Molekula
Sulfite de sodium anhydre
Sodium sulfite anhydrous
Certifié ISO 9001:2015 & ISO 14001:2015 · Fournisseur pour laboratoires et industries depuis 2000 · Certificat d’Analyse (CoA) pour chaque lot
Sodium sulfite anhydrous is a white, water-soluble powder primarily used as a reducing agent, antioxidant, and preservative in food, pharmaceuticals, and industrial processes like pulp bleaching and wastewater treatment. It prevents oxidation in dried fruits, wines, and processed foods, while also serving as a dechlorinating agent in water systems. This chemical has a CAS number of 7757-83-7, molecular formula Na₂O₃S, and a molecular weight of 126.04 g/mol. It is non-hazardous (no signal word) and can be stored safely at ambient conditions. Molekula supplies sodium sulfite anhydrous from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Aperçu
Sodium sulfite anhydrous is a white, water-soluble powder primarily used as a reducing agent, antioxidant, and preservative in food, pharmaceuticals, and industrial processes like pulp bleaching and wastewater treatment. It prevents oxidation in dried fruits, wines, and processed foods, while also serving as a dechlorinating agent in water systems. This chemical has a CAS number of 7757-83-7, molecular formula Na₂O₃S, and a molecular weight of 126.04 g/mol. It is non-hazardous (no signal word) and can be stored safely at ambient conditions. Molekula supplies sodium sulfite anhydrous from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Prix et formats de conditionnement
Spécifications
| Property | Value |
|---|---|
| Appearance | Fine white crystals |
| Heavy metals | ≤10mg/kg |
| Assay | ≥98.0% |
| Bulk density | 1.5 - 1.7kg/dm3 |
| Iron (Fe) | ≤5mg/kg |
| Lead (Pb) | ≤2mg/kg |
| Arsenic (As) | ≤1mg/kg |
| Selenium (Se) | ≤1mg/kg |
Stockage et manipulation
| Property | Value |
|---|---|
| Température de stockage | Ambient |
| Acidité | Base |
Identification
| Property | Value |
|---|---|
| SKU | 31377880 |
| Numéro CAS | 7757-83-7 |
| Formule moléculaire | Na2O3S |
| Masse moléculaire | 126.04 |
| SMILES | [Na].O=S(O)O |
| Code REACH | Y113 |
| Inscrit au TSCA | Oui |
| Code HTS | 28321000 |
| Code tarifaire | 2832100000 |
Sécurité et GHS
Déclarations de danger
- EUH031 Au contact d'un acide, dégage un gaz toxique.
Déclarations de précaution
- P231+232 Manipuler et stocker le contenu sous gaz inerte/... Protéger de l'humidité.
- P264 Se laver ... soigneusement après manipulation.
- P280 Porter des gants de protection/des vêtements de protection/un équipement de protection des yeux/du visage/une protection auditive/...
- P308+313 EN CAS d'exposition prouvée ou suspectée : consulter un médecin.
Documents
Fiches de données de sécurité (FDS)
Disponible en English, French, German, Italian, Spanish.
Certificat d'analyse (CoA) par lot
Saisissez un numéro de lot ou de série pour récupérer le certificat d'analyse correspondant à ce lot spécifique. Nous pouvons en générer un à partir des données de spécification si aucun PDF n'est disponible.
Synonymes
Aucun autre nom enregistré pour ce produit.
Questions fréquentes
What is sodium sulfite anhydrous commonly used for?
Sodium sulfite anhydrous is primarily used as a reducing agent in photography, pulp and paper processing, and as a preservative in food and water treatment to prevent oxidation.
What is the chemical formula and molecular weight of sodium sulfite anhydrous?
The chemical formula is **Na₂SO₃**, and the molecular weight is **126.04 g/mol**.
How should sodium sulfite anhydrous be stored?
Store in a cool, dry, well-ventilated area at ambient temperature, away from strong oxidizing agents and moisture.
What grades of sodium sulfite anhydrous does Molekula supply?
Molekula supplies sodium sulfite anhydrous in **technical/industrial grade** for bulk applications.
Can Molekula supply sodium sulfite anhydrous in bulk quantities?
Yes, Molekula can supply sodium sulfite anhydrous in bulk, with quantities tailored to your specific requirements.
What documentation is provided with an order of sodium sulfite anhydrous?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a packing list for traceability.
Prêt à passer commande ou besoin d'un emballage sur mesure ?
Indiquez le produit, le grade et la quantité – Molekula répond généralement sous un jour ouvrable avec le prix et le délai de livraison.