CAS No. 79-33-4 (L(+)-Lactic acid )
Molecular Formula: C3H6O3Molecular Weight: 90.08
Identification of 79-33-4
- L(+)-Lactic acid (Related Reference)
- Molecular Formula:
- CAS Registry Number:
- (S)-(+)-2-Hydroxypropanoic acid; L(+)-Lactic acid solution; L-Lactic acid, free acid; lactate standard 40 mg/dl; L(+)lactic acid free acid sigmaultra; L-Lactic acid; (S)-2-Hydroxypropionic acid
- Molecular Structure:
- This structure is also available as a 2d Mol file
- crystalline solid
- Molecular Weight:
- Boiling Point:
- Melting Point:
- 52-54 oC
- Flash Point:
- 109.9 oC
- -13.5 o (C=2.5, 1.5N NAOH)
- Storage Temperature:
- Refractive index:
- 10 mg/mL, clear, colorless in water
Occurs in small quantities in the blood and muscle fluid of man and animals. The lactic acid concentration increases in muscle and blood after vigorous activity. L-(+)-Lactic acid is also present in liver, kidney, thymus gland, human amniotic fluid,
Safety Data of 79-33-4
- Risk Codes:
- Safety Statements:
- Hazard Symbols:
- MSDS infomation:
- L(+)-Lactic acid (79-33-4).msds
- 1.Science Lab www.sciencelab.com/msds.php?msdsId=9924446:
- 2.Abbey www.abbey-chemicals.co.uk/MSDS/Lactic-Acid-MSDS.pdf:
- 3.Sigma-Aldrich www.sigmaaldrich.com:
Related Products Information
References of L(+)-Lactic acid cas 79-33-4
||Reported Dose (Normalized Dose)
||Toxicology. Vol. 62, Pg. 203, 1990.
Hazard Codes?of L-(+)-Lactic acid (CAS NO.79-33-4):?Xi,?C
Risk Statements: 38-41-34-36/37/38?
R38:Irritating to skin.?
R41:Risk of serious damage to the eyes.?
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-39-45-36/37/39-36?
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.?
S36:Wear suitable protective clothing.
WGK Germany: 1
Moderately toxic by intraperitoneal route. A combustible liquid. When heated to decomposition it emits acrid smoke and irritating vapors.