供货周期: | 现货 |
品牌: | Sigma-Aldrich |
型号: | AR级别,99% |
货号: | C100174 |
Product Name: Congo red
别名: | 二苯基-4,4-二[(偶氮-2)-1-氨基萘-4-磺酸钠; 刚果红C.I.22120; 棉红; 直接大红; 3,3'-[[1,1'-联苯]-4,4'-基双(偶氮)]双(4-氨基萘-1-磺酸)二钠 |
CAS号: | 573-58-0 |
分子式: | C32H22N6Na2O6S2 |
分子量: | 696.66 |
EINECS编号: | 209-358-4 |
MDL号: | MFCD00004028 |
介绍: | 溶于水呈黄红色,溶于水呈黄红色,溶于乙醇呈橙色,极微溶于丙酮,几乎不溶于乙醚。最大吸收波长(pH7.3)488nm(E1cm1%) 595。半数致死量(大鼠,静脉)190mg/kg。 |
用途: | 酸碱指示剂[pH3.0(蓝紫)-5.0(红)],吸附指示剂,沉淀蛋白质,检测胃液中的游离盐酸、胚胎切片、植物粘蛋白、纤维素、弹性组织等染色,测定硼酸、氰化物和盐酸等。 |
贮存: | 密封保存。 |
敏感性: | 对湿度敏感 |
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