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| CAS号 : | 128-70-1 |
精确质量 : | 406.09900 |
| 分子式 : | C30H14O2 |
logP : | 7.00680 |
| 分子量 : | 406.43100 |
PSA : | 34.14000 |
还原金橙G | |
pyranthrene-8,16-dione | |
128-70-1 | |
C30H14O2 | |
406.43100 | |
34.14000 | |
7.00680 | |
406.09900 |
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粗糙的淡米色至棕色粉末
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1.909
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250ºC
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1.2E-19mmHg at 25°C
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Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.
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85ºC
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1.489
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703.7ºC at 760 mmHg
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2932999099
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S22-S24/25
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品名, 成分含量, 用途 |
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2932999099. 其他仅含氧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% |
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2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
方法1:由苯酐与甲苯反应制备2-甲基蒽醌,经氯化反应生成1-氯-2-甲基蒽醌,再通过脱氯缩合生成二甲基双蒽醌(2,2'-dimethyl-1,1-bianthraqunonyl),再将该产物在邻二氯苯、氢氧化钠水溶液中,以四丁基溴化铵为催化剂在压热釜中进行闭环,得到皮蒽酮(C.I.还原 | |
该颜料品种为未取代的皮蒽酮(Pyranthrone),但其产量不大,具有优良的耐光牢度为6-7级(1/1-1/25SD)及中等的着色强度。其在织物印花上牢度较好,但不耐还原性处理,在碱性保险粉溶液中处理牢度下降,且着色纤维经处理后色光发生变化。主要应用于粘胶纤维及醋酸纤维的纺丝着色。 |