Melting point :119 °C
Boiling point :548.8±50.0 °C(Predicted)
Density :1.65±0.1 g/cm3(Predicted)
storage temp. :Sealed in dry,2-8°C
solubility :0.27 % in water at room temperature, readily soluble in alcohol.
form :Yellow crystalline material. Melting point 116-120°C (with decomposition).
pka :2.44±0.40(Predicted)
Water Solubility :Slightly soluble in water. Soluble in alcohol.
Merck :14,7412
BRN :623723
CAS DataBase Reference :550-74-3(CAS DataBase Reference)
EPA Substance Registry System :Picrolonic acid (550-74-3)

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 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning H341 Suspected of causing genetic defects Germ cell mutagenicity Category 2 Warning P201,P202, P281, P308+P313, P405,P501
Precautionary statements:	P201 Obtain special instructions before use. P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P280 Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405 Store locked up.