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L(+)-Lactic acid Structure

L(+)-Lactic acid

Chemical Properties

Melting point 52-54°C
Boiling point 125 °C
alpha  -13.5 º (c=2.5, 1.5N NaOH)
Density  1.206 g/mL at 25 °C
vapor pressure  0.038Pa at 25℃
refractive index  n20/D 1.427
FEMA  2611 | LACTIC ACID
Flash point >230 °F
storage temp.  2-8°C
solubility  H2O: 10 mg/mL, clear, colorless
pka pK at 25°, 3.79
form  Powder/Solid
color  White
Odor odorless acidic
Odor Type odorless
optical activity [α]20/D 13.5°, c = 2.5 in 1.5 M NaOH
Water Solubility  SOLUBLE
Sensitive  Hygroscopic
JECFA Number 930
Merck  14,5337
BRN  1720251
InChIKey JVTAAEKCZFNVCJ-REOHCLBHSA-N
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 L-Lactic acid (79-33-4)

Safety Information

Hazard Codes  Xi,C
Risk Statements  38-41-34-36/37/38-36-35
Safety Statements  26-39-45-36/37/39-36
RIDADR  3261
WGK Germany  1
RTECS  OD2800000
3-10
TSCA  Yes
HazardClass  8
PackingGroup  III
HS Code  29181100
Toxicity LD50 intraperitoneal in mouse: 3194mg/kg

MSDS

Usage And Synthesis

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