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DL-Lactic acid Structure

DL-Lactic acid

Chemical Properties

Melting point 18 °C
Boiling point 122 °C15 mm Hg(lit.)
Density  1.209 g/mL at 25 °C
refractive index  n20/D 1.4262
FEMA  2611 | LACTIC ACID
Flash point >230 °F
storage temp.  2-8°C
solubility  Aqueous Base (Slightly), Methanol (Slightly), Water
form  syrup
pka pKa at 25° 3.86
color  Colourless
Stability Hygroscopic
SCOGS (Select Committee on GRAS Substances) Lactic acid
CAS DataBase Reference 598-82-3(CAS DataBase Reference)
FDA UNII 3B8D35Y7S4
NIST Chemistry Reference Lactic acid(598-82-3)
EPA Substance Registry System Propanoic acid, 2-hydroxy-(598-82-3)

Safety

Symbol(GHS) GHS hazard pictograms
Signal wordDanger
Hazard statements H315-H318
Precautionary statements P280-P305+P351+P338-P310-P264-P280-P302+P352-P321-P332+P313-P362
Hazard Codes  Xi
Risk Statements  38-41
Safety Statements  26-39
WGK Germany  2
RTECS  OD2800000
F  3
HS Code  29181100
Toxicity LD50 orally in rats: 3.73 g/kg (Smyth)

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