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Lactic acid

SIGMA/L6661 - meets USP testing specifications

Synonym: DL-Lactic acid; 2-Hydroxypropionic acid

CAS Number: 50-21-5
Empirical Formula (Hill Notation): C3H6O3
Molecular Weight: 90.08
EC Number: 200-018-0
MDL Number: MFCD00004520
Linear Formula: CH3CH(OH)COOH
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-L6661-100ML 100 mL
 $73.80
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45-L6661-500ML 500 mL
 $177.00
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agency meets USP testing specifications
  USP/NF
application(s) pharmaceutical (small molecule)
assay 88.0-92.0%
bp 122 °C/15 mmHg (lit.)
cation traces heavy metals: ≤0.001%
density 1.209 g/mL at 25 °C (lit.)
form viscous liquid
InChI 1S/C3H6O3/c1-2(4)3(5)6/h2,4H,1H3,(H,5,6)
InChI key JVTAAEKCZFNVCJ-UHFFFAOYSA-N
pH 2
Quality Level 200 
refractive index n20/D 1.425 (lit.)
SMILES string CC(O)C(O)=O
storage temp. room temp
Biochem/physiol Actions: In animals, lactic acid is a metabolic compound produced by proliferating cells and during anaerobic conditions such as strenuous exercise. Lactic acid can be oxidized back to pyruvate or converted to glucose via gluconeogenesis. Lactic acid is preferentially metabolized by neurons in several mammal species and during early brain development.
Other Notes: A concentrated solution of lactic acid is typically a mixture of lactic acid lactate and lactic acid. The concentration of this solution is approximately 90% (w/w).
Packaging: 100, 500 mL in poly bottle
Purity 88.0-92.0%
bp 122 °C/15 mmHg (lit.)
Density 1.209 g/mL at 25 °C (lit.)
Refractive Index n20/D 1.425 (lit.)
Storage Temp. room temp
UNSPSC 12352106

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