79-33-4

Name L(+)-Lactic acid
CAS 79-33-4
EINECS(EC#) 201-196-2
Molecular Formula C3H6O3
MDL Number MFCD00064266
Molecular Weight 90.08
MOL File 79-33-4.mol
show more

Chemical Properties

Appearance Crystalline Solid
Melting point  52-54°C
alpha  -13.5 º (c=2.5, 1.5N NaOH)
Boiling point  125 °C
density  1.206 g/mL at 25 °C
vapor pressure  0.038Pa at 25℃
FEMA  2611 | LACTIC ACID
refractive index  n20/D 1.427
Fp  >230 °F
storage temp.  2-8°C
solubility  H2O: 10 mg/mL, clear, colorless
form  Powder/Solid
pka pK at 25°, 3.79
color  White
Odor odorless acidic
PH 2.8 (20°C, 10g/L in H2O)
Odor Type odorless
Optical Rotation [α]20/D 13.5°, c = 2.5 in 1.5 M NaOH
Water Solubility  SOLUBLE
Sensitive  Hygroscopic
Usage 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,
JECFA Number 930
Merck  14,5337
BRN  1720251
InChI 1S/C3H6O3/c1-2(4)3(5)6/h2,4H,1H3,(H,5,6)/t2-/m0/s1
InChIKey JVTAAEKCZFNVCJ-REOHCLBHSA-N
SMILES C[C@H](O)C(O)=O
LogP -0.54 at 20℃
CAS DataBase Reference 79-33-4(CAS DataBase Reference)
NIST Chemistry Reference (s)-2-Hydroxypropanoic acid(79-33-4)
EPA Substance Registry System 79-33-4(EPA Substance)
show more

Safety Data

Symbol(GHS)  Corrosion (GHS05)
GHS05
Signal word  Danger
Hazard statements  H315-H318
Precautionary statements  P264-P280-P302+P352-P305+P351+P338-P332+P313-P362+P364
Hazard Codes  Xi,C
Risk Statements 
R38:Irritating to the skin.
R41:Risk of serious damage to eyes.
R34:Causes burns.
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
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 label where possible) .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S36:Wear suitable protective clothing .
RIDADR  3261
WGK Germany  1
RTECS  OD2800000
F  3-10
TSCA  Yes
REACH Registrations Active
HazardClass  8
PackingGroup  III
HS Code  29181100
Storage Class 8A - Combustible corrosive hazardous materials
Hazard Classifications Eye Dam. 1
Skin Corr. 1C
Toxicity
LD50 intraperitoneal in mouse: 3194mg/kg

Raw materials And Preparation Products

Hazard Information

Material Safety Data Sheet(MSDS)

Questions And Answer

Spectrum Detail

Well-known Reagent Company Product Information

Supplier

Related Products

Send Inquriy