Eriochrome Black T

Name: Eriochrome Black T
SKU: ALFA17536.36

CAS: 1787-61-7 | C20H12N3NaO7S | 461.38 g/mol

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Catalog number ALFA17536.36

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Specifications

Chemical Name or MaterialEriochrome Black T

CAS1787-61-7

Health Hazard 1H319-H336-H500

Health Hazard 2GHS H Statement
H315-H319-H335
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.

Health Hazard 3P261-P264b-P271-P280i-P304+P340-P305+P351+P338-P312-P501c

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.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
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.

Solubility
Soluble in water. Slightly soluble in alcohol and acetone.

Notes
Incompatible with strong oxidizing agents and strong reducing agents.

RUO – Research Use Only

General References:

Mamba, G.; Mbianda, X. Y.; Mishra, A. K. Enhanced visible light photocatalytic degradation of eriochrome black T and eosin blue shade in water using tridoped titania decorated on SWCNTs and MWCNTs: Effect of the type of carbon nanotube incorporated. Mater. Chem. Phys. 2015, 149-150, 734-742.
Lee, K. M.; Hamid, S. B. A.; Lai, C. W. Multivariate analysis of photocatalytic-mineralization of Eriochrome Black T dye using ZnO catalyst and UV irradiation. Mater. Sci. Semicond. Process. 2015, 39, 40-48.