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  6. Thermo Scientific Chemicals Eriochromschwarz T

Thermo Scientific Chemicals Eriochromschwarz T

Catalog No. 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.

Anwendungen
Eriochromschwarz T wird als Indikator in der analytischen Chemie verwendet. Es wird auch zum Nachweis von Seltenerdmetallen verwendet. Es findet Anwendung beim Färben und Bedrucken von Wollgewebe, Färben von Seide und Nylon sowie beim Färben von Leder. Es kann bei der spektrophotometrischen Bestimmung von Diphenhydramin-Hydrochlorid in pharmazeutischen Präparaten verwendet werden. Als komplexometrischer Indikator ist er für die Bestimmung der Wasserhärte nützlich.

Löslichkeit
Wasserlöslich. Schwer löslich in Alkohol und Aceton.

Hinweise
Nicht mit starken Oxidationsmitteln und starken Reduktionsmitteln kompatibel.
TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 1787-61-7
Summenformel C20H12N3NaO7S
Molekulargewicht (g/mol) 461.38
MDL-Nummer MFCD00003935
InChI-Schlüssel JHUJLRKQZAPSDP-GXTSIBQPSA-M
Synonym 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

Chemischer Name oder Material Eriochrome Black T
Beilstein 4121162
Merck Index 14,3667
Löslichkeitsinformationen Soluble in water. Slightly soluble in alcohol and acetone.
Menge 100 g
IUPAC-Name (4 Z)-4-[(1-hydroxynaphthalen-2-yl)hydrazinyliden]-7-nitro-3-oxonaphthalin-1-Sulfonsäure; Natrium
Formelmasse 461.39

Safety and Handling

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Product Identifier
  • Eriochrome Black T
 Signal Word
  • Achtung
 Hazard Category
  • Schwere Augenschädigung/Augenreizung Kategorie 2
 Hazard Statement
  • H319-Verursacht schwere Augenreizung.
 Precautionary Statement
  • P280-Schutzhandschuhe/Schutzkleidung/Augenschutz/Gesichtsschutz tragen.
  • P305+P351+P338-BEI KONTAKT MIT DEN AUGEN: Einige Minuten lang behutsam mit Wasser spülen. Vorhandene Kontaktlinsen nach Möglichkeit entfernen. Weiter spülen.
 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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