甲酚红 (CAS No.1733-12-6)
- 物化性质
- 红棕色结晶性粉末，微溶于水，易溶于乙醇和稀碱溶液，溶于稀酸。熔点约290℃（分解）。
- 外观
- 红棕色结晶性粉末
- 熔点
- 约290℃（分解）
- 溶解性
- 微溶于水，易溶于乙醇和稀碱溶液
English description（英文原文，共 910 字符）
Product Name:Cresol Red
English Name:Cresol Red
CAS No.:1733-12-6
Aliases:o-Cresolsulfonphthalein, Cresolsulfonphthalein, CR
Molecular Formula:C21H18O5S
Physical Properties:Reddish-brown crystalline powder; slightly soluble in water, freely soluble in ethanol and dilute alkali solutions, soluble in dilute acids. Melting point approximately 290°C (decomposes).
Uses:Mainly used as an acid-base indicator, changing from yellow to purplish-red over the pH range of 7.2-8.8. Also employed in biochemical analysis and titration as a chromogenic reagent, and as a colorimetric reagent for certain metal ions.
Technical Specifications:
Appearance: Reddish-brown crystalline powder
Assay (dry basis): ≥95%
Melting point: approximately 290°C (decomposes)
Transition range: pH 7.2-8.8, from yellow to purplish-red
Solubility: Slightly soluble in water, freely soluble in ethanol and dilute alkali solutions
English Name:Cresol Red
CAS No.:1733-12-6
Aliases:o-Cresolsulfonphthalein, Cresolsulfonphthalein, CR
Molecular Formula:C21H18O5S
Physical Properties:Reddish-brown crystalline powder; slightly soluble in water, freely soluble in ethanol and dilute alkali solutions, soluble in dilute acids. Melting point approximately 290°C (decomposes).
Uses:Mainly used as an acid-base indicator, changing from yellow to purplish-red over the pH range of 7.2-8.8. Also employed in biochemical analysis and titration as a chromogenic reagent, and as a colorimetric reagent for certain metal ions.
Technical Specifications:
Appearance: Reddish-brown crystalline powder
Assay (dry basis): ≥95%
Melting point: approximately 290°C (decomposes)
Transition range: pH 7.2-8.8, from yellow to purplish-red
Solubility: Slightly soluble in water, freely soluble in ethanol and dilute alkali solutions
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常见问题
- 甲酚红的 CAS 号是多少？
- 甲酚红的 CAS 号是 1733-12-6。
- 甲酚红的分子式和分子量是什么？
- 甲酚红的分子式为 C21H18O5S。
- 甲酚红的英文名称是什么？
- 甲酚红的英文名称为 Cresol Red。
- 甲酚红还有哪些别名？
- 甲酚红又称 邻甲酚磺酞、邻甲酚磺酸酞、CR。
- 甲酚红有哪些供应商和生产厂家？
- 掌上化工当前收录 1 条甲酚红供应报价，来自 1 家供应商，可按地区、纯度、级别筛选对比。
- 甲酚红的供应商主要分布在哪些地区？
- 甲酚红的供应商主要分布在 上海市（1 条） 等地。
- 甲酚红有哪些级别可选？
- 平台上甲酚红的供应级别包括 工业级。
- 甲酚红的报价单位是什么？
- 甲酚红的报价单位主要有 千克。
- 哪里可以查到甲酚红的价格？
- 掌上化工甲酚红产品页汇总了各供应商的最新报价与规格，地址：/chemicals/1733-12-6/。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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