Molekula
Natriummetabisulfit
Sodium metabisulfite
Sodium metabisulfite is a white crystalline powder used as a reducing agent, preservative, and antioxidant in food, pharmaceuticals, and industrial processes. It is also employed in photographic chemicals and water treatment. CAS: 7681-57-4, Molecular Formula: Na2O5S2, Molecular Weight: 190.11 g/mol, Storage: Ambient, Signal Word: Danger. Molekula supplies Sodium metabisulfite from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Übersicht
Sodium metabisulfite is a white crystalline powder used as a reducing agent, preservative, and antioxidant in food, pharmaceuticals, and industrial processes. It is also employed in photographic chemicals and water treatment. CAS: 7681-57-4, Molecular Formula: Na2O5S2, Molecular Weight: 190.11 g/mol, Storage: Ambient, Signal Word: Danger. Molekula supplies Sodium metabisulfite from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Preise und Verpackungsgrößen
Spezifikationen
| Property | Value |
|---|---|
| Appearance | Fine Crystals |
| Heavy metals | ≤10mg/kg max |
| Identification | Conforms to reference |
| Assay | ≥98% |
| Iron as Fe | ≤5mg/kg |
| Lead as Pb | ≤2mg/kg |
| Arsenic as As | ≤1mg/kg |
| Mercury as Hg | ≤1mg/kg |
| Cadmium as Cd | ≤1mg/kg |
| Nickel (Ni) | ≤1mg/kg |
| Chromium (Cr) | ≤1mg/kg |
| Antimony (Sb) | ≤1mg/kg |
| Selenium (Se) | ≤1mg/kg |
| Thiosulfates | ≤0.04% |
Lagerung und Handhabung
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Shelf Life | 24 months |
| Acidity | Neutral |
Identifizierung
| Property | Value |
|---|---|
| SKU | 33231649 |
| CAS Number | 7681-57-4 |
| Molecular Formula | Na2O5S2 |
| Molecular Weight | 190.11 |
| SMILES | [O-]S(=O)S(=O)(=O)[O-].[Na+].[Na+] |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 28321000 |
| Tariff Code | 2832100000 |
Sicherheit & GHS
-
Corrosive
GHS05
-
Health Hazard
GHS07
Gefahrenhinweise
- EUH031 Contact with acids liberates toxic gas
- H302 Harmful if swallowed
- H318 Causes serious eye damage
Vorsichtsmaßnahmen
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P333+313 IF skin irritation or a rash occurs: Get medical advice/attention
- P337+313 If eye irritation persists get medical advice/attention
Nur für Forschungs- und industrielle Zwecke
Dokumente
Sicherheitsdatenblätter (SDS)
Verfügbar in IT, FR, ES, DE, EN.
-
IT - (33231649) SODIUM METABISULFITE [7681-57-4].pdf
SDS · IT · 228 KB
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FR - (33231649) SODIUM METABISULFITE [7681-57-4].pdf
SDS · FR · 233 KB
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ES - (33231649) SODIUM METABISULFITE [7681-57-4].pdf
SDS · ES · 230 KB
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DE - (33231649) SODIUM METABISULFITE [7681-57-4].pdf
SDS · DE · 229 KB
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EN - (33231649) SODIUM METABISULFITE [7681-57-4].pdf
SDS · EN · 229 KB
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 metabisulfite used for?
Sodium metabisulfite is commonly used as a preservative in food and beverages, a reducing agent in chemical processes, and in water treatment to control microbial growth.
What is the chemical formula and molecular weight of sodium metabisulfite?
The formula is Na2O5S2 and the molecular weight is 190.11 g/mol.
How should sodium metabisulfite be stored?
It should be stored at ambient temperature in a dry, well-ventilated area away from incompatible materials.
What grade is available for sodium metabisulfite?
Available in technical and food-grade qualities; specific grades depend on customer requirements and application.
Can Molekula supply sodium metabisulfite in bulk?
Yes, Molekula can supply sodium metabisulfite in bulk quantities; please contact our sales team for pricing and availability.
What documentation comes with a sodium metabisulfite order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.
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