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间甲酚紫钠盐
Metacresol Purple Sodium Salt
产品价格查看更多规格...
| 产品编号 | 包装单位 | 单价(元) | 国内现货 | 国外库存 | 询价单 |
| 3022406 | 1g | 432 | 2-5天 | 4-6周 | |
| 3022406 | 5g | 1280 | 2-5天 | 4-6周 |
产品别名
62625-31-4
间甲酚紫钠盐
Metacresol Purple Sodium Salt
m-Cresol Purple Sodium Salt
Sodium m-Cresol Purple
Sodium Metacresol Purple
结构式
基本信息
| 分子式 | C21H17NaO5S |
| 分子量 | 404.41 |
| 外观与形状(20℃) | 固体 |
| PubChem物质ID | 87575672 |
| MDL编号 | MFCD00010177 |
| Appearance【外观】 | Red to Dark blue to Black powder to crystal |
| Lambda max. | 434.0 to 437.0nm(KH2PO4?NaOH pH 7 buffer sol.) |
| Absorbance(E1%1cm) | min. 350(10mg/L, 434.0 to 437.0nm(KH2PO4?NaOH pH 7 buffer sol., 434.0 to 437.0nm) |
| Solubility in Water | almost transparency |
| Ignition residue(Sulfate) | 17.2 to 19.5 %(after drying) |
| Drying loss | max. 3.0 % |
| Transition interval(pH) | (red)1.2 to 2.8(yellow) , (yellow)7.4 to 9.0(purple) |
