19745-07-4
19745-07-4 structure
- Name: 2,5-Dichloropyrazine
- Chemical Name: 2,5-dichloropyrazine
- CAS Number: 19745-07-4
- Molecular Formula: C4H2Cl2N2
- Molecular Weight: 148.978
- Catalog: Pharmaceutical intermediate Heterocyclic compound Pyrazines
- Create Date: 2018-08-04 12:00:45
- Modify Date: 2024-01-01 19:26:43
| Name | 2,5-dichloropyrazine |
|---|---|
| Synonyms |
2,5-Dichloropyrazine
2,5-Dichlor-pyrazin Pyrazine, 2,5-dichloro- 2,5-Dichloro-pyrazine pyrazine,2,5-dichloro 3,6-DICHLOROPYRAZINE |
| Density | 1.5±0.1 g/cm3 |
|---|---|
| Boiling Point | 184.4±35.0 °C at 760 mmHg |
| Melting Point | 52-54ºC |
| Molecular Formula | C4H2Cl2N2 |
| Molecular Weight | 148.978 |
| Flash Point | 81.5±11.5 °C |
| Exact Mass | 147.959503 |
| PSA | 25.78000 |
| LogP | 1.49 |
| Vapour Pressure | 1.0±0.3 mmHg at 25°C |
| Index of Refraction | 1.559 |
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19745-07-4 |
| Literature: WO2008/85316 A1, ; Page/Page column 53-54 ; WO 2008/085316 A1 |
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~35%
19745-07-4 |
| Literature: US2005/234046 A1, ; Page/Page column 70 ; US 20050234046 A1 |
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19745-07-4 |
| Literature: WO2008/46226 A1, ; Page/Page column 60 ; WO 2008/046226 A1 |
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| Literature: US2524431 , ; US2475673 , ; GB612385 , ; |
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19745-07-4 |
| Literature: US2573268 , ; |
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19745-07-4 |
| Literature: Journal of Heterocyclic Chemistry, , vol. 31, # 5 p. 1177 - 1180 |
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19745-07-4
Detail
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| Literature: Journal of Chemical Research, Miniprint, , # 10 p. 2860 - 2875 |
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Detail
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| Literature: US2540476 , ; |
| Precursor 7 | |
|---|---|
| DownStream 4 | |
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |