ERIOCHROME BLACK T ACS GRADE

Stains Indicator Reagents-69

ERIOCHROME BLACK T ACS GRADE

Part No. RXSOL-69-1787-617

Indicator for EDTA titration

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

ERIOCHROME BLACK T ACS GRADE

Key details

Part number RXSOL-69-1787-617
Generic name Indicator for EDTA titration
Available pack sizes 50 Gram, 100 Gram, 500 Gram, 1 Kg DUAL SEALED pack.
Supply locations Other Valuable INDICATORS Alcian Blue 8 Gx Alizarin Red S Basic Fuchsin Bromo Thymol Blue Bromo Xylenol Blue Bromo Cresol Green Eosin Fluorescien Complexone Methyl Red Nitrazine Yellow Orcein Phenol red Safranine O Thymol Blue
Usage unit Grams
Quantity per unit 100

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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. 

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.

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

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

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

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

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.

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

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

Eriochrome Black T is a complexometric indicator. During titrations of water hardness determination process. Eriochrome Black T is BLUE in colour but in the presence of calcium, magnesium, or other metal ions It turns RED.

Eriochrome Black T or EBT plays colour changing role in between 6.3 to 11.5, and with RED as its acidic colour and ORANGE its basic color. 

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