Melting point :51-56 °C (lit.)
Boiling point :200 °C (lit.)
Density :1.48
vapor density :3.4 (vs air)
vapor pressure :0.16 mm Hg ( 20 °C)
refractive index :1.4688 (estimate)
Flash point :218 °F
storage temp. :Store below +30°C.
solubility :Chloroform (Slightly), Ethyl Acetate (Slightly)
pka :0[at 20 ℃]
form :powder
color :White
PH :0.8 (550g/l, H2O, 20℃)Hydrolysis
Odor :Mild acrid odor.
explosive limit :1.4-7.1%(V)
Water Solubility :79 g/100 mL (25 ºC)
Sensitive :Moisture Sensitive
Merck :14,5704
BRN :106909
Henry's Law Constant :(atm?m³/mol): Not applicable - reacts with water
Exposure limits :NIOSH REL: TWA 1 ppm (0.25 mg/m³), IDLH 10 ppm; OSHA PEL: TWA 0.25 ppm; ACGIH TLV: TWA 0.25 ppm with an intended change of 0.1 ppm.
Dielectric constant :51.0（60℃）
Stability :Stable. Combustible. Incompatible with water, strong oxidizing agents, alkali metals, strong bases, amines, most common metals, polymerization catalysts and accelerators.
InChIKey :FPYJFEHAWHCUMM-UHFFFAOYSA-N
LogP :-2.61 at 20℃
CAS DataBase Reference :108-31-6(CAS DataBase Reference)
NIST Chemistry Reference :2,5-Furandione(108-31-6)
EPA Substance Registry System :Maleic anhydride (108-31-6)

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 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 H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled Sensitisation, respiratory Category 1 Danger P261, P285, P304+P341, P342+P311,P501 H372 Causes damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 1 Danger P260, P264, P270, P314, P501
Precautionary statements:	P260 Do not breathe dust/fume/gas/mist/vapours/spray. 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. 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.