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| CAS号 : | 72-48-0 |
精确质量 : | 240.04200 |
| 分子式 : | C14H8O4 |
logP : | 1.87320 |
| 分子量 : | 240.21100 |
PSA : | 74.60000 |
1,2-二羟基蒽醌 | |
alizarin | |
72-48-0 | |
C14H8O4 | |
240.21100 | |
74.60000 | |
1.87320 | |
240.04200 |
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橙色-红色晶体或粉末
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1.732
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Stable. Incompatible with strong oxidizing agents, strong bases.
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430°C subl.
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287 °C
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1.06 g/mL at 20 °C
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430 °C
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2914700090
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3
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R36/38
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S26-S36-S24/25-S22
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YO8300000
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Xi
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品名, 成分含量, 用途, 丙酮报明包装 |
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2914700090 其他酮及醌的卤化、磺化衍生物（包括硝化和亚硝化衍生物）. 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:5.5% 普通关税:30.0% |
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HS: 2914700090 halogenated, sulphonated, nitrated or nitrosated derivatives of ketones and quinones, whether or not with other oxygen function Tax rebate rate:9.0% Supervision conditions:none VAT:17.0% MFN tariff:5.5% General tariff:30.0% |
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2914700090. Halogenated, sulphonated, nitrated or nitrosated derivatives of Ketones and quinones, whether or not with other oxygen function. General tariff: |
1.在自然界茜素存在于茜草的根部。将蒽醌-2-磺酸与苛性钠和氯酸钾或硝酸钾共熔,然后把熔融物倾入热水中,再用盐酸将茜素沉淀而得:将9g氯酸钾、30g蒽醌-2-磺酸钠和110g氢氧化钠同溶于110ml水中,在压热釜中于170℃加热反应25g。冷后将反应物用水提取几次,每次150ml。水提取液过滤,滤液用盐酸酸化。冷却后吸滤析出的沉淀,洗涤,烘干,得约20g茜素。 | |
1.酸碱指示剂。作铝、铟、汞、锌和锆的点滴试剂。神经组织和原生动物活体染色的染色剂。 |
