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| CAS号 : | 2243-76-7 |
精确质量 : | 287.05400 |
| 分子式 : | C13H9N3O5 |
logP : | 3.93720 |
| 分子量 : | 287.22800 |
PSA : | 128.07000 |
茜素黄R | |
(3E)-3-[(4-nitrophenyl)hydrazinylidene]-6-oxocyclohexa-1,4-diene-1-carboxylic acid | |
2243-76-7 | |
C13H9N3O5 | |
287.22800 | |
128.07000 | |
3.93720 | |
287.05400 |
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红色-棕色结晶粉末
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1.671
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Stable under normal temperatures and pressures.
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256.3ºC
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6.74E-14mmHg at 25°C
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Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
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250°C
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1.49 g/cm3
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SOLUBLE
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500.2ºC at 760 mmHg
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2901100000
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R22
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S24/25-S26
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VO5310000
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Xn
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品名, 成分含量, 用途, 用作气体燃料的应报明包装容器容积, 散装货物应报明 |
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2901100000 饱和无环烃。监管条件:无。增值税率:17.0%。退税率:9.0%。最惠国关税:2.0%。普通关税:30.0% |
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2901100000 saturated acyclic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0% |
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HS:2901100000.saturated acyclic hydrocarbons. General tariff:0 |
1.将对硝基苯胺加入水中,加入盐酸,加热溶解,将亚硝酸钠溶液分次加入,经过滤,加入水杨酸钠,加热至沸,冷却、过滤即为粗品。粗品经处理即为纯品茜素黄R钠盐. | |
1.用作酸碱指示剂,ph值10.0(黄色)~12.0(红色)。 |