Methyl red sodium salt, pure indicator

Supplier: Thermo Scientific

Synonyms: Methyl red water soluble, 2-(4-Dimethylaminophenylazo)benzoic acid sodium salt, Sodium 2-(p-(dimethylamino)phenylazo)benzoate

151411000 151410250 151415000
ACRO151411000EA 108 GBP
ACRO151411000 ACRO151410250 ACRO151415000
Methyl red sodium salt, pure indicator
Methyl red sodium salt
Formula: C₁₅H₁₄N₃NaO₂
MW: 291,28 g/mol
Melting Pt: ? 180 °C
Storage Temperature: Ambient
MDL Number: MFCD00002426
CAS Number: 845-10-3
EINECS: 212-682-9
Merck Index: 13,06142

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Specification Test Results

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)

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