碱性红 2 (CAS No.477-73-6)
- 物化性质
- 暗红色或深红色粉末，溶于水呈红色溶液，溶于乙醇呈红色。具有荧光性，遇浓硫酸呈绿色，稀释后呈红色。熔点约250°C（分解），密度约1.0 g/cm³（估算值）。
- 熔点
- 约250°C（分解）
- 溶解性
- 溶于水、乙醇，微溶于乙醚
- 外观
- 暗红色或深红色粉末
English description（英文原文，共 936 字符）
Product Name:Basic Red 2
English Name:Basic Red 2
CAS No.:477-73-6
Aliases:Basic Red 2, Safranine O, Safranin O, Basic Red 2 dye
Molecular Formula:C20H19ClN4
Physical Properties:Dark red or deep red powder, soluble in water and ethanol producing red solutions. Exhibits fluorescence; turns green in concentrated sulfuric acid and red upon dilution. Melting point approximately 250°C (decomposition); estimated density about 1.0 g/cm³.
Uses:Primarily used for dyeing cotton, linen, paper, and leather, as well as for biological tissue staining, such as Safranin O for nuclear staining. Also employed as a redox indicator in analytical chemistry.
Technical Specifications:
Molecular weight: 350.85
Melting point: approximately 250°C (decomposition)
Solubility: soluble in water and ethanol, slightly soluble in diethyl ether
Appearance: dark red or deep red powder
Dyeing performance: affinity for cellulose and protein fibers
English Name:Basic Red 2
CAS No.:477-73-6
Aliases:Basic Red 2, Safranine O, Safranin O, Basic Red 2 dye
Molecular Formula:C20H19ClN4
Physical Properties:Dark red or deep red powder, soluble in water and ethanol producing red solutions. Exhibits fluorescence; turns green in concentrated sulfuric acid and red upon dilution. Melting point approximately 250°C (decomposition); estimated density about 1.0 g/cm³.
Uses:Primarily used for dyeing cotton, linen, paper, and leather, as well as for biological tissue staining, such as Safranin O for nuclear staining. Also employed as a redox indicator in analytical chemistry.
Technical Specifications:
Molecular weight: 350.85
Melting point: approximately 250°C (decomposition)
Solubility: soluble in water and ethanol, slightly soluble in diethyl ether
Appearance: dark red or deep red powder
Dyeing performance: affinity for cellulose and protein fibers
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常见问题
- 碱性红 2的 CAS 号是多少？
- 碱性红 2的 CAS 号是 477-73-6。
- 碱性红 2的分子式和分子量是什么？
- 碱性红 2的分子式为 C20H19ClN4，分子量约 350.85。
- 碱性红 2的英文名称是什么？
- 碱性红 2的英文名称为 Basic Red 2。
- 碱性红 2还有哪些别名？
- 碱性红 2又称 碱性红2、盐基品红、碱性品红、红胺、沙黄、番红O。
- 碱性红 2有哪些供应商和生产厂家？
- 掌上化工当前收录 1 条碱性红 2供应报价，来自 1 家供应商，可按地区、纯度、级别筛选对比。
- 碱性红 2的供应商主要分布在哪些地区？
- 碱性红 2的供应商主要分布在 上海市（1 条） 等地。
- 碱性红 2有哪些级别可选？
- 平台上碱性红 2的供应级别包括 工业级。
- 碱性红 2的报价单位是什么？
- 碱性红 2的报价单位主要有 千克。
- 哪里可以查到碱性红 2的价格？
- 掌上化工碱性红 2产品页汇总了各供应商的最新报价与规格，地址：/chemicals/477-73-6/。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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