METHYL ORANGE INDICATOR ACS

Short Name: METHYL ORANGE INDICATOR

Other Names: Sodium 4-[(4-dimethylamino)phenyldiazenyl]benzenesulphonate

C.I.No.13025

Chemical Specifications

Appearance : Yellowish-orange colored powder

Identity (IR) : Conforms to structure

Solubility (0.1 % in water) : Clear (passes ACS test)

Visual transition range : from pH 3.2 (pink or red) to pH 4.4 (yellow-orange)

Absorption maxima in 0.01 N NaOH : 461 to 469 nm