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Hydroxynaphthol blue

SKU 90027610 CAS 63451-35-4 C20H11N2Na3O11S3 MW 620.47 En stock

Hydroxynaphthol blue is a sodium salt dye used as a metal ion indicator in complexometric titrations, particularly for calcium and magnesium. It appears as a dark blue crystalline powder. CAS: 63451-35-4, Molecular Formula: C20H11N2Na3O11S3, Molecular Weight: 620.47 g/mol. Store at ambient temperature. Signal word: Danger. Molekula supplies Hydroxynaphthol blue 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

10 g — £62.00 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 coloured powder
Melting Point	800 -802°C
Boiling Point	1412 - 1414°C
Solubility in water	Soluble in water
Suitability as a metal indicator	Passes test
Loss on drying at 105°C	≤5.0%
Absorption maxima (buffer pH 12.0)	646 nm +/- 2nm

Almacenamiento y manejo

Property	Value
Storage Temperature	Ambient
Transport Class	8
Packing Group	III
Shelf Life	24 months
Acidity	Acid

Identificación

Property	Value
SKU	90027610
CAS Number	63451-35-4
Molecular Formula	C20H11N2Na3O11S3
Molecular Weight	620.47
SMILES	[Na].O=S(=O)(O)C=1C=CC=2C(C1)=CC(=C(O)C2N=NC3=C(O)C=C(C=4C=CC=CC34)S(=O)(=O)O)S(=O)(=O)O
EC / UN Number	3261
REACH Code	Y110
TSCA Listed	Yes
HTS Code	29270040
Tariff Code	2927000090

Seguridad y GHS

Danger

Corrosive GHS05
Health Hazard GHS07

Declaraciones de peligro

H314 Causes severe skin burns and eye damage
H335 May cause respiratory irritation

Declaraciones de precaución

P261 Avoid breathing dust/fume/gas/mist/vapours/spray
P280 Wear protective gloves/protective clothing/eye protection/face protection
P302+352 IF ON SKIN: Wash with soap and water
P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
P333+313 IF skin irritation or a rash occurs: Get medical advice/attention
P337+313 If eye irritation persists get medical advice/attention

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.

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Fichas de Datos de Seguridad (FDS)

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

Certificado de Análisis (CoA) por lote

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Sinónimos

No se han registrado nombres alternativos para este producto.

Preguntas frecuentes

What is Hydroxynaphthol blue used for?

It is primarily used as a metal ion indicator in complexometric titrations, especially for detecting calcium and magnesium ions.

What is the chemical formula and molecular weight of Hydroxynaphthol blue?

The formula is C20H11N2Na3O11S3 with a molecular weight of 620.47 g/mol.

How should Hydroxynaphthol blue be stored?

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

What grade is available for Hydroxynaphthol blue?

Available in analytical grade for laboratory use.

Can Molekula supply Hydroxynaphthol blue in bulk?

Yes, Molekula can supply Hydroxynaphthol blue in bulk quantities—please contact sales for details.

What documentation comes with a purchase of Hydroxynaphthol blue?

Each order includes a Certificate of Analysis and Safety Data Sheet (SDS) compliant with GHS standards.

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