大黄酸 (CAS No.478-43-3)
- 物化性质
- 黄色至黄棕色结晶粉末，无臭，几乎不溶于水，微溶于乙醇、乙醚，易溶于碱性溶液。熔点约318-320℃（分解），在紫外光下显荧光。
- 技术参数
- 含量（HPLC）≥98%
- 熔点
- 318-320℃（分解）
- 外观
- 黄色至黄棕色结晶粉末
English description（英文原文，共 1017 字符）
Product Name:Rhein
English Name:Rhein
CAS No.:478-43-3
Aliases:1,8-Dihydroxy-3-carboxyanthraquinone, 4,5-Dihydroxyanthraquinone-2-carboxylic acid, Cassic acid, Monorhein
Molecular Formula:C15H8O6
Physical Properties:Yellow to yellowish-brown crystalline powder, odorless, practically insoluble in water, slightly soluble in ethanol and ether, freely soluble in alkaline solutions. Melting point approximately 318-320°C (decomposition), exhibits fluorescence under UV light.
Uses:Mainly used in pharmaceutical research and as a biochemical reagent. As an anthraquinone active component, it possesses anti-inflammatory, antioxidant, anti-fibrotic and anti-tumor pharmacological activities. It is also applied in quality control of traditional Chinese medicine raw materials and as an intermediate for derivative synthesis.
Technical Specifications:
Assay (HPLC) ≥98%
Melting point: 318-320°C (decomposition)
Loss on drying: ≤0.5%
Heavy metals: ≤10ppm
Appearance: yellow to yellowish-brown crystalline powder
English Name:Rhein
CAS No.:478-43-3
Aliases:1,8-Dihydroxy-3-carboxyanthraquinone, 4,5-Dihydroxyanthraquinone-2-carboxylic acid, Cassic acid, Monorhein
Molecular Formula:C15H8O6
Physical Properties:Yellow to yellowish-brown crystalline powder, odorless, practically insoluble in water, slightly soluble in ethanol and ether, freely soluble in alkaline solutions. Melting point approximately 318-320°C (decomposition), exhibits fluorescence under UV light.
Uses:Mainly used in pharmaceutical research and as a biochemical reagent. As an anthraquinone active component, it possesses anti-inflammatory, antioxidant, anti-fibrotic and anti-tumor pharmacological activities. It is also applied in quality control of traditional Chinese medicine raw materials and as an intermediate for derivative synthesis.
Technical Specifications:
Assay (HPLC) ≥98%
Melting point: 318-320°C (decomposition)
Loss on drying: ≤0.5%
Heavy metals: ≤10ppm
Appearance: yellow to yellowish-brown crystalline powder
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常见问题
- 大黄酸的 CAS 号是多少？
- 大黄酸的 CAS 号是 478-43-3。
- 大黄酸的分子式和分子量是什么？
- 大黄酸的分子式为 C15H8O6。
- 大黄酸的英文名称是什么？
- 大黄酸的英文名称为 Rhein。
- 大黄酸还有哪些别名？
- 大黄酸又称 1,8-二羟基-3-羧基蒽醌、4,5-二羟基蒽醌-2-羧酸、大黄酸、大黄酸蒽醌。
- 大黄酸有哪些供应商和生产厂家？
- 掌上化工当前收录 1 条大黄酸供应报价，来自 1 家供应商，可按地区、纯度、级别筛选对比。
- 大黄酸的供应商主要分布在哪些地区？
- 大黄酸的供应商主要分布在 上海市（1 条） 等地。
- 大黄酸有哪些级别可选？
- 平台上大黄酸的供应级别包括 工业级。
- 大黄酸的报价单位是什么？
- 大黄酸的报价单位主要有 千克。
- 哪里可以查到大黄酸的价格？
- 掌上化工大黄酸产品页汇总了各供应商的最新报价与规格，地址：/chemicals/478-43-3/。部分供应商价格为电议，可通过页面上的询价功能直接获取。
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