Molekula
Bisolfito di sodio (idrogenosolfito di sodio) soluzione acquosa al 38%
Sodium bisulfite (Sodium hydrogen sulfite) 38% aqueous solution
Certificato ISO 9001:2015 & ISO 14001:2015 · Fornitura a laboratori e industria dal 2000 · Certificato di Analisi (CoA) per ogni lotto
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.
Panoramica
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.
Prezzi e formati disponibili
Specifiche
| 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 |
Immagazzinamento e manipolazione
| Property | Value |
|---|---|
| Temperatura di Conservazione | Ambient |
| Acidità | Neutral |
Identificazione
| Property | Value |
|---|---|
| SKU | 90037466 |
| Numero CAS | 7631-90-5 |
| Formula molecolare | NaHSO3 |
| Peso molecolare | 104.06 |
| SMILES | [Na].O=S(O)O |
| Codice REACH | Y113 |
| Elencato TSCA | Sì |
| Codice HTS | 28321000 |
| Codice doganale | 2832100000 |
Sicurezza e GHS
Dichiarazioni di pericolo
- H303 Può essere nocivo in caso di ingestione.
Istruzioni di precauzione
- P264 Lavare accuratamente ... dopo l'uso.
- P280 Indossare guanti/indumenti protettivi/proteggere gli occhi/proteggere il viso.
- P301+312 IN CASO DI INGESTIONE: in presenza di malessere, contattare un CENTRO ANTIVELENI/un medico/...
Documenti
Fogli di dati di sicurezza (SDS)
Disponibile in English, French, German, Italian, Portuguese, Spanish.
Certificato di Analisi (CoA) per lotto
Inserisci un numero di lotto o di partita per recuperare il certificato di analisi relativo a tale partita. Possiamo generarlo dai dati specifici se non è disponibile alcun PDF.
Sinonimi
Nessun altro nome registrato per questo prodotto.
Domande frequenti
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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