Molekula

Negro de eriocromo T (C.I. 14645)

Eriochrome Black T (C.I. 14645)

SKU 51499212 CAS 1787-61-7 C20H12N3NaO7S MW 461.38 En stock

Eriochrome Black T (C.I. 14645) is a metallochromic indicator used in complexometric titrations, particularly for determining water hardness. It appears as a dark green powder and changes color in response to metal ion concentration. CAS: 1787-61-7, Molecular Formula: C20H12N3NaO7S, Molecular Weight: 461.38 g/mol. Store at ambient temperature. Signal word: Warning. Molekula supplies Eriochrome Black T from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

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Resumen

Precios y tamaños de envase

Tamaños de envase y precios

£ GBP € EUR $ USD

25 g — £41.90 por paquete
100 g — £99.00 por paquete

Los precios excluyen IVA/impuesto sobre ventas y gastos de envío. Tamaños de embalaje por mayor y personalizados disponibles bajo petición.

Especificaciones

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Property	Value
Appearance	Black powder
Strength	≥100.0%

Almacenamiento y manejo

Property	Value
Storage Temperature	Ambient
Transport Class	9
Packing Group	III
Shelf Life	60 months
Acidity	Neutral

Identificación

Property	Value
SKU	51499212
CAS Number	1787-61-7
Molecular Formula	C20H12N3NaO7S
Molecular Weight	461.38
SMILES	[Na].O=N(=O)C1=CC=C2C(N=NC=3C=CC=4C=CC=CC4C3O)=C(O)C=C(C2=C1)S(=O)(=O)O
EC / UN Number	3077
REACH Code	Y110
TSCA Listed	Yes
HTS Code	29270040
Tariff Code	2927000090

Seguridad y GHS

Warning

Health Hazard GHS07
Hazardous to the Environment GHS09

Declaraciones de peligro

H319 Causes serious eye irritation
H332 Harmful if inhaled
H400 Very toxic to aquatic life
H411 Toxic to aquatic life with long lasting effects

Declaraciones de precaución

P260 Do not breathe dust/fume/gas/mist/vapours/spray
P273 Avoid release to the environment
P280 Wear protective gloves/protective clothing/eye protection/face protection
P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
P337+313 If eye irritation persists get medical advice/attention
P501 Dispose of contents/container to an approved waste disposal plant

Solo para uso investigativo e industrial

No apto para uso en alimentos, medicamentos, productos domésticos, ni en humanos o animales. Consulte la Hoja de Datos de Seguridad antes de manipular.

Documentos

Fichas de Datos de Seguridad (FDS)

Disponible en PT, IT, ES, DE, FR, EN.

Certificado de Análisis (CoA) por lote

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Sinónimos

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Preguntas frecuentes

What is Eriochrome Black T used for?

Eriochrome Black T is primarily used as a metal ion indicator in complexometric titrations, especially for detecting calcium and magnesium ions in water hardness tests.

What is the chemical formula and molecular weight of Eriochrome Black T?

The formula is C20H12N3NaO7S with a molecular weight of 461.38 g/mol.

How should Eriochrome Black T be stored?

It should be stored at ambient temperature, protected from moisture and light.

What grade of Eriochrome Black T does Molekula supply?

Molekula supplies Eriochrome Black T in analytical grade, suitable for laboratory use.

Can Molekula supply Eriochrome Black T in bulk?

Yes, Molekula can supply Eriochrome Black T in bulk quantities—please contact our sales team for pricing and availability.

What documentation comes with an order of Eriochrome Black T?

Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.

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