Molekula
Bisulfito de sodio (hidrogenosulfito de sodio) solución acuosa al 38%
Sodium bisulfite (Sodium hydrogen sulfite) 38% aqueous solution
Certificado ISO 9001:2015 e ISO 14001:2015 · Suministro a laboratorios e industria desde el año 2000 · Certificado de Análisis (CoA) con cada lote
Sodium bisulfite (sodium hydrogen sulfite) is a versatile reducing agent and antioxidant widely used in food preservation, water treatment, photography, and chemical synthesis to prevent oxidation, dechlorinate water, and stabilize solutions. This 38% aqueous solution has a CAS number of 7631-90-5, with the molecular formula NaHSO3 and a molecular weight of 104.06. It requires ambient storage conditions and carries no signal word. Molekula supplies sodium bisulfite from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Resumen
Sodium bisulfite (sodium hydrogen sulfite) is a versatile reducing agent and antioxidant widely used in food preservation, water treatment, photography, and chemical synthesis to prevent oxidation, dechlorinate water, and stabilize solutions. This 38% aqueous solution has a CAS number of 7631-90-5, with the molecular formula NaHSO3 and a molecular weight of 104.06. It requires ambient storage conditions and carries no signal word. Molekula supplies sodium bisulfite from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Precios y tamaños de envase
Especificaciones
| Property | Value |
|---|---|
| Appearance | Clear light yellow liquid |
| Heavy metals | ≤ 5ppm |
| Chloride (Cl-) | ≤ 120ppm |
| Assay | ⩾ 38.0% |
| Water insoluble matter | ≤ 20ppm |
| Sulphates (SO4)(2-) | ≤1.0% |
| Ferric salt | ≤ 10ppm |
Almacenamiento y manejo
| Property | Value |
|---|---|
| Temperatura de Almacenamiento | Ambient |
| Acidez | Neutral |
Identificación
| Property | Value |
|---|---|
| SKU | 90037466 |
| Número CAS | 7631-90-5 |
| Fórmula molecular | NaHSO3 |
| Peso molecular | 104.06 |
| SMILES | [Na].O=S(O)O |
| Código REACH | Y113 |
| Incluido en el listado TSCA | Sí |
| Código HTS | 28321000 |
| Código arancelario | 2832100000 |
Seguridad y GHS
Declaraciones de peligro
- H303 Puede ser nocivo en caso de ingestión.
Declaraciones de precaución
- P264 Lavarse concienzudamente tras la manipulación.
- P280 Llevar guantes/prendas/gafas/máscara de protección.
- P301+312 EN CASO DE INGESTIÓN: Llamar a un CENTRO DE TOXICOLOGÍA/médico/... si la persona se encuentra mal.
Documentos
Fichas de Datos de Seguridad (FDS)
Disponible en English, French, German, Italian, Portuguese, Spanish.
Certificado de Análisis (CoA) por lote
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Sinónimos
No se han registrado nombres alternativos para este producto.
Preguntas frecuentes
What is sodium bisulfite (38% aqueous solution) commonly used for?
This solution is primarily used as a reducing agent in photography, food preservation (as an antioxidant/preservative, e.g., E222), and as a bleach inhibitor in textiles and paper industries. It’s also employed in water treatment and pH adjustment.
What is the chemical formula and molecular weight of sodium bisulfite?
The chemical formula is **NaHSO₃**, and the molecular weight is **104.06 g/mol** for the anhydrous form.
How should sodium bisulfite (38% aqueous solution) be stored?
Store in a tightly sealed container at **ambient temperature**, away from strong oxidizing agents, heat, and direct sunlight. Avoid contamination with metals or acidic substances.
What grades or purities of sodium bisulfite solution does Molekula supply?
Molekula supplies this product as a **38% aqueous solution** (technical grade), suitable for industrial, food-grade (where compliant with local regulations), and laboratory applications.
Can Molekula supply sodium bisulfite in bulk quantities?
Yes, we offer **bulk quantities** (drums, IBCs, or tanker loads) of sodium bisulfite solution, with flexible packaging options to meet your specific requirements. Minimum order quantities may apply.
What documentation is provided with a sodium bisulfite order?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS/SDS), and a product specification sheet. For food-grade applications, additional compliance documentation (e.g., FDA or EU food-grade certifications) may be provided upon request.
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