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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.
نظرة عامة
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.
الأسعار ومقاسات التعبئة
المواصفات
| 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% |
التخزين والتعامل
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Shelf Life | 24 months |
| Acidity | Neutral |
التعرف
| 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 |
السلامة ونظام التصنيف والتحذير العالمي
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Corrosive
GHS05
-
Health Hazard
GHS07
بيانات الخطر
- EUH031 Contact with acids liberates toxic gas
- H302 Harmful if swallowed
- H318 Causes serious eye damage
إقرارات احترازية
- 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
مخصص للأغراض البحثية والصناعية فقط
الوثائق
أوراق بيانات السلامة (SDS)
متوفر بـ IT, FR, ES, DE, EN.
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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
-
DE - (33231649) SODIUM METABISULFITE [7681-57-4].pdf
SDS · DE · 229 KB
-
EN - (33231649) SODIUM METABISULFITE [7681-57-4].pdf
SDS · EN · 229 KB
شهادة التحليل (CoA) حسب الدفعة
أدخل رقم الدفعة أو الحزمة للحصول على شهادة المطابقة الخاصة بهذه الدفعة المحددة. يمكننا إنشاء واحدة من بيانات المواصفات إذا لم تكن هناك نسخة PDF محفوظة.
مرادفات
لا توجد أسماء بديلة مسجلة لهذا المنتج.
الأسئلة الشائعة
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.
جاهز للطلب أو تحتاج إلى حزمة مخصصة؟
أخبرنا بالمنتج، والجودة، والكمية — عادةً ما نرد خلال يوم عمل واحد بأسعار التوريد وموعد التسليم.