ERIOCHROME BLACK T ACS GRADE excellent quality manufacturer , exporter and supplier. Eriochrome Black T, Reagent, ACS, also known as Solochrome Black T, is a complexometric indicator used as an indicator in EDTA titration. As an ACS grade quality reagent, its chemical specifications are the de facto standards for chemicals used in many high-purity applications and typically designate the highest quality chemical available for laboratory use. 

Technical Specifications:

C.A.S. No.	1787-61-7
CI NO.	14645
M.F.	C20H12N3NaO7S
M.W.	461.38gm/mole

Specifications:

Solubility 0.1 % (Dist. Water) Clear solution Absorption Maximum (at pH 10.0 Ammonia Buffer + 2ml 0.05M E.D.T.A.) ?max 610-630nm Absorptivity (A1%,1cm at ?max at pH10.0 Ammonia Buffer + 0.05M E.D.T.A.) >300 Loss On Drying (110°C) <1% Suitability as indicator for Metal Titration Passes test

Note:

 
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 :- Solubility in water: slightly soluble.
UV Spectrometry :- CompliesSynonym :- 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 :- Solubility in water: slightly soluble.
UV Spectrometry :- Complies

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