2,3,5,6-Tetrafluoro-1,4-benzenediol
Names
[ CAS No. ]:
771-63-1
[ Name ]:
2,3,5,6-Tetrafluoro-1,4-benzenediol
[Synonym ]:
2,3,5,6-Tetrafluorohydroquinone
MFCD00002340
Tetrafluoro-1,4-hydroquinone
QR DQ BF CF EF FF
Tetrafluorohydroquinone
EINECS 212-237-9
1,4-Benzenediol, 2,3,5,6-tetrafluoro-
Tetrafluorobenzene-1,4-diol
2,3,5,6-tetrafluorobenzene-1,4-diol
2,3,5,6-Tetrafluoro-1,4-benzenediol
Chemical & Physical Properties
[ Density]:
1.8±0.1 g/cm3
[ Boiling Point ]:
205.5±35.0 °C at 760 mmHg
[ Melting Point ]:
172-174 °C(lit.)
[ Molecular Formula ]:
C6H2F4O2
[ Molecular Weight ]:
182.072
[ Flash Point ]:
78.1±25.9 °C
[ Exact Mass ]:
181.999084
[ PSA ]:
40.46000
[ LogP ]:
3.17
[ Vapour Pressure ]:
0.2±0.4 mmHg at 25°C
[ Index of Refraction ]:
1.493
MSDS
Safety Information
[ Symbol ]:
GHS05, GHS07
[ Signal Word ]:
Danger
[ Hazard Statements ]:
H302-H318
[ Precautionary Statements ]:
P280-P305 + P351 + P338
[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Gloves
[ Hazard Codes ]:
Xn: Harmful;
[ Risk Phrases ]:
R22
[ Safety Phrases ]:
S26
[ RIDADR ]:
NONH for all modes of transport
[ WGK Germany ]:
3
[ HS Code ]:
2908199090
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2908199090
[ Summary ]:
HS: 2908199090. derivatives of polyphenols or phenol-alcohols containing only halogen substituents and their salts. VAT:17.0%. tax rebate rate:9.0%. supervision conditions:None. MFN tariff:5.5%. general tariff:30.0%