Melting point :91-93 °C (lit.)
Boiling point :97-103°C 5mm
Density :1,2493 g/cm³
refractive index :1.4543 (estimate)
Flash point :97-103°C/5mm
storage temp. :Inert atmosphere,Room Temperature
solubility :soluble in Methanol
pka :8.52±0.20(Predicted)
form :Fine Crystalline Powder
color :White to slightly yellow
Water Solubility :SOLUBLE
λmax :280nm(EtOH)(lit.)
BRN :106910
InChIKey :PEEHTFAAVSWFBL-UHFFFAOYSA-N
CAS DataBase Reference :541-59-3(CAS DataBase Reference)
NIST Chemistry Reference :1H-pyrrole-2,5-dione(541-59-3)
EPA Substance Registry System :1H-Pyrrole-2,5-dione (541-59-3)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H300 Fatal if swallowed Acute toxicity,oral Category 1, 2 Danger P264, P270, P301+P310, P321, P330,P405, P501 H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501 H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501
Precautionary statements:	P260 Do not breathe dust/fume/gas/mist/vapours/spray. P270 Do not eat, drink or smoke when using this product. P280 Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.