Methyl red, pure indicator
Supplier: Thermo Fisher Scientific
Certificates
About this item
CAS Number:493-52-7
:
Formula:C₁₅H₁₅N₃O₂
MDL Number:MFCD00002425
Merck Index:12,06199
Melting Pt:178…182 °C
Density:1,31 g/cm³ (20 °C)
:269.3 g/mol
Storage Temperature:Ambient
EINECS:207-776-1
Specification Test Results
- 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)
Specification Test Results
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