间甲酚紫 (CAS No.2303-01-7)
- 物化性质
- 棕绿色细小结晶性粉末，易溶于乙醇、甲醇、冰乙酸和碱溶液，在乙酸中呈黄色溶液，稀碱液和氨水中呈红紫色，微溶于水，不溶于乙醚、苯、氯仿、四氯化碳和乙酸乙酯。密度1.32g/cm³，沸点571.3°C（760 mmHg），闪点205.3°C，最大吸收波长579（371）nm。
- 纯度
- 99%
- 外观
- 棕绿色细小结晶性粉末
- 密度
- 1.32g/cm³
- 沸点
- 571.3°C（760 mmHg）
English description（英文原文，共 991 字符）
Product Name:m-Cresol Purple
English Name:m-Cresol Purple
CAS No.:2303-01-7
Aliases:m-Cresolsulfonphthalein
Molecular Formula:C21H18O5S
Physical Properties:Brownish-green fine crystalline powder; easily soluble in ethanol, methanol, glacial acetic acid and alkali solutions; yellow in acetic acid solution, reddish purple in dilute alkali and ammonia; slightly soluble in water; insoluble in ether, benzene, chloroform, carbon tetrachloride and ethyl acetate. Density 1.32 g/cm³, boiling point 571.3°C at 760 mmHg, flash point 205.3°C, maximum absorption wavelength 579 (371) nm.
Uses:Used as an acid-base indicator with two transition ranges: pH 1.2 (red) to 2.8 (yellow) and pH 7.4 (yellow) to 9.0 (purple-red). Also used in biochemical analysis and as a chromogenic reagent.
Technical Specifications:
Purity: 99%
Appearance: brownish-green fine crystalline powder
Density: 1.32 g/cm³
Boiling point: 571.3°C (760 mmHg)
Quality standard: meets CP, BP, USP and national standards
English Name:m-Cresol Purple
CAS No.:2303-01-7
Aliases:m-Cresolsulfonphthalein
Molecular Formula:C21H18O5S
Physical Properties:Brownish-green fine crystalline powder; easily soluble in ethanol, methanol, glacial acetic acid and alkali solutions; yellow in acetic acid solution, reddish purple in dilute alkali and ammonia; slightly soluble in water; insoluble in ether, benzene, chloroform, carbon tetrachloride and ethyl acetate. Density 1.32 g/cm³, boiling point 571.3°C at 760 mmHg, flash point 205.3°C, maximum absorption wavelength 579 (371) nm.
Uses:Used as an acid-base indicator with two transition ranges: pH 1.2 (red) to 2.8 (yellow) and pH 7.4 (yellow) to 9.0 (purple-red). Also used in biochemical analysis and as a chromogenic reagent.
Technical Specifications:
Purity: 99%
Appearance: brownish-green fine crystalline powder
Density: 1.32 g/cm³
Boiling point: 571.3°C (760 mmHg)
Quality standard: meets CP, BP, USP and national standards
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常见问题
- 间甲酚紫的 CAS 号是多少？
- 间甲酚紫的 CAS 号是 2303-01-7。
- 间甲酚紫的分子式和分子量是什么？
- 间甲酚紫的分子式为 C21H18O5S。
- 间甲酚紫的英文名称是什么？
- 间甲酚紫的英文名称为 m-Cresol Purple。
- 间甲酚紫还有哪些别名？
- 间甲酚紫又称 间甲苯酚紫、间甲酚磺酞。
- 间甲酚紫有哪些供应商和生产厂家？
- 掌上化工当前收录 1 条间甲酚紫供应报价，来自 1 家供应商，可按地区、纯度、级别筛选对比。
- 间甲酚紫的供应商主要分布在哪些地区？
- 间甲酚紫的供应商主要分布在 上海市（1 条） 等地。
- 间甲酚紫有哪些级别可选？
- 平台上间甲酚紫的供应级别包括 工业级。
- 间甲酚紫的报价单位是什么？
- 间甲酚紫的报价单位主要有 千克。
- 哪里可以查到间甲酚紫的价格？
- 掌上化工间甲酚紫产品页汇总了各供应商的最新报价与规格，地址：/chemicals/2303-01-7/。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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