ERIOCHROME BLACK T A.C.S. REAGENT & (C15-1220-251)

Catalog No.: C15-1220-251
Mfr. No.: 858390-500G
Mfr. Name: Sigma-Aldrich
Qty/UOM: 500
UOM: GR

Price: $263.97

List Price: $293.30

Eriochrome ® Black T is a hydroxyl-arylazo dye and is generally supplied as a monosodium salt. This dye exists as a dark violet powder with green metallic sheen.

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Description
Specifications

General description

Eriochrome^® Black T is a hydroxyl-arylazo dye and is generally supplied as a monosodium salt. This dye exists as a dark violet powder with green metallic sheen. Eriochrome Black T is soluble in water and alcohol, but insoluble in common organic solvents. It is mainly used as an indicator in ethylenediaminetetraacetic acid (EDTA) method to determine hardness of water.

Eriochrome^® Black T is used as an indicator for complexometric titrations. It functions as an acid-base indicator. Eriochrome^® Black T forms complex with Ca²⁺ and Mg²⁺, but it binds more strongly to Mg²⁺ ions.

Application

Eriochrome^® Black T has been used to determine the concentration of Ca²⁺ using complexometric titration method.

Legal Information

Eriochrome is a registered trademark of Huntsman Petrochemical, LLC

UPC:: 51131740
Condition:: New
Availability:: 3-5 Days
Weight:: 1.00 Ounces
HazmatClass:: No
MPN:: 858390-500G
CAS:: 1787-61-7

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