Melting point :197-201 °C(lit.)
Boiling point :402.47°C (rough estimate)
Density :1.3394 (rough estimate)
refractive index :1.5880 (estimate)
solubility :Dioxane[soluble in]
solubility :soluble in Dioxane
form :powder to crystal
pka :-2.60±0.20(Predicted)
color :White to Almost white
CAS DataBase Reference :3343-28-0
EPA Substance Registry System :1H-Isoindole-1,3(2H)-dione, 2-(tetrahydro-2,6-dioxo-2H-pyran-3-yl)- (3343-28-0)

Symbol(GHS):
Signal word:	Warning
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 H351 Suspected of causing cancer Carcinogenicity Category 2 Warning P201, P202, P281, P308+P313, P405,P501
Precautionary statements:	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.