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ERIOCHROME BLACK T ACS GRADE

ERIOCHROME BLACK T ACS GRADE
Stains Indicator Reagents-69
Product code  RXSOL-69-1787-617

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…

Supply to Kandla, Mundra & Sikka ports Bulk & custom packaging Technical support included

Product Description

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. 

Application & Usage

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.

Useful Area

Eriochrome Black T, Reagent, ACS is complexometric indicator also known as Solochrome Black T.  Most popular to used as an indicator in EDTA titration. Also used in many high-purity applications and typically designate the highest quality chemical available for laboratory use. 
Spectrum Chemical manufactured Reagent ACS grade products meet the toughest regulatory standards for quality and purity.

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

Remarks / Precautions

CAS 1787-61-7,7647-14-5

Procedure

Metal Titration Indicator
water hardness determination process. It is an azo dye.
Black Stains and Dyes and Indicators

Tag Identification

Stability: :Stable. Incompatible with strong oxidizing agents, strong reducing agents.

Notes

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

Other Names

ERIOCHROME BLACK T ACS GRADE, indicator for EDTA titration, ETB, Solochrome Black T

Packing Sizes

50 Gram, 100 Gram, 500 Gram, 1 Kg DUAL SEALED pack.

Supply Locations

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