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سلينيت الصوديوم الخماسي المائي
Sodium selenite pentahydrate
Sodium selenite pentahydrate is a water-soluble selenium compound used in nutritional supplements, research, and as a reagent in biochemical studies. It provides bioavailable selenium for metabolic processes. CAS: 26970-82-1, Molecular Formula: Na₂O₃Se · 5H₂O, Molecular Weight: 263.01 g/mol, Storage: Ambient, Signal Word: Danger. Molekula supplies Sodium selenite pentahydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
نظرة عامة
Sodium selenite pentahydrate is a water-soluble selenium compound used in nutritional supplements, research, and as a reagent in biochemical studies. It provides bioavailable selenium for metabolic processes. CAS: 26970-82-1, Molecular Formula: Na₂O₃Se · 5H₂O, Molecular Weight: 263.01 g/mol, Storage: Ambient, Signal Word: Danger. Molekula supplies Sodium selenite pentahydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
الأسعار ومقاسات التعبئة
المواصفات
| Property | Value |
|---|---|
| Appearance | White crystalline powder |
| pH | 9.8 - 10.8 |
| Loss on Drying | ≤1.0% |
| Solubility | Freely soluble in water, practically insoluble in Ethanol |
| Assay | ≥99% |
| Carbonate | ≤0.01% |
| Nitrate | ≤0.01% |
| Iron (Fe) | ≤50ppm |
| Conclusion: | BP 2012 |
| Lead (Pb) | ≤20ppm |
| Arsenic (As) | ≤10ppm |
| Insoluble Residue | ≤0.15% |
| Selenate and sulphate | ≤0.03% |
| Chloride(Cl) | ≤0.01% |
التخزين والتعامل
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 6.1 |
| Packing Group | I |
| Shelf Life | 24 months |
| Acidity | Base |
التعرف
| Property | Value |
|---|---|
| SKU | 22117374 |
| CAS Number | 26970-82-1 |
| Molecular Formula | Na2O3Se · 5H2O |
| Molecular Weight | 263.01 |
| SMILES | [Na].O=[Se](O)O.O |
| EC / UN Number | 2630 |
| REACH Code | Y110 |
| HTS Code | 2842.90.9010 |
| Tariff Code | 2842901090 |
السلامة ونظام التصنيف والتحذير العالمي
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Toxic
GHS06
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Health Hazard
GHS07
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Hazardous to the Environment
GHS09
بيانات الخطر
- EUH031 Contact with acids liberates toxic gas
- H300 Fatal if swallowed
- H317 May cause an allergic skin reaction
- H330 Fatal if inhaled
- H411 Toxic to aquatic life with long lasting effects
إقرارات احترازية
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P284 Wear respiratory protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P308+313 IF exposed or concerned: Get medical advice/attention
مخصص للأغراض البحثية والصناعية فقط
الوثائق
أوراق بيانات السلامة (SDS)
متوفر بـ PT, FR, ES, DE, IT, EN.
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PT - (22117374) SODIUM SELENITE PENTAHYDRATE [26970-82-1].pdf
SDS · PT · 217 KB
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FR - (22117374) SODIUM SELENITE PENTAHYDRATE [26970-82-1].pdf
SDS · FR · 216 KB
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ES - (22117374) SODIUM SELENITE PENTAHYDRATE [26970-82-1].pdf
SDS · ES · 216 KB
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DE - (22117374) SODIUM SELENITE PENTAHYDRATE [26970-82-1].pdf
SDS · DE · 215 KB
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IT - (22117374) SODIUM SELENITE PENTAHYDRATE [26970-82-1].pdf
SDS · IT · 213 KB
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EN - (22117374) SODIUM SELENITE PENTAHYDRATE [26970-82-1].pdf
SDS · EN · 212 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 selenite pentahydrate used for?
It is primarily used as a selenium source in nutritional supplements, animal feed, and research applications requiring trace selenium.
What is the chemical formula and molecular weight of sodium selenite pentahydrate?
The formula is Na2O3Se · 5H2O with a molecular weight of 263.01 g/mol.
How should sodium selenite pentahydrate be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade is available for sodium selenite pentahydrate?
Available in research grade; specific industrial or pharmaceutical grades are not specified.
Can Molekula supply sodium selenite pentahydrate in bulk?
Yes, Molekula can supply bulk quantities—please contact sales for pricing and availability.
What documentation comes with an order of sodium selenite pentahydrate?
Each order includes a Certificate of Analysis (CoA); SDS is available upon request.
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أخبرنا بالمنتج، والجودة، والكمية — عادةً ما نرد خلال يوم عمل واحد بأسعار التوريد وموعد التسليم.