L6661
Lactic acid
meets USP testing specifications
Synonym(s):
DL-Lactic acid, 2-Hydroxypropionic acid
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About This Item
Linear Formula:
CH3CH(OH)COOH
CAS Number:
Molecular Weight:
90.08
UNSPSC Code:
12352106
NACRES:
NA.25
PubChem Substance ID:
EC Number:
200-018-0
Beilstein/REAXYS Number:
1209341
MDL number:
Assay:
88.0-92.0%
Form:
viscous liquid
Quality Level
agency
USP/NF, meets USP testing specifications
assay
88.0-92.0%
form
viscous liquid
refractive index
n20/D 1.425 (lit.)
pH
2
bp
122 °C/15 mmHg (lit.)
density
1.209 g/mL at 25 °C (lit.)
cation traces
heavy metals: ≤0.001%
application(s)
pharmaceutical (small molecule)
storage temp.
room temp
SMILES string
CC(O)C(O)=O
InChI
1S/C3H6O3/c1-2(4)3(5)6/h2,4H,1H3,(H,5,6)
InChI key
JVTAAEKCZFNVCJ-UHFFFAOYSA-N
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).
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signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1 - Skin Corr. 1C
supp_hazards
Storage Class
8A - Combustible corrosive hazardous materials
flash_point_f
235.4 °F - closed cup
flash_point_c
113 °C - closed cup
ppe
Eyeshields, Gloves, type ABEK (EN14387) respirator filter
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Conversion of biomass to 1, 2-propanediol by selective catalytic hydrogenation of lactic acid over silica-supported copper.
Cortright RD, et al.
Applied Catalysis. B, Environmental, 39(4), 353-359 (2002)
A literature review of poly (lactic acid).
Garlotta D.
Journal of Polymers and the Environment, 9(2), 63-84 (2001)
Kwon et al.
Enzyme and microbial technology, 26(2-4), 209-215 (2000-02-26)
Batch fermentation studies were performed to evaluate the potentials of a complex nitrogen source, soybean, as an alternative to yeast extract for the economical production of lactic acid by Lactobacillus rhamnosus. An enzyme-hydrolysate of soybean meal, Soytone, with an adequate