刚果红 (CAS No.573-58-0)
- 物化性质
- 暗红色或棕色结晶粉末，溶于水呈红色，微溶于乙醇，不溶于乙醚。在盐酸中呈蓝色，在氢氧化钠溶液中呈红色。
- 纯度
- ≥99%
- 外观
- 暗红色或棕色结晶粉末
- 溶解性
- 溶于水，微溶于乙醇，不溶于乙醚
English description（英文原文，共 847 字符）
Product Name:Congo Red
English Name:Congo Red
CAS No.:573-58-0
Aliases:Direct Red 28, Cotton Red, Direct Scarlet 4B
Molecular Formula:C32H22N6Na2O6S2
Physical Properties:Dark red or brown crystalline powder, soluble in water forming a red solution, slightly soluble in ethanol, insoluble in ether. Turns blue in hydrochloric acid and red in sodium hydroxide solution.
Uses:Used as an acid-base indicator with a pH transition range of 3.0-5.0, changing from blue-violet to red; also used for biological tissue staining, textile dyeing, and laboratory analytical reagents.
Technical Specifications:
Purity: ≥99%
Appearance: dark red or brown crystalline powder
pH transition range: 3.0-5.0 (blue-violet to red)
Solubility: soluble in water, slightly soluble in ethanol, insoluble in ether
Packaging: in compliance with national standards
English Name:Congo Red
CAS No.:573-58-0
Aliases:Direct Red 28, Cotton Red, Direct Scarlet 4B
Molecular Formula:C32H22N6Na2O6S2
Physical Properties:Dark red or brown crystalline powder, soluble in water forming a red solution, slightly soluble in ethanol, insoluble in ether. Turns blue in hydrochloric acid and red in sodium hydroxide solution.
Uses:Used as an acid-base indicator with a pH transition range of 3.0-5.0, changing from blue-violet to red; also used for biological tissue staining, textile dyeing, and laboratory analytical reagents.
Technical Specifications:
Purity: ≥99%
Appearance: dark red or brown crystalline powder
pH transition range: 3.0-5.0 (blue-violet to red)
Solubility: soluble in water, slightly soluble in ethanol, insoluble in ether
Packaging: in compliance with national standards
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常见问题
- 刚果红的 CAS 号是多少？
- 刚果红的 CAS 号是 573-58-0。
- 刚果红的分子式和分子量是什么？
- 刚果红的分子式为 C32H22N6Na2O6S2。
- 刚果红的英文名称是什么？
- 刚果红的英文名称为 Congo Red。
- 刚果红还有哪些别名？
- 刚果红又称 直接红28、棉红、直接大红4B。
- 刚果红有哪些供应商和生产厂家？
- 掌上化工当前收录 1 条刚果红供应报价，来自 1 家供应商，可按地区、纯度、级别筛选对比。
- 刚果红的供应商主要分布在哪些地区？
- 刚果红的供应商主要分布在 上海市（1 条） 等地。
- 刚果红有哪些级别可选？
- 平台上刚果红的供应级别包括 工业级。
- 刚果红的报价单位是什么？
- 刚果红的报价单位主要有 千克。
- 哪里可以查到刚果红的价格？
- 掌上化工刚果红产品页汇总了各供应商的最新报价与规格，地址：/chemicals/573-58-0/。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。
以上信息由平台根据收录的产品数据自动生成，数据更新时间 。 价格与库存由供应商自行发布，实际交易请以询价结果为准。
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