Melting point :95-98 °C(lit.)
Boiling point :215.33°C (rough estimate)
Density :1.4769 (rough estimate)
vapor pressure :0Pa at 25℃
refractive index :1.4080 (estimate)
storage temp. :Store at +2°C to +8°C.
solubility :DMSO (Soluble), Methanol (Slightly)
pka :7.81±0.20(Predicted)
form :Liquid or Solid
color :Clear yellow-brown to brown
PH :5-7 (50g/l, H2O, 20℃)
Water Solubility :SOLUBLE
Sensitive :Hygroscopic
BRN :113913
Stability :Stable. Incompatible with strong oxidizing agents, acid chlorides, acid anhydrides, strong bases. Protect from moisture.
Cosmetics Ingredients Functions :SKIN CONDITIONING
InChI :1S/C4H5NO3/c6-3-1-2-4(7)5(3)8/h8H,1-2H2
InChIKey :NQTADLQHYWFPDB-UHFFFAOYSA-N
SMILES :ON1C(=O)CCC1=O
LogP :-2.01
CAS DataBase Reference :6066-82-6(CAS DataBase Reference)
NIST Chemistry Reference :N-hydroxylsuccinimide(6066-82-6)
EPA Substance Registry System :2,5-Pyrrolidinedione, 1-hydroxy- (6066-82-6)

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. P332+P313 IF SKIN irritation occurs: Get medical advice/attention.