2,5-Furandione,3,4-dimethyl- cas no:766-39-2
Synonyms: Maleicanhydride, dimethyl- (7CI,8CI);Pyrocinchonic anhydride (6CI);3,4-Dimethyl-2,5-furandione;Dimethylmaleic acid anhydride;Dimethylmaleic anhydride;NSC 92512;3,4-dimethylfuran-2,5-dione;
Name2,5-Furandione,3,4-dimethyl-
CAS766-39-2
SynonymsMaleicanhydride, dimethyl- (7CI,8CI);Pyrocinchonic anhydride (6CI);3,4-Dimethyl-2,5-furandione;Dimethylmaleic acid anhydride;Dimethylmaleic anhydride;NSC 92512;3,4-dimethylfuran-2,5-dione;
EINECS(EC#)212-165-8
Molecular FormulaC6H6O3
Molecular Weight126.11
Appearancewhite to beige crystals or cryst. powder
refractive index1.486
storage temp0-6°C
Sensitive Moisture Sensitive
Hazard Xn:Harmful;
Risk R22
Safety
Questionable carcinogen with experimental tumorigenic data. When heated to decomposition it emits acrid smoke and irritating fumes. See also ANHYDRIDES.
Safety information of 2,3-Dimethylmaleic anhydride (766-39-2):
Hazard Codes 
Xn,Xi
Risk Statements
22 Harmful if swallowed
Safety Statements
45 In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
36/37/39 Wear suitable protective clothing, gloves and eye/face protection
28 After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer)
26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
WGK Germany 3
RTECS ON4025000
F 9-21
