Molekula
Natriumhydrogensulfit-Lösung (NaHSO₃) 38 % w/w in Wasser
Sodium bisulfite (Sodium hydrogen sulfite) 38% aqueous solution
ISO 9001:2015 & ISO 14001:2015 zertifiziert · Lieferant für Laboratorien und Industrie seit 2000 · Analysezertifikat (Certificate of Analysis, CoA) für jede Charge
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.
Übersicht
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.
Preise und Verpackungsgrößen
Spezifikationen
| 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 |
Lagerung und Handhabung
| Property | Value |
|---|---|
| Lagertemperatur | Ambient |
| Säuregehalt | Neutral |
Identifizierung
| Property | Value |
|---|---|
| SKU | 90037466 |
| CAS-Nummer | 7631-90-5 |
| Molekülformel | NaHSO3 |
| Molekulargewicht | 104.06 |
| SMILES | [Na].O=S(O)O |
| REACH-Code | Y113 |
| TSCA aufgeführt | Ja |
| HTS-Code | 28321000 |
| Zolltarifnummer | 2832100000 |
Sicherheit & GHS
Gefahrenhinweise
- H303 Kann bei Verschlucken gesundheitsschädlich sein.
Vorsichtsmaßnahmen
- P264 Nach Gebrauch … gründlich waschen.
- P280 Schutzhandschuhe / Schutzkleidung / Augenschutz / Gesichtsschutz tragen.
- P301+312 Bei Verschlucken: Bei Unwohlsein Giftinformationszentrum / Arzt / … anrufen.
Dokumente
Sicherheitsdatenblätter (SDS)
Verfügbar in English, French, German, Italian, Portuguese, Spanish.
Zertifikat der Analyse (CoA) nach Charge
Geben Sie eine Chargen- oder Seriennummer ein, um die CoA für diese spezifische Charge abzurufen. Wir können eine erstellen, wenn keine PDF-Datei vorliegt, basierend auf den Spezifikationsdaten.
Synonyme
Es wurden keine alternativen Namen für dieses Produkt aufgezeichnet.
Häufig gestellte Fragen
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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