Melting point :165-167 °C(lit.)
Boiling point :251.61°C (rough estimate)
Density :1.08
refractive index :1.4365
storage temp. :Inert atmosphere,Room Temperature
solubility :Chloroform (Slightly), Methanol (Slightly)
form :Crystalline Powder
color :White
Water Solubility :DECOMPOSES
Sensitive :Moisture Sensitive
Merck :14,1796
BRN :83657
InChI :InChI=1/C9H8O3/c10-8-6-4-1-2-5(3-4)7(6)9(11)12-8/h1-2,4-7H,3H2/t4-,5+,6-,7+
InChIKey :KNDQHSIWLOJIGP-UMRXKNAANA-N
SMILES :C1(=O)[C@]2([H])[C@@]([H])([C@@]3([H])C[C@]2([H])C=C3)C(=O)O1 |&1:2,4,6,9,r|
CAS DataBase Reference :129-64-6(CAS DataBase Reference)
NIST Chemistry Reference :Endo-5-norbornene-2,3-dicarboxylic anhydride(129-64-6)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501 H318 Causes serious eye damage Serious eye damage/eye irritation Category 1 Danger P280, P305+P351+P338, P310 H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled Sensitisation, respiratory Category 1 Danger P261, P285, P304+P341, P342+P311,P501
Precautionary statements:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P272 Contaminated work clothing should not be allowed out of the workplace. P280 Wear protective gloves/protective clothing/eye protection/face protection. P284 Wear respiratory 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.