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
CAS DataBase Reference :598-82-3(CAS DataBase Reference)
NIST Chemistry Reference :Lactic acid(598-82-3)
EPA Substance Registry System :Propanoic acid, 2-hydroxy-(598-82-3)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H318 Causes serious eye damage Serious eye damage/eye irritation Category 1 Danger P280, P305+P351+P338, P310
Precautionary statements:	P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P280 Wear protective gloves/protective clothing/eye protection/face protection. P302+P352 IF ON SKIN: wash with plenty of soap and water. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P310 Immediately call a POISON CENTER or doctor/physician. P321 Specific treatment (see … on this label). P332+P313 IF SKIN irritation occurs: Get medical advice/attention. P362 Take off contaminated clothing and wash before reuse.