3,5-Dibromo-2-hydroxypyrazine structure
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Common Name | 3,5-Dibromo-2-hydroxypyrazine | ||
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CAS Number | 21943-15-7 | Molecular Weight | 253.880 | |
Density | 2.4±0.1 g/cm3 | Boiling Point | 430.5±40.0 °C at 760 mmHg | |
Molecular Formula | C4H2Br2N2O | Melting Point | N/A | |
MSDS | Chinese USA | Flash Point | 214.2±27.3 °C | |
Symbol |
GHS05, GHS07 |
Signal Word | Danger |
Name | 3,5-dibromo-1H-pyrazin-2-one |
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Synonym | More Synonyms |
Density | 2.4±0.1 g/cm3 |
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Boiling Point | 430.5±40.0 °C at 760 mmHg |
Molecular Formula | C4H2Br2N2O |
Molecular Weight | 253.880 |
Flash Point | 214.2±27.3 °C |
Exact Mass | 251.853378 |
PSA | 46.01000 |
LogP | 1.52 |
Vapour Pressure | 0.0±1.1 mmHg at 25°C |
Index of Refraction | 1.667 |
Symbol |
GHS05, GHS07 |
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Signal Word | Danger |
Hazard Statements | H302-H318 |
Precautionary Statements | P280-P305 + P351 + P338 |
Hazard Codes | Xn |
Risk Phrases | 22-41 |
Safety Phrases | 26-39 |
RIDADR | NONH for all modes of transport |
HS Code | 2933990090 |
~79% 3,5-Dibromo-2-h... CAS#:21943-15-7 |
Literature: PFIZER INC.; NINKOVIC, Sacha; BRAGANZA, John Frederick; COLLINS, Michael Raymond; KATH, John Charles; LI, Hui; RICHTER, Daniel Tyler Patent: WO2010/16005 A1, 2010 ; Location in patent: Page/Page column 144 ; WO 2010/016005 A1 |
Precursor 1 | |
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DownStream 1 | |
HS Code | 2933990090 |
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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% |
3,5-Dibrom-2(1H)-pyrazinon |
2-pyrazinol, 3,5-dibromo- |
3,5-Dibromo-2-pyrazinol |
3,5-Dibromo-2(1H)-pyrazinone |
3,5-Dibromo-2-hydroxypyrazine |
3,5-Dibromo-pyrazin-2-ol |
3,5-Dibrom-2-hydroxy-pyrazin |
3,5-dibromopyrazin-2-ol |