3,4,5,6-Tetrafluorophthalic acid

Names

[ CAS No. ]:
652-03-9

[ Name ]:
3,4,5,6-Tetrafluorophthalic acid

[Synonym ]:
EINECS 211-483-4
3,4,5,6-tetrafluorobenzene-1,2-dicarboxylic acid
MFCD00002407
3,4,5,6-Tetrafluorophthalic acid
1,2-Benzenedicarboxylic acid, 3,4,5,6-tetrafluoro-

Chemical & Physical Properties

[ Density]:
1.8±0.1 g/cm3

[ Boiling Point ]:
345.7±42.0 °C at 760 mmHg

[ Melting Point ]:
152-154 °C(lit.)

[ Molecular Formula ]:
C₈H₂F₄O₄

[ Molecular Weight ]:
238.093

[ Flash Point ]:
162.9±27.9 °C

[ Exact Mass ]:
237.988922

[ PSA ]:
74.60000

[ LogP ]:
1.82

[ Vapour Pressure ]:
0.0±0.8 mmHg at 25°C

[ Index of Refraction ]:
1.523

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:Irritant

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
S26-S37/39

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
3

[ HS Code ]:
2917399090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

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%