赤藓红B (CAS No.16423-68-0)
- 物化性质
- 深红色至棕色细粉，熔点142~144℃。密度0.98 g/cm³，堆积密度470 kg/m³，蒸气压0 Pa(25℃)，闪点285℃。可溶于水，溶解度为100 g/L。pH值6-7(10 g/L水溶液，20℃)，pKa 4.1。最大吸收波长525 nm。性质稳定，与强氧化剂不相容。
- 熔点
- 142~144℃
- 密度
- 0.98 g/cm³，堆积密度：470 kg/m³
- 闪点
- 285℃
English description（英文原文，共 1165 字符）
Product Name:Erythrosine B
English Name:Erythrosine B
CAS No.:16423-68-0
Aliases:Tetraiodofluorescein disodium salt, Food Red 14, Erythrosine
Molecular Formula:C20H6I4Na2O5
Physical Properties:Dark red to brown fine powder; melting point 142–144°C. Density 0.98 g/cm³, bulk density 470 kg/m³; vapor pressure 0 Pa at 25°C; flash point 285°C. Soluble in water with solubility of 100 g/L. pH 6–7 (10 g/L aqueous solution, 20°C), pKa 4.1. Maximum absorption wavelength 525 nm. Stable, incompatible with strong oxidizing agents.
Uses:Erythrosine B is a red tetraiodofluorescein dye widely used for coloring foods, beverages, confectionery, cosmetics, and pharmaceuticals. It is also used as a tissue staining agent and fluorescent tracer in biomedical research. Additionally, it is applied in the preparation of optoelectronic materials, inks, and coatings, and can serve as a chemical analytical indicator.
Technical Specifications:
Melting point: 142–144°C
Density: 0.98 g/cm³; bulk density: 470 kg/m³
Flash point: 285°C
Solubility: soluble in water, 100 g/L
UV absorption: λmax 525 nm; molar extinction coefficient ≥13000 (308–312 nm), ≥32000 (259–263 nm)
English Name:Erythrosine B
CAS No.:16423-68-0
Aliases:Tetraiodofluorescein disodium salt, Food Red 14, Erythrosine
Molecular Formula:C20H6I4Na2O5
Physical Properties:Dark red to brown fine powder; melting point 142–144°C. Density 0.98 g/cm³, bulk density 470 kg/m³; vapor pressure 0 Pa at 25°C; flash point 285°C. Soluble in water with solubility of 100 g/L. pH 6–7 (10 g/L aqueous solution, 20°C), pKa 4.1. Maximum absorption wavelength 525 nm. Stable, incompatible with strong oxidizing agents.
Uses:Erythrosine B is a red tetraiodofluorescein dye widely used for coloring foods, beverages, confectionery, cosmetics, and pharmaceuticals. It is also used as a tissue staining agent and fluorescent tracer in biomedical research. Additionally, it is applied in the preparation of optoelectronic materials, inks, and coatings, and can serve as a chemical analytical indicator.
Technical Specifications:
Melting point: 142–144°C
Density: 0.98 g/cm³; bulk density: 470 kg/m³
Flash point: 285°C
Solubility: soluble in water, 100 g/L
UV absorption: λmax 525 nm; molar extinction coefficient ≥13000 (308–312 nm), ≥32000 (259–263 nm)
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常见问题
- 赤藓红B的 CAS 号是多少？
- 赤藓红B的 CAS 号是 16423-68-0。
- 赤藓红B的分子式和分子量是什么？
- 赤藓红B的分子式为 C20H6I4Na2O5。
- 赤藓红B的英文名称是什么？
- 赤藓红B的英文名称为 Erythrosine B。
- 赤藓红B还有哪些别名？
- 赤藓红B又称 四碘荧光素钠盐、食用红14号、赤藓红。
- 赤藓红B有哪些供应商和生产厂家？
- 掌上化工当前收录 1 条赤藓红B供应报价，来自 1 家供应商，可按地区、纯度、级别筛选对比。
- 赤藓红B的供应商主要分布在哪些地区？
- 赤藓红B的供应商主要分布在 上海市（1 条） 等地。
- 赤藓红B有哪些级别可选？
- 平台上赤藓红B的供应级别包括 工业级。
- 赤藓红B的报价单位是什么？
- 赤藓红B的报价单位主要有 千克。
- 哪里可以查到赤藓红B的价格？
- 掌上化工赤藓红B产品页汇总了各供应商的最新报价与规格，地址：/chemicals/16423-68-0/。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。
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