English name: m-Methyl red; 3-((4- (Dimethylamino) phenyl) azo) benzoic acid
Other names: p-dimethylaminoazobenzene carboxylic acid; 3-((4- (dimethylamino) phenyl) azo) benzoic acid
CAS number: 20691-84-3
C15H15N3O2 = 269.30
Level: IND
pH color change range: 2.0 (red) ~ 4.0 (yellow)
Oxidation test by bromine: Qualified ethanol dissolution test: Qualified burning residue: ≤0.3%
Traits: reddish brown powder. Soluble in ethanol, almost insoluble in water Uses: biochemical research. Acid-base indicator storage: RT, protected from light
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