Methyl red, pure indicator
Glass bottle, 500 g
: 2-(4-Dimethylaminophenylazo)benzoic acid, 2-((4-(Dimethylamino)phenyl)diazenyl)benzoic acid
- :493-52-7
- :C₁₅H₁₅N₃O₂
- :MFCD00002425
- :269.3 g/mol
- :12,06199
- :178…182 °C
- :1,31 g/cm³ (20 °C)
- :Ambient
- :207-776-1
- 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)
- Pack type:Glass bottle
- Pk:500 g