Lactic acid cas no:50-21-5
Synonyms: DL-Milchsaeure;Propanoic acid, 2-hydroxy-;2-Hydroxy-2-methylacetic acid;Aethylidenmilchsaeure;Purac FCC 88;2-Hydroxypropionic acid;Tonsillosan;Racemic lactic acid;Milk acid;alpha-Hydroxypropanoic acid;FEMA No. 2611;Chem-Cast;Lactovagan;Lactate (TN);2-hydroxypropanoic acid;(RS)-2-Hydroxypropionsaeure;Propanoic acid, 2-hydroxy- (9CI);(+-)-2-Hydroxypropanoic acid;Fermentationlactic acid Propanoic acid,2-hydroxy-;SY-83;Ordinary lactic acid;Biolac;Acidum lacticum;Lactic acid (7CI,8CI);alpha-hydroxypropionic acid;Milchsaeure;1-Hydroxyethanecarboxylic acid;
NameLactic acid
CAS50-21-5
SynonymsDL-Milchsaeure;Propanoic acid, 2-hydroxy-;2-Hydroxy-2-methylacetic acid;Aethylidenmilchsaeure;Purac FCC 88;2-Hydroxypropionic acid;Tonsillosan;Racemic lactic acid;Milk acid;alpha-Hydroxypropanoic acid;FEMA No. 2611;Chem-Cast;Lactovagan;Lactate (TN);2-hydroxypropanoic acid;(RS)-2-Hydroxypropionsaeure;Propanoic acid, 2-hydroxy- (9CI);(+-)-2-Hydroxypropanoic acid;Fermentationlactic acid Propanoic acid,2-hydroxy-;SY-83;Ordinary lactic acid;Biolac;Acidum lacticum;Lactic acid (7CI,8CI);alpha-hydroxypropionic acid;Milchsaeure;1-Hydroxyethanecarboxylic acid;
EINECS(EC#)200-018-0
Molecular FormulaC3H6O3
Molecular Weight90.09
Appearancecolourless to yellow liquid
alpha-0.05 o (C= NEAT 25 oC)
refractive index1.4252-1.4272
storage temp2-8°C
Globally Harmonized System of Classification adn Labelling of Chemicals(GHS)
Hazardclass8
Hazard Xi: Irritant;C: Corrosive;
Risk R34;R38;R41
Safety
Hazard Codes:?
Xi,
C
Risk Statements: 38-41-34?
R38: Irritating to skin.?
R41: Risk of serious damage to the eyes.?
R34: Causes burns.
Safety Statements: 26-39-45-36/37/39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.?
S39: Wear eye / face protection.?
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)?
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection.
RIDADR: 3265
WGK Germany: 2
RTECS: OD2800000
F: 3
HazardClass: 8
PackingGroup: III
Moderately toxic by ingestion and rectal routes. Mutation data reported. A severe skin and eye irritant. Mixtures with nitric acid + hydrofluoric acid may react vigorously and are storage hazards. When heated to decomposition it emits acrid smoke and irritating fumes.
| 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. |
