单宁酸 (CAS No.1401-55-4)
- 物化性质
- 淡黄色至浅棕色无定形粉末，有特殊气味，味涩。溶于水、乙醇、丙酮，不溶于苯、氯仿、乙醚。水溶液呈酸性，遇铁盐溶液产生蓝黑色沉淀。
- 技术参数
- 含量（以干品计）≥98.0% 干燥失重≤8.0% 灼烧残渣≤1.0%
English description（英文原文，共 885 字符）
Product Name:Tannic Acid
English Name:Tannic Acid
CAS No.:1401-55-4
Aliases:Tannin, Tannic acid, Gallotannin
Molecular Formula:C76H52O46
Physical Properties:Light yellow to light brown amorphous powder with a special odor and astringent taste. Soluble in water, ethanol, and acetone; insoluble in benzene, chloroform, and ether. The aqueous solution is acidic and produces a blue-black precipitate with ferric salt solutions.
Uses:Mainly used in the pharmaceutical industry (e.g., preparation of tannin albuminate and other drugs), as a tanning agent in the leather industry, in ink manufacturing, as a mordant in textile dyeing and printing, and as a raw material for industrial water treatment agents.
Technical Specifications:
Content (on dry basis) ≥98.0%
Loss on drying ≤8.0%
Residue on ignition ≤1.0%
pH of aqueous solution (1:10) 2.5~3.5
Heavy metals (as Pb) ≤0.002%
English Name:Tannic Acid
CAS No.:1401-55-4
Aliases:Tannin, Tannic acid, Gallotannin
Molecular Formula:C76H52O46
Physical Properties:Light yellow to light brown amorphous powder with a special odor and astringent taste. Soluble in water, ethanol, and acetone; insoluble in benzene, chloroform, and ether. The aqueous solution is acidic and produces a blue-black precipitate with ferric salt solutions.
Uses:Mainly used in the pharmaceutical industry (e.g., preparation of tannin albuminate and other drugs), as a tanning agent in the leather industry, in ink manufacturing, as a mordant in textile dyeing and printing, and as a raw material for industrial water treatment agents.
Technical Specifications:
Content (on dry basis) ≥98.0%
Loss on drying ≤8.0%
Residue on ignition ≤1.0%
pH of aqueous solution (1:10) 2.5~3.5
Heavy metals (as Pb) ≤0.002%
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常见问题
- 单宁酸的 CAS 号是多少？
- 单宁酸的 CAS 号是 1401-55-4。
- 单宁酸的分子式和分子量是什么？
- 单宁酸的分子式为 C76H52O46。
- 单宁酸的英文名称是什么？
- 单宁酸的英文名称为 Tannic acid。
- 单宁酸还有哪些别名？
- 单宁酸又称 鞣酸、丹宁酸、没食子鞣酸。
- 单宁酸有哪些供应商和生产厂家？
- 掌上化工当前收录 1 条单宁酸供应报价，来自 1 家供应商，可按地区、纯度、级别筛选对比。
- 单宁酸的供应商主要分布在哪些地区？
- 单宁酸的供应商主要分布在 上海市（1 条） 等地。
- 单宁酸有哪些级别可选？
- 平台上单宁酸的供应级别包括 工业级。
- 单宁酸的报价单位是什么？
- 单宁酸的报价单位主要有 千克。
- 哪里可以查到单宁酸的价格？
- 掌上化工单宁酸产品页汇总了各供应商的最新报价与规格，地址：/chemicals/1401-55-4/。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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