甲基红钾盐, pure indicator
: 4-二甲氨基偶氮苯-2′-羧酸
:845-10-3
:
:C₁₅H₁₄N₃NaO₂
:MFCD00002426
:291.28 g/mol
:13,06142
:? 180 °C
:Ambient
:212-682-9
- Environmentally Preferable:
- Appearance:Red to brown Powder
- Infrared spectrum:Conforms
- Solubility:(0.1% in water) clear to faint turbid solution
- Visual transition interval:from pH 4.2 (red) to pH 6.2 (yellow)