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771-63-1

771-63-1 Structure

771-63-1 Structure
IdentificationMore
[Name]

TETRAFLUOROHYDROQUINONE
[CAS]

771-63-1
[Synonyms]

1,2,4,5-TETRAFLUORO-3,6-DIHYDROXYBENZENE
1,4-DIHYDROXYTETRAFLUOROBENZENE
2,3,5,6-TETRAFLUOROBENZENE-1,4-DIOL
2,3,5,6-TETRAFLUOROHYDROQUINONE
TETRAFLUORO-1,4-HYDROQUINONE
TETRAFLUOROBENZENE-1,4-DIOL
TETRAFLUOROHYDROQUINONE
1,4-Benzenediol, 2,3,5,6-tetrafluoro-
2,3,5,6-Tetrafluoro-1,4-benzenediol
Hydroquinone, tetrafluoro-
1,4-Dihydroxy-2,3,5,6-tetrafluorobenzene
1,4-Dihydroxy-2,3,5,6-tetrafluorobenzene 98%
1,4-Dihydroxy-2,3,5,6-tetrafluorobenzene98%
[EINECS(EC#)]

212-237-9
[Molecular Formula]

C6H2F4O2
[MDL Number]

MFCD00002340
[Molecular Weight]

182.07
[MOL File]

771-63-1.mol
Chemical PropertiesBack Directory
[Appearance]

SLIGHTLY BEIGE CRYSTALLINE POWDER
[Melting point ]

172-174 °C(lit.)
[Boiling point ]

206℃
[density ]

1.765
[Fp ]

78℃
[solubility ]

soluble in Methanol
[form ]

powder to crystal
[pka]

5.90±0.33(Predicted)
[color ]

White to Light yellow to Light orange
[CAS DataBase Reference]

771-63-1(CAS DataBase Reference)
Safety DataBack Directory
[Hazard Codes ]

Xn,Xi
[Risk Statements ]

R22:Harmful if swallowed.
R41:Risk of serious damage to eyes.
[Safety Statements ]

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
[WGK Germany ]

3
[Hazard Note ]

Irritant
[HazardClass ]

IRRITANT
[HS Code ]

29081990
Hazard InformationBack Directory
[Chemical Properties]

SLIGHTLY BEIGE CRYSTALLINE POWDER
[Uses]

Tetrafluorohydroquinone is a kind of medicine, chemistry of pesticide intermediate, has in fields such as medicine, agricultural chemicals very to use widely.
[Synthesis]

[Synthesis]

The diazoides of 2,3,5, 6-tetrafluoro-4-aminophenol is added to the mixture of water, CuSO4.5H20 at 90-110℃ within 1-2 hours and the return water is heated, stratification, oil layer extraction with lye that is a sodium hydroxide solution or potassium hydroxide with a weight concentration of 5-10%, and then collected the extracted lye layer and acidified with hydrochloric acid to obtain the target product 2,3,5, 6-tetrafluorohydroquinone.
Spectrum DetailBack Directory
[Spectrum Detail]

TETRAFLUOROHYDROQUINONE(771-63-1)MS
TETRAFLUOROHYDROQUINONE(771-63-1)1HNMR
TETRAFLUOROHYDROQUINONE(771-63-1)13CNMR
TETRAFLUOROHYDROQUINONE(771-63-1)IR1
TETRAFLUOROHYDROQUINONE(771-63-1)IR2
TETRAFLUOROHYDROQUINONE(771-63-1)Raman
Well-known Reagent Company Product InformationBack Directory
[Alfa Aesar]

2,3,5,6-Tetrafluorohydroquinone, 98%(771-63-1)
[Sigma Aldrich]

771-63-1(sigmaaldrich)
[TCI AMERICA]

Tetrafluorohydroquinone,>97.0%(GC)(771-63-1)
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