CAS Number23229-25-6
Synonyms2,6-Dibrom-pyrazin; 2,5-DI(2-AMINOPHENYL)THIOPHENE; 2,6-dibromo-pyrazine; 2,6-Dibromopyrazine; pyrazine,2,6-dibromo; 2,5-Dibromopyrazine
Molecular FormulaC4H2Br2N2
Molecular Weight237.880
Purity98.00%
Density2.2±0.1 g/cm3
Boiling Point233.6±35.0 °C at 760 mmHg
Melting Point51.0 to 55.0 °C
AppearanceCrystalline Solid | Off-white to pale brown
| Chemical & Physical Properties | |
|---|---|
| CAS Number | 23229-25-6 |
| Catalog No. | 2A-9039210 |
| Chinese Name | 2,6-二溴吡嗪 |
| Synonyms | 2,6-Dibrom-pyrazin; 2,5-DI(2-AMINOPHENYL)THIOPHENE; 2,6-dibromo-pyrazine; 2,6-Dibromopyrazine; pyrazine,2,6-dibromo; 2,5-Dibromopyrazine |
| Molecular Formula | C4H2Br2N2 |
| Molecular Weight | 237.880 |
| Purity | 98.00 |
| Density | 2.2±0.1 g/cm3 |
| Boiling Point | 233.6±35.0 °C at 760 mmHg |
| Melting Point | 51.0 to 55.0 °C |
| Appearance | Crystalline Solid | Off-white to pale brown |
| Water Solubility | Slightly soluble in water. |
| Storage Condition | 0-10°C; store in inert gas; avoid air, heat |
| HTC | 2933990090 |
| SMILES | Brc1cncc(Br)n1 |
| InChI Key | JXKQTRCEKQCAGH-UHFFFAOYSA-N |
| MSDS | msds/39210_1_23229_25_6.pdf |
| Use of | health and chemical hazard data given on this sheet. Storage:Store in closed vessels. Section8. Exposure Controls / Personal protection Engineering Controls: Use only in a chemical fume hood. Personal protective equipment: Wear laboratory clothing, chemical-resistant gloves and safety goggles. General hydiene measures: Wash thoroughly after handling. Wash contaminated clothing before reuse. Section9. Physical and chemical properties Not specified Appearance: Boiling point:No data Melting point:No data Flash point:No data Molecular formula:C4H2Br2N2 Molecular weight:237.9 Section10. Stability and reactivity Conditions to avoid: Heat, flames and sparks. Materials to avoid: Oxidizing agents. Possible hazardous combustion products: Carbon monoxide, nitrogen oxides, hydrogen bromide. Section11. Toxicological information Section12. Ecological information Section13. Disposal consideration Arrange disposal as special waste, by licensed disposal company, in consultation with local waste disposal authority, in accordance with national and regional regulations. Section14. Transportation information Non-harzardous for air and ground transportation. Section15. Regulatory information No chemicals in this material are subject to the reporting requirements of SARA Title III, Section 302, or have known CAS numbers that exceed the threshold reporting levels established by SARA Title III, Section 313. SECTION 16 - ADDITIONAL INFORMATION Safety Information Hazard Codes Xi HS Code 2933990090 Synthetic Route 2,6-Dichloropyrazine CAS#:4774-14-5 2,6-Dibromopyrazine CAS#:23229-25-6 2-Pyrazinol CAS#:6270-63-9 2,6-Dibromopyrazine CAS#:23229-25-6 Literature: Journal of the American Chemical Society, , vol. 68, p. 400 CAS#:290-37-9 2,6-Dibromopyrazine CAS#:23229-25-6 Literature: US2524431 , ; US2540476 , ; Precursor & DownStream Precursor 4 CAS#:4774-14-5 2,6-Dichloropyrazine CAS#:6270-63-9 2-Pyrazinol CAS#:290-37-9 CAS#:56423-63-3 2-Bromopyrazine DownStream 3 CAS#:4774-15-6 2,6-Dimethoxypy... CAS#:41536-80-5 2,6-Pyrazinediamine CAS#:848841-62-3 4-(6-Bromopyraz... |
| Tax Rebate | 13.0% |
| Supervision | None. MFN tariff: 6.5%. Ordinary tariff: 20.0% |
| Transport Info | Product name: 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% |
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