFFFAOYSA-N

InChI

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

Weigh it out

Type any one amount. The others follow from the molar mass and density.

Names and synonyms

29 names · show all

Propanoic acid, 2-hydroxy-
2-Hydroxypropanoic acid
α-Hydroxypropionic acid
2-Hydroxypropionic acid
Milk acid
α-Hydroxypropanoic acid
Chem-cast
Biolac
DL-Lactic acid
Tonsillosan
(±)-Lactic acid
Purac FCC 88
2-Hydroxy-2-methylacetic acid
E 270
NSC 367919
Purac FCC 80
HiPure 88
Lurex
Purac HS 88
Purac HS 100
(RS)-2-Hydroxypropanoic acid
Kiwilustre
Musashino lactate 50F
Masashino Lactic acid 90F
Purac 55
Purac 60
Purac HS 50
rac-Lactic acid
Lactate

Work with Lactic acid

Predict the NMR spectrum1H and 13C shifts with multiplicities Make a solutionWhat to weigh for any molarity and volume Check drug-likenessLipinski, Veber and lead-likeness Isotope patternExact mass and the mass spectrum pattern

Similar compounds

Lactic acid598-82-3100 % similar L-Lactic acid79-33-4100 % similar Ammonium lactate515-98-085 % similar Antimony lactate58164-88-885 % similar Poly(lactic-co-glycolic acid)34346-01-565 % similar Methylmalonic acid516-05-252 % similar Isobutyric acid79-31-252 % similar (S)-2-Hydroxy-3-methylbutanoic acid17407-55-550 % similar

Tanimoto similarity of circular fingerprints over the whole catalogue. All similar compounds

Same formula

D-Lactic acid10326-41-7 Poly[(+)-lactic acid]106989-11-1 1,3,5-Trioxane110-88-3 Polylactic acid26100-51-6 (+)-Glyceraldehyde453-17-8 (-)-Glyceraldehyde497-09-6 3-Hydroxypropionic acid503-66-2 Glyceraldehyde56-82-6

Elsewhere

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