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| CAS号 : | 118-48-9 |
精确质量 : | 163.02700 |
| 分子式 : | C8H5NO3 |
logP : | 0.48130 |
| 分子量 : | 163.13000 |
PSA : | 63.07000 |
靛红酸酐 | |
4H-3,1-Benzoxazine-2,4(1H)-dione | |
118-48-9 | |
C8H5NO3 | |
163.13000 | |
63.07000 | |
0.48130 | |
163.02700 |
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1.585
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5.6 (vs air)
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黄褐色粉末
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308 °C
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233 °C (dec.)(lit.)
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decomposes
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1,52 g/cm3
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Stable at room temperature in closed containers under normal storage and handling conditions.
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Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Store protected from moisture.
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GHS07 | |
警告 | |
H317; H319 | |
P280; P305 + P351 + P338 | |
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DM3100000
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1
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S24-S26-S37
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2934999090
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Xi
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R36; R43
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2933990090
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2933990090. 其他仅含氮杂原子的杂环化合物. 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% | |
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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<p>由邻氨基苯甲酸与光气反应而得。将邻氨基苯甲酸溶解于热水和浓盐酸中,在搅拌下通入光气,靛红酸酐立即析出。反应放热,调节光气通入速度,使温度不超过50℃。连续通入光气2-4h,至吸收速度显著减慢为止。将产物在空气中晾干,于100℃干燥即得成品。</p> | |
<p>用作医药、农药、染料的原料,是除草剂苯达松的重要中间体。</p> |
