4,4'-(Hexafluoroisopropylidene)diphthalic acid

Names

[ CAS No. ]:
3016-76-0

[ Name ]:
4,4'-(Hexafluoroisopropylidene)diphthalic acid

[Synonym ]:
4,4'-(Perfluoropropane-2,2-diyl)diphthalic acid
EINECS 221-154-7

Chemical & Physical Properties

[ Density]:
1.681 g/cm3

[ Boiling Point ]:
572.3ºC at 760 mmHg

[ Melting Point ]:
240-241ºC

[ Molecular Formula ]:
C₁₉H₁₀F₆O₈

[ Molecular Weight ]:
480.26800

[ Flash Point ]:
299.9ºC

[ Exact Mass ]:
480.02800

[ PSA ]:
149.20000

[ LogP ]:
3.89010

[ Index of Refraction ]:
1.565

Safety Information

[ Hazard Codes ]:
Xi: Irritant;

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
26-36/37/39-36

[ HS Code ]:
2917399090

Synthetic Route

Click to get detail synthetic route

Customs

[ HS Code ]: 2917399090

[ Summary ]:
2917399090 aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%