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Substance Name: Lactic acid [USP:JAN]
RN: 50-21-5
UNII: 3B8D35Y7S4
InChIKey: JVTAAEKCZFNVCJ-UHFFFAOYSA-N
Note
- A normal intermediate in the fermentation (oxidation, metabolism) of sugar. The concentrated form is used internally to prevent gastrointestinal fermentation. (From Stedman, 26th ed).
Molecular Formula
- C3-H6-O3
Molecular Weight
- 90.0774
- All
- Classifications
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- Names & Synonyms
- Registry Numbers
- Structure Descriptors
- Toxicity
- Physical Properties
Classification Codes
- Agricultural Chemical
- Growth Regulator / Fertilizer
- Mutation Data
- Pharmaceutic Necessity for Sodium Lactate (Injection)
- Plant Growth Regulator
- Skin / Eye Irritant
- Tumor Data
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Names and Synonyms
Name of Substance
- 2-Hydroxypropanoic acid
- 2-Hydroxypropionic acid
- DL-Lactic acid
- Lactic acid [USP:JAN]
- Lactic acid, dl-
- Propanoic acid, 2-hydroxy-
MeSH Heading
- Lactic acid
Synonyms
- (RS)-2-Hydroxypropionsaeure
- 1-Hydroxyethanecarboxylic acid
- 2-Hydroxypropanoic acid
- 2-Hydroxypropionic acid
- Acidum lacticum
- Aethylidenmilchsaeure
- AI3-03130
- alpha-Hydroxypropionic acid
- BRN 5238667
- CCRIS 2951
- Cheongin haejanghwan
- Cheongin haewoohwan
- Cheongin samrakhan
- DL-Lactic acid
- DL-Milchsaeure
- EC 200-018-0
- EINECS 200-018-0
- EINECS 209-954-4
- EPA Pesticide Chemical Code 128929
- Ethylidenelactic acid
- FEMA No. 2611
- FEMA Number 2611
- HSDB 800
- Kyselina 2-hydroxypropanova
- Kyselina 2-hydroxypropanova [Czech]
- Kyselina mlecna
- Kyselina mlecna [Czech]
- Lactate
- Lactic acid
- Lactic acid (natural)
- Lactic acid USP
- Lacticum acidum
- Lactovagan
- Milchsaeure
- Milchsaure [German]
- Milk acid
- NSC 367919
- Ordinary lactic acid
- Propanoic acid, 2-hydroxy-
- Propel
- Propionic acid, 2-hydroxy-
- Racemic lactic acid
- SY-83
- Tonsillosan
- UNII-3B8D35Y7S4
Systematic Names
- Lactic acid
- Propanoic acid, 2-hydroxy-
Superlist Names
- (+-)-2-Hydroxypropanoic acid
- DL-Lactic acid
- Lactic acid
Registry Numbers
CAS Registry Number
- 50-21-5
FDA UNII
- 3B8D35Y7S4
Other Registry Numbers
- 1334714-39-4
- 152-36-3
- 598-82-3
System Generated Number
- 0000050215
Structure Descriptors
InChI
InChI=1S/C3H6O3/c1-2(4)3(5)6/h2,4H,1H3,(H,5,6)InChIKey
JVTAAEKCZFNVCJ-UHFFFAOYSA-NSmiles
CC(O)Toxicity
Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
---|---|---|---|---|---|
guinea pig | LD50 | oral | 1810mg/kg (1810mg/kg) | Journal of Industrial Hygiene and Toxicology. Vol. 23, Pg. 259, 1941. | |
mouse | LD50 | oral | 4875mg/kg (4875mg/kg) | FAO Nutrition Meetings Report Series. Vol. 40, Pg. 144, 1967. | |
quail | LD50 | oral | > 2250mg/kg (2250mg/kg) | Farm Chemicals Handbook. Vol. -, Pg. C252, 1991. | |
rabbit | LD50 | skin | > 2gm/kg (2000mg/kg) | Farm Chemicals Handbook. Vol. -, Pg. C252, 1991. | |
rabbit | LDLo | oral | 5gm/kg (5000mg/kg) | Industrial and Engineering Chemistry. Vol. 15, Pg. 628, 1923. | |
rabbit | LDLo | rectal | 600mg/kg (600mg/kg) | Comptes Rendus des Seances de la Societe de Biologie et de Ses Filiales. Vol. 83, Pg. 136, 1920. | |
rat | LD50 | oral | 3543mg/kg (3543mg/kg) | Farm Chemicals Handbook. Vol. -, Pg. C252, 1991. |
Physical Properties
Physical Property | Value | Units | Temp (deg C) | Source |
---|---|---|---|---|
Melting Point | 16.8 | deg C | EXP | |
pKa Dissociation Constant | 3.86 | (none) | 20 | EXP |
log P (octanol-water) | -0.72 | (none) | EXP | |
Water Solubility | 1.00E+06 | mg/L | EXP | |
Vapor Pressure | 0.0813 | mm Hg | 25 | EXP |
Henry's Law Constant | 1.13E-07 | atm-m3/mole | 25 | EST |
Atmospheric OH Rate Constant | 5.92E-12 | cm3/molecule-sec | 25 | EST |
Physical property data is provided to ChemIDplus by SRC, Inc.