溴酚蓝 (CAS No.34725-61-6)
- 物化性质
- 深紫色或蓝紫色结晶粉末,易溶于水,溶于乙醇和乙醚,微溶于丙酮,不溶于苯。水溶液呈蓝色,在酸性条件下呈黄色,pH变色范围3.0~4.6(黄至蓝紫)。
- 外观
- 深紫色或蓝紫色结晶粉末
- 溶解性
- 易溶于水,溶于乙醇和乙醚,微溶于丙酮,不溶于苯
English description(英文原文,共 1096 字符)
Product Name:Bromophenol Blue Sodium Salt
English Name:Bromophenol Blue Sodium Salt
CAS No.:34725-61-6
Aliases:Sodium bromophenol blue, Bromophenol blue indicator
Molecular Formula:C19H11Br4NaO5S
Physical Properties:Dark purple or bluish-purple crystalline powder. Freely soluble in water, soluble in ethanol and ether, slightly soluble in acetone, insoluble in benzene. The aqueous solution is blue and turns yellow under acidic conditions; pH transition range 3.0–4.6 (yellow to bluish-purple).
Uses:Commonly used as an acid-base indicator, prepared as a 0.04% aqueous solution for titrimetric analysis. Also used as a visualization reagent in thin-layer chromatography, a tracking dye for protein electrophoresis, and for detection of metal ions such as mercury and lead.
Technical Specifications:
Appearance: dark purple or bluish-purple crystalline powder
pH transition range: 3.0–4.6 (yellow to bluish-purple)
Assay (on dry basis): ≥95%
Solubility: freely soluble in water, soluble in ethanol and ether, slightly soluble in acetone, insoluble in benzene
Molecular weight: 693.96
English Name:Bromophenol Blue Sodium Salt
CAS No.:34725-61-6
Aliases:Sodium bromophenol blue, Bromophenol blue indicator
Molecular Formula:C19H11Br4NaO5S
Physical Properties:Dark purple or bluish-purple crystalline powder. Freely soluble in water, soluble in ethanol and ether, slightly soluble in acetone, insoluble in benzene. The aqueous solution is blue and turns yellow under acidic conditions; pH transition range 3.0–4.6 (yellow to bluish-purple).
Uses:Commonly used as an acid-base indicator, prepared as a 0.04% aqueous solution for titrimetric analysis. Also used as a visualization reagent in thin-layer chromatography, a tracking dye for protein electrophoresis, and for detection of metal ions such as mercury and lead.
Technical Specifications:
Appearance: dark purple or bluish-purple crystalline powder
pH transition range: 3.0–4.6 (yellow to bluish-purple)
Assay (on dry basis): ≥95%
Solubility: freely soluble in water, soluble in ethanol and ether, slightly soluble in acetone, insoluble in benzene
Molecular weight: 693.96
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常见问题
- 溴酚蓝的 CAS 号是多少?
- 溴酚蓝的 CAS 号是 34725-61-6。
- 溴酚蓝的分子式和分子量是什么?
- 溴酚蓝的分子式为 C19H11Br4NaO5S,分子量约 693.96 English Version。
- 溴酚蓝的英文名称是什么?
- 溴酚蓝的英文名称为 Bromophenol Blue Sodium Salt。
- 溴酚蓝还有哪些别名?
- 溴酚蓝又称 溴酚蓝钠盐、溴酚蓝指示剂、四溴苯酚磺酞钠盐。
- 溴酚蓝有哪些供应商和生产厂家?
- 掌上化工当前收录 1 条溴酚蓝供应报价,来自 1 家供应商,可按地区、纯度、级别筛选对比。
- 溴酚蓝的供应商主要分布在哪些地区?
- 溴酚蓝的供应商主要分布在 上海市(1 条) 等地。
- 溴酚蓝有哪些级别可选?
- 平台上溴酚蓝的供应级别包括 工业级。
- 溴酚蓝的报价单位是什么?
- 溴酚蓝的报价单位主要有 千克。
- 哪里可以查到溴酚蓝的价格?
- 掌上化工溴酚蓝产品页汇总了各供应商的最新报价与规格,地址:/chemicals/34725-61-6/。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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