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折扣/货期| 货号：CDX-E0273-G025 | 规格：25 g | 目录价：￥882 |
产品详情
* 以下信息仅供参考，详情请以原厂网站为准
产品名称:
Erythrosine B sodium salt
别名:
2',4',5',7'-Tetraiodofluorescein disodium salt; C.I. 45430; C.I. Acid Red 51; Erythrosin Bluish; Erythrosine Extra Pure A; Tetraiodofluorescein sodium salt; E 127; Erythrosine I; Red 1799; Erythrosine Red 3
产品描述:
Erythrosine B sodium salt is a xanthene-based red fluorescent dye commonly used as biological stain, food colorant, color additive in pharmaceuticals and cosmetics, as printing ink, dental plaque disclosing agent, and photodynamic agent (photosensitizer) in biochemical and analytical applications. The compound absorbs strongly in the visible spectrum (lambdamax ~ 524-530nm) and exhibits red to pink fluorescence, making it useful in fluorescence microscopy, protein staining and cell viability assays. Its use as a sensor for spectrofluorimetric and spectrophotometric analysis of amine-based pharmaceuticals renders many advantages because of its availability, low cost, rapid labeling, and high sensitivity. It has been used in the colorimetric and fluorescent determination of protein concentrations in vitro. Erythrosine B sodium salt is preferred for aqueous-based biological applications, due to its water-solubility. Spectral Data: lambdaex 524-530nm, lambdaex 545-570nm.
宿主来源:
Synthetic
保存温度:
+20°C
运输温度:
Ambient
预期分子量:
879.86
产品形式:
solid
产地:
瑞士
纯度:
>85% (Dye content)
CAS号:
16423-68-0
分子式:
C20H6I4O5 . 2Na
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