Melting point :50-55 °C (lit.)
Boiling point :150 °C/10 mmHg (lit.)
Density :1,411 g/cm³
vapor pressure :0.05 hPa (50 °C)
refractive index :1.4630 (estimate)
Flash point :>230 °F
storage temp. :Store below +30°C.
solubility :Chloroform, Ethyl Acetate
form :Crystalline Powder or Crystals
color :White to off-white
Water Solubility :hydrolysis
Sensitive :Moisture Sensitive
BRN :110051
InChIKey :VANNPISTIUFMLH-UHFFFAOYSA-N
CAS DataBase Reference :108-55-4(CAS DataBase Reference)
NIST Chemistry Reference :2H-Pyran-2,6(3H)-dione, dihydro-(108-55-4)
EPA Substance Registry System :2H-Pyran-2,6(3H)-dione, dihydro- (108-55-4)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 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. P270 Do not eat, drink or smoke when using this product. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. 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.