13808-64-5
13808-64-5 structure
- Name: 4-Bromo-3-methylpyrazole
- Chemical Name: 4-Bromo-3-methylpyrazole
- CAS Number: 13808-64-5
- Molecular Formula: C4H5BrN2
- Molecular Weight: 161.000
- Catalog: Pharmaceutical intermediate Heterocyclic compound Pyrazines
- Create Date: 2018-03-20 08:00:00
- Modify Date: 2026-07-04 16:13:52
| Name | 4-Bromo-3-methylpyrazole |
|---|---|
| Synonyms |
4-BROMO-3-METHYLPYRAZOLE
4-BROMO-3-METHYLPYRAZOLE 13-5 3-Methyl-4-bromo-1H 1H-Pyrazole, 4-bromo-3-methyl 4-bromo-3-methyl-2H-pyrazole TIMTEC-BB SBB003957 MFCD00005241 3-Methyl-4-bromo-1H-pyrazole 4-bromo-5-methyl-1H-pyrazole 4-bromo-5-methyl-1H-pyrazole(SALTDATA: FREE) 4-Bromo-3-methylpyrazole ISO 9001：2015 REACH 4-BROMO-3-METHYL-1H-PYRAZOLE 3-Methyl-4-bromopyrazole 4-Bromo-3-methylpyrazole > 4-BroMo-3-Methylpyrazole, R EINECS 237-456-7 4-Bromo-3-methyl-1H-pyrazole |
| Density | 1.7±0.1 g/cm3 |
|---|---|
| Boiling Point | 259.9±20.0 °C at 760 mmHg |
| Melting Point | 77-79°C |
| Molecular Formula | C4H5BrN2 |
| Molecular Weight | 161.000 |
| Flash Point | 111.0±21.8 °C |
| Exact Mass | 159.963608 |
| PSA | 28.68000 |
| LogP | 1.90 |
| Vapour Pressure | 0.0±0.5 mmHg at 25°C |
| Index of Refraction | 1.584 |
| 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 | S37/39-S26 |
| RIDADR | NONH for all modes of transport |
| HS Code | 2933199090 |
|
~49%
13808-64-5 |
| Literature: Pelleter, Jacques; Renaud, Fabrice Organic Process Research and Development, 2009 , vol. 13, # 4 p. 698 - 705 |
|
~80%
13808-64-5 |
| Literature: Heinisch, Gottfried; Holzer, Wolfgang; Pock, Sabine Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1990 , # 7 p. 1829 - 1834 |
| Precursor 1 | |
|---|---|
| DownStream 7 | |
| HS Code | 2933199090 |
|---|---|
| Summary | 2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |