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| CAS号 : | 4744-50-7 |
精确质量 : | 150.00700 |
| 分子式 : | C6H2N2O3 |
logP : | -0.21280 |
| 分子量 : | 150.09200 |
PSA : | 69.15000 |
2,3-吡嗪二羧酸酐 | |
2,3-Pyrazinedicarboxylic anhydride | |
4744-50-7 | |
C6H2N2O3 | |
150.09200 | |
69.15000 | |
-0.21280 | |
150.00700 |
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1.634
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169.9ºC
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210 °C (dec.)(lit.)
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1.686g/cm3
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357.3ºC at 760 mmHg
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GHS07 | |
警告 | |
H315; H319; H335 | |
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2934999090
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3
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R36/37/38
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S26-S36
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Xi
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品名, 成分含量, 用途 |
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2934999090. 其他杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0% |
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2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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2934999090. Other nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds. General tariff: |
可用邻苯二胺与乙二醛环合,生成苯并吡嗪,经氧化得到吡嗪二羧酸,后者在乙酸酐作用下消除(脱水)得到该品。 | |
吡嗪酰胺的中间体。 |
