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

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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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