Product Notes
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Metal Titration Indicator
Water Hardness Determination process. It is an azo dye.
Black Stains and Dyes and Indicators
Eriochrome black T is used as an indicator in analytical chemistry.
It is also used in the detection of rare earth metals. It finds application in dyeing and printing of wool fabric, dyeing of silk and nylon as well as in leather dyeing. It can be used in the spectrophotometric determination of diphenhydramine hydrochloride in pharmaceutical preparations.
As a complexometric indicator, it is useful in the determination of hardness of water.
Synonym :- 3-Hydroxy-4-(1-hydroxy-2-naphthylazo)-7-nitro-1-naphthalene sulfonic acid, sodium salt
Suitability :- Passes (for complexometric determination of metals)
Color :- Brownish-black to black
Grade :- Pure
Physical Form :-Powder
Formula Weight:- 461.38
Infrared Spectrum:- Authentic
Solubility in water: slightly soluble
