Molekula

Metabisulfito potásico

Potassium metabisulfite

SKU 55202280 CAS 16731-55-8 K2S2O5 MW 222.32 En stock

Potassium metabisulfite is a white crystalline powder used as a preservative and antioxidant in food, wine, and pharmaceuticals. It is also employed in chemical synthesis and water treatment. Available in 1 kg, 5 kg, and 25 kg packaging, it has a CAS number of 16731-55-8, molecular formula K2S2O5, and molecular weight of 222.32 g/mol. Store at ambient temperatures. Signal word: Danger. Molekula supplies Potassium metabisulfite 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

100 g — £26.30 por paquete
500 g — £45.00 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	White powder
pH	3.8 - 4.8
Na	≤2%
Molecular Weight	222.32
Assay	≥97.2%
SO2	≥56%
Cl	≤0.5%
Thiosulfate	≤0.1%

Almacenamiento y manejo

Property	Value
Storage Temperature	Ambient
Shelf Life	24 months
Acidity	Neutral

Identificación

Property	Value
SKU	55202280
CAS Number	16731-55-8
Molecular Formula	K2S2O5
Molecular Weight	222.32
SMILES	[O-]S(=O)S(=O)(=O)[O-].[K+].[K+]
REACH Code	Y110
TSCA Listed	Yes
HTS Code	28322000
Tariff Code	2832200000

Seguridad y GHS

Danger

Corrosive GHS05
Health Hazard GHS07

Declaraciones de peligro

EUH031 Contact with acids liberates toxic gas
H315 Causes skin irritation
H318 Causes serious 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
P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
P332+313 IF skin irritation 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.

Documentos

Fichas de Datos de Seguridad (FDS)

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

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Sinónimos

No se han registrado nombres alternativos para este producto.

Preguntas frecuentes

What is potassium metabisulfite used for?

It is commonly used as a preservative in food and beverages, and as a reducing agent in chemical synthesis.

What is the chemical formula and molecular weight of potassium metabisulfite?

The formula is K2S2O5 and the molecular weight is 222.32 g/mol.

How should potassium metabisulfite be stored?

It should be stored at ambient temperature, in a dry and well-ventilated area.

What grade of potassium metabisulfite does Molekula supply?

Molekula supplies reagent grade potassium metabisulfite.

Can Molekula supply potassium metabisulfite in bulk?

Yes, Molekula can supply potassium metabisulfite in bulk quantities upon request.

What documentation comes with a purchase of potassium metabisulfite?

Each order includes a Certificate of Analysis and Safety Data Sheet (SDS).

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