| 敏感性 | 对湿度敏感 |
| 溶解性 | Soluble in water (390 g/L at 20°C), and ethanol. |
| 存贮条件 | 密封保存。 |
| 应用 | 生物学染色剂，组织学用于上皮细胞、肌肉纤维和细胞核染色。 |
| 产品介绍 | 易溶于水，溶液呈绿色荧光，能溶于醇 |
| 生化机理 | Eosin B is a xanthene dye and is also referred to as eosin bluish or erythrosin B. It is used in the Harris stain for Negri bodies. Eosin B is also used in Mayer’s Hemalum as a counterstain for collagen. Eosin B-Azure A are used together for the staining of cell granules, nuclei and microorganisms. It can also be used for protein estimation. The protein - eosin B complex absorbs at wavelength range of 536–544nm and the change in blue shift helps in determining the protein concentration. |
| 别名 | 曙红B;铬变素2B，蓝光曙红，伊红B, 4',5'-二溴-3',6'-二羟 基-2',7'-二硝基螺(异苯并呋喃-1(3H),9'-(9H)占吨)-3-酮二钠盐,二溴二硝基荧光素二钠，酸性红91;4′,5′-Dibromo-2′,7′-dinitrofluorescein disodium salt;Acid Red 91;Eosin bluishEosin ScarletSaffrosineImperial Red |
曙红B
Eosin B （订货以英文为准）
编号：E100232
CAS号：548-24-3
分子式：C20H9BR2N2NAO9
分子量：604.09
| 产品名称 | Eosin B |
| 中文名称 | 曙红B |
| CAS号 | 548-24-3 |
| 分子式（M.F.） | C20H9BR2N2NAO9 |
| 分子量（M.W.） | 604.09 |
| 标识符号 | https://www.aladdin-e.com/images/ghs/ghs05.jpg,https://www.aladdin-e.com/images/ghs/ghs07.jpg,https://www.aladdin-e.com/images/ghs/ghs08.jpg,https://www.aladdin-e.com/images/ghs/ghs09.jpg |
| 信号词 | Danger |
| 危害声明 | H302,H315,H318,H341,H410 |
| 警示性声明 | P273,P280,P305+P351+P338,P501 |
| 个人防护设备 | Gloves |
| RTECS | ST3380000 |
| WGK德国 | 2 |
| 风险声明 (欧洲) | R50/53; |
| 安全声明（欧洲） | S61/; |
| 危害码（欧洲） | N |
| UN代码 | 3077 |
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