茜素红 S (CAS No.130-22-3)
- 物化性质
- 橙黄色至橙红色结晶粉末。易溶于水，水溶液呈浅黄色，微溶于乙醇，不溶于苯和氯仿。在酸性介质中呈黄色，在碱性介质中呈紫色，pH变色范围3.7～5.2。
- 技术参数
- 含量（以干基计）≥95% 外观为橙黄色至橙红色粉末 水溶解试验合格 水溶液最大吸收波长（λmax）约423 nm 干燥失重≤5%
English description（英文原文，共 1000 字符）
Product Name:Alizarin Red S
English Name:Alizarin Red S
CAS No.:130-22-3
Aliases:Alizarin Red S, Alizarinsulfonic acid sodium salt, Acid Alizarin Red, Sodium 3,4-dihydroxy-9,10-dioxo-2-anthracenesulfonate
Molecular Formula:C14H7NaO7S
Physical Properties:Orange-yellow to orange-red crystalline powder. Freely soluble in water giving a light yellow solution, slightly soluble in ethanol, insoluble in benzene and chloroform. It appears yellow in acidic media and violet in alkaline media, with a pH transition range of 3.7–5.2.
Uses:Used as an acid-base indicator and applicable to colorimetric reactions and analysis of metal ions such as aluminum, calcium, and zirconium. Also used for bone cell staining in histology, as a dye, and as a biochemical reagent.
Technical Specifications:
Content (on dry basis) ≥95%
Appearance: orange-yellow to orange-red powder
Water solubility test: passes
Maximum absorption wavelength (λmax) in aqueous solution: approximately 423 nm
Loss on drying ≤5%
English Name:Alizarin Red S
CAS No.:130-22-3
Aliases:Alizarin Red S, Alizarinsulfonic acid sodium salt, Acid Alizarin Red, Sodium 3,4-dihydroxy-9,10-dioxo-2-anthracenesulfonate
Molecular Formula:C14H7NaO7S
Physical Properties:Orange-yellow to orange-red crystalline powder. Freely soluble in water giving a light yellow solution, slightly soluble in ethanol, insoluble in benzene and chloroform. It appears yellow in acidic media and violet in alkaline media, with a pH transition range of 3.7–5.2.
Uses:Used as an acid-base indicator and applicable to colorimetric reactions and analysis of metal ions such as aluminum, calcium, and zirconium. Also used for bone cell staining in histology, as a dye, and as a biochemical reagent.
Technical Specifications:
Content (on dry basis) ≥95%
Appearance: orange-yellow to orange-red powder
Water solubility test: passes
Maximum absorption wavelength (λmax) in aqueous solution: approximately 423 nm
Loss on drying ≤5%
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常见问题
- 茜素红 S的 CAS 号是多少？
- 茜素红 S的 CAS 号是 130-22-3。
- 茜素红 S的分子式和分子量是什么？
- 茜素红 S的分子式为 C14H7NaO7S。
- 茜素红 S的英文名称是什么？
- 茜素红 S的英文名称为 Alizarin Red S。
- 茜素红 S还有哪些别名？
- 茜素红 S又称 茜素红S、茜素磺酸钠、酸性茜素红、3,4-二羟基-9,10-二氧代-2-蒽磺酸钠盐。
- 茜素红 S有哪些供应商和生产厂家？
- 掌上化工当前收录 1 条茜素红 S供应报价，来自 1 家供应商，可按地区、纯度、级别筛选对比。
- 茜素红 S的供应商主要分布在哪些地区？
- 茜素红 S的供应商主要分布在 上海市（1 条） 等地。
- 茜素红 S有哪些级别可选？
- 平台上茜素红 S的供应级别包括 工业级。
- 茜素红 S的报价单位是什么？
- 茜素红 S的报价单位主要有 千克。
- 哪里可以查到茜素红 S的价格？
- 掌上化工茜素红 S产品页汇总了各供应商的最新报价与规格，地址：/chemicals/130-22-3/。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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