1682-20-8
1682-20-8 structure
- Name: 2,3,5,6-Tetrafluoro-4-pyridinamine
- Chemical Name: 4-amino-2,3,5,6-tetrafluoropyridine
- CAS Number: 1682-20-8
- Molecular Formula: C5H2F4N2
- Molecular Weight: 166.076
- Catalog: Pharmaceutical intermediate Heterocyclic compound Pyridine compound Fluoropyridine
- Create Date: 2018-12-29 01:12:36
- Modify Date: 2025-08-22 19:56:35
| Name | 4-amino-2,3,5,6-tetrafluoropyridine |
|---|---|
| Synonyms |
MFCD00010855
4-Pyridinamine, 2,3,5,6-tetrafluoro- 2,3,5,6-Tetrafluoro-4-pyridinamine 4-Amino-2,3,5,6-tetrafluoropyridine 2,3,5,6-tetrafluoropyridin-4-amine |
| Density | 1.6±0.1 g/cm3 |
|---|---|
| Boiling Point | 208.3±35.0 °C at 760 mmHg |
| Melting Point | 85-87 °C(lit.) |
| Molecular Formula | C5H2F4N2 |
| Molecular Weight | 166.076 |
| Flash Point | 79.8±25.9 °C |
| Exact Mass | 166.015411 |
| PSA | 38.91000 |
| LogP | 1.96 |
| Vapour Pressure | 0.2±0.4 mmHg at 25°C |
| Index of Refraction | 1.473 |
| Symbol |
GHS07 |
|---|---|
| Signal Word | Warning |
| Hazard Statements | H302 + H312 + H332-H315-H319-H335 |
| Precautionary Statements | P261-P280-P305 + P351 + P338 |
| Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Gloves |
| Hazard Codes | Xi: Irritant; |
| Risk Phrases | R20/21/22;R36/37/38 |
| Safety Phrases | S26-S36 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | 3 |
| HS Code | 2933399090 |
| Precursor 8 | |
|---|---|
| DownStream 9 | |
| HS Code | 2933399090 |
|---|---|
| Summary | 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |