甲基红, pure indicator
供应商: Thermo Fisher Scientific
Synonyms:
2-[[4-(二甲基氨基)苯基]偶氮基]苯甲酸, 4-二甲氨基偶氮苯-2′-羧酸, 酸性红 2
264440250
264441000
ACRO264440250EA
0
CNY
ACRO264440250
ACRO264441000
甲基红, pure indicator
甲基红
分子式:
C₁₅H₁₅N₃O₂ 分子量: 269.3 g/mol 溶点: 178…182 °C 存储条件: Ambient |
MDL编号:
MFCD00002425 CAS号: 493-52-7 EINECS: 207-776-1 Merck Index: 12,06199 |
产品技术规格
Appearance | Dark red to brown to purple to violet Powder or crystals |
Infrared spectrum | Conforms |
Melting point | 178 to 182 °C |
Solubility | (0.1 % in ethanol) Clear |
Specific extinction E (1%/1cm) | ≥650 (430 nm, in buffer) |
Visual transition interval | from pH 4.2 (pink or red) to pH 6.2 (yellow) |
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