荧光素 (CAS No.2321-07-5)
- 物化性质
- 橙黄色至红色结晶粉末，无臭无味。微溶于水，溶于乙醇、乙醚和稀碱溶液，在碱性溶液中呈绿色荧光。熔点314-316°C（分解），最大吸收波长约490nm。
- 纯度
- ≥99%
- 熔点
- 314-316°C（分解）
- 外观
- 橙黄色至红色结晶粉末
- 溶解性
- 微溶于水，溶于乙醇、乙醚和稀碱溶液
English description（英文原文，共 1005 字符）
Product Name:Fluorescein
English Name:Fluorescein
CAS No.:2321-07-5
Aliases:Fluorescein Yellow, Acid Yellow 73, Solvent Yellow 94, Orange Red
Molecular Formula:C20H12O5
Physical Properties:Orange-yellow to red crystalline powder, odorless and tasteless. Slightly soluble in water, soluble in ethanol, ether, and dilute alkali solutions, showing green fluorescence in alkaline solution. Melting point 314-316°C (decomposition), maximum absorption wavelength about 490 nm.
Uses:Commonly used as a fluorescent indicator and biological stain for fluorescence microscopy and tracing studies. Also used in synthetic dyes, pharmaceutical intermediates, and cosmetic additives.
Technical Specifications:
Purity: ≥99%
Melting point: 314-316°C (decomposition)
Appearance: orange-yellow to red crystalline powder
Solubility: slightly soluble in water, soluble in ethanol, ether, and dilute alkali solutions
Fluorescence: green fluorescence in alkaline solution, maximum excitation wavelength about 490 nm
English Name:Fluorescein
CAS No.:2321-07-5
Aliases:Fluorescein Yellow, Acid Yellow 73, Solvent Yellow 94, Orange Red
Molecular Formula:C20H12O5
Physical Properties:Orange-yellow to red crystalline powder, odorless and tasteless. Slightly soluble in water, soluble in ethanol, ether, and dilute alkali solutions, showing green fluorescence in alkaline solution. Melting point 314-316°C (decomposition), maximum absorption wavelength about 490 nm.
Uses:Commonly used as a fluorescent indicator and biological stain for fluorescence microscopy and tracing studies. Also used in synthetic dyes, pharmaceutical intermediates, and cosmetic additives.
Technical Specifications:
Purity: ≥99%
Melting point: 314-316°C (decomposition)
Appearance: orange-yellow to red crystalline powder
Solubility: slightly soluble in water, soluble in ethanol, ether, and dilute alkali solutions
Fluorescence: green fluorescence in alkaline solution, maximum excitation wavelength about 490 nm
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常见问题
- 荧光素的 CAS 号是多少？
- 荧光素的 CAS 号是 2321-07-5。
- 荧光素的分子式和分子量是什么？
- 荧光素的分子式为 C20H12O5。
- 荧光素的英文名称是什么？
- 荧光素的英文名称为 Fluorescein。
- 荧光素还有哪些别名？
- 荧光素又称 荧光黄、酸性黄73、溶剂黄94、橙红。
- 荧光素有哪些供应商和生产厂家？
- 掌上化工当前收录 1 条荧光素供应报价，来自 1 家供应商，可按地区、纯度、级别筛选对比。
- 荧光素的供应商主要分布在哪些地区？
- 荧光素的供应商主要分布在 上海市（1 条） 等地。
- 荧光素有哪些级别可选？
- 平台上荧光素的供应级别包括 工业级。
- 荧光素的报价单位是什么？
- 荧光素的报价单位主要有 千克。
- 哪里可以查到荧光素的价格？
- 掌上化工荧光素产品页汇总了各供应商的最新报价与规格，地址：/chemicals/2321-07-5/。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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