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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.
CAS 1787-61-7,7647-14-5
Stability: :Stable. Incompatible with strong oxidizing agents, strong reducing agents.
Synonym :- 3-Hydroxy-4-(1-hydroxy-2-naphthylazo)-7-nitro-1-naphthalene sulfonic acid, sodium salt
| C.A.S. No. | 1787-61-7 |
| CI NO. | 14645 |
| M.F. | C20H12N3NaO7S |
| M.W. | 461.38gm/mole |
Specifications:
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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.
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.
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.