771-63-1
771-63-1 structure
- Name: 2,3,5,6-Tetrafluoro-1,4-benzenediol
- Chemical Name: Tetrafluorohydroquinone
- CAS Number: 771-63-1
- Molecular Formula: C6H2F4O2
- Molecular Weight: 182.072
- Catalog: Chemical reagent Organic reagent Fatty ketone (including enol)
- Create Date: 2018-04-11 08:00:00
- Modify Date: 2025-08-25 09:52:02
| Name | Tetrafluorohydroquinone |
|---|---|
| Synonyms |
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 |
| 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 |
| 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 |
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771-63-1 |
| Literature: Tetrahedron, , vol. 8, p. 38 - 41 |
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771-63-1 |
| Literature: Journal of the Chemical Society, , p. 2088 - 2094 |
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771-63-1 |
| Literature: F: PerFHalOrg.7, 1, page 1 - 84 |
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771-63-1 |
| Literature: F: PerFHalOrg.7, 1, page 1 - 84 |
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771-63-1 |
| Literature: Journal of Organic Chemistry, , vol. 68, # 20 p. 7681 - 7684 |
| 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% |