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Thermo Scientific Chemicals Eriochrome Black T

Product Code. 11458167
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Product Code. 11458167 Supplier Thermo Scientific Chemicals Supplier No. A17536.22
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Description

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

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.
TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 1787-61-7
Formula molecolare C20H12N3NaO7S
Molecular Weight (g/mol) 461.38
Numero MDL MFCD00003935
InChI Key JHUJLRKQZAPSDP-GXTSIBQPSA-M
Sinonimo C.I. 14645; Mordant Black 11
PubChem CID 87355429
SMILES [Na+].OC1=C2C=CC=CC2=CC=C1N\N=C1/C(=O)C=C(C2=CC(=CC=C12)[N+]([O-])=O)S([O-])(=O)=O

Specifications

Materiale o nome chimico Eriochrome Black T
Beilstein 4121162
Indice di Merck 14,3667
Informazioni di solubilità Soluble in water. Slightly soluble in alcohol and acetone.
IUPAC Name (4Z)-4-[(1-hydroxynaphthalen-2-yl)hydrazinylidene]-7-nitro-3-oxonaphthalene-1-sulfonic acid;sodium
Peso formulazione 461.39
Quantità 100 g

Safety and Handling

compliance-icons
Product Identifier
  • Eriochrome Black T
 Signal Word
  • Attenzione
 Hazard Category
  • Lesione oculare grave/irritazione oculare Categoria 2
 Hazard Statement
  • H319-Provoca grave irritazione oculare.
 Precautionary Statement
  • P280-Indossare guanti/indumenti protettivi/Proteggere gli occhi/il viso.
  • P305+P351+P338-IN CASO DI CONTATTO CON GLI OCCHI: sciacquare accuratamente per parecchi minuti. Togliere le eventuali lenti a contatto se è agevole farlo. Continuare a sciacquare.
 Supplemental information
  • MIXTURE LIST-Contain: 1-Naphthalenesulfonic acid, 3-hydroxy-4-[(1-hydroxy-2-naphthalenyl)az
SDS

RUO – Research Use Only

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