Cyclobutane-1,2,3,4-tetracarboxylic dianhydride

Names

[ Name ]:
Cyclobutane-1,2,3,4-tetracarboxylic dianhydride

[Synonym ]:
Cyclobuta[1,2-c:3,4-c']difuran-1,3,4,6(3aH,3bH,6aH,6bH)-tetraone
Tetrahydrocyclobuta[1,2-c:3,4-c']difuran-1,3,4,6-tetrone
EINECS 224-577-5
Maleic anhydride cyclic dimer
Tetrahydrofuro[3',4':3,4]cyclobuta[1,2-c]furan-1,3,4,6-tetrone
Tetrahydrocyclobuta(1,2-c:3,4-c')difuran-1,3,4,6-tetraone
Maleic anhydride cyclic dimer.
1,2,3,4-Cyclobutanetetracarboxylic dianhydride
Cyclobutanetetracarboxylic dianhydride
Cyclobutane-1,2,3,4-Tetracarboxylicdianhydride
1,2,3,4-cyclobutantetracarboxylic acid dianhydride
Cyclobuta[1,2-c:3,4-c']difuran-1,3,4,6-tetrone, tetrahydro-
MFCD00004944
1,2,3,4-cyclobutanetetracarboxylic acid dianhydride
Cyclobutanetetracarboxylic acid dianhydride
Cyclobutane-1,2,3,4-tetracarboxylic

Chemical & Physical Properties

[ Density]:
1.8±0.1 g/cm3

[ Boiling Point ]:
545.3±50.0 °C at 760 mmHg

[ Melting Point ]:
>300 °C(lit.)

[ Molecular Formula ]:
C₈H₄O₆

[ Molecular Weight ]:
196.114

[ Flash Point ]:
253.7±30.2 °C

[ Exact Mass ]:
196.000793

[ PSA ]:
86.74000

[ LogP ]:
-1.89

[ Vapour Pressure ]:
0.0±1.5 mmHg at 25°C

[ Index of Refraction ]:
1.599

MSDS

Click to get detail MSDS

Safety Information

[ Symbol ]:

GHS07

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H315-H319-H335

[ Precautionary Statements ]:
P261-P305 + P351 + P338

[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Gloves

[ Hazard Codes ]:
Xi

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
S26-S36

[ RIDADR ]:
1759

[ WGK Germany ]:
3

[ Packaging Group ]:
III

[ Hazard Class ]:
8

[ HS Code ]:
2932190090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2932190090

[ Summary ]:
2932190090 other compounds containing an unfused furan ring (whether or not hydrogenated) in the structure VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0%

Articles

The synthesis and X-ray structure of 1, 2, 3, 4-cyclobutane tetracarboxylic dianhydride and the preparation of a new type of polyimide showing excellent transparency and heat resistance. Suzuki H, et al.

J. Polym. Sci. A 38(1) , 108-116, (2000)

Synthesis and characterization of novel polyimides with 1-octadecyl side chains for liquid crystal alignment layers. Lee YJ, et al.

Polym. Adv. Technol. 18(3) , 226-34, (2007)