Molekula
Sodium selenite anhydrous
Sodium selenite anhydrous is a white, crystalline powder used as a selenium source in biochemical research and nutritional supplements. It is employed in cell culture media and as a reagent in analytical chemistry. Available with CAS number 10102-18-8, molecular formula Na2SeO3, and molecular weight 172.94 g/mol. Stored at ambient temperatures. Hazard classification includes signal word Danger. Molekula supplies Sodium selenite anhydrous from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Sodium selenite anhydrous is a white, crystalline powder used as a selenium source in biochemical research and nutritional supplements. It is employed in cell culture media and as a reagent in analytical chemistry. Available with CAS number 10102-18-8, molecular formula Na2SeO3, and molecular weight 172.94 g/mol. Stored at ambient temperatures. Hazard classification includes signal word Danger. Molekula supplies Sodium selenite anhydrous from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | White powder |
| NO3 | ≤ 0.01% |
| Chloride (Cl) | ≤ 0.1% |
| Assay | ≥ 98.0% |
| Se | ≥ 45.0% |
| Selenate and sulphate | ≤ 0.03% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 6.1 |
| Packing Group | I |
| Shelf Life | 48 months |
| Acidity | Base |
Identification
| Property | Value |
|---|---|
| CAS Number | 10102-18-8 |
| Molecular Formula | Na2SeO3 |
| Molecular Weight | 172.94 |
| SMILES | [Na].O=[Se](O)O |
| EC / UN Number | 2630 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2842.90.90.50 |
| Tariff Code | 2842901090 |
Safety & GHS
-
Corrosive
GHS05
-
Toxic
GHS06
Hazard statements
- EUH031 Contact with acids liberates toxic gas
- H300 Fatal if swallowed
- H317 May cause an allergic skin reaction
- H319 Causes serious eye irritation
- H330 Fatal if inhaled
- H410 Very toxic to aquatic life with long lasting effects
Precautionary statements
- 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
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
For research and industrial use only
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Pricing & pack sizes
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is sodium selenite anhydrous used for?
It is primarily used as a selenium source in nutritional supplements, animal feed, and laboratory research.
What is the chemical formula and molecular weight of sodium selenite anhydrous?
The formula is Na2SeO3 and the molecular weight is 172.94 g/mol.
How should sodium selenite anhydrous be stored?
It should be stored at ambient temperature in a dry, well-ventilated area.
What grade is available for sodium selenite anhydrous?
Available in reagent grade and research grade; specific grades may vary by order size.
Can Molekula supply sodium selenite anhydrous in bulk?
Yes, Molekula can supply sodium selenite anhydrous in bulk quantities—please contact sales for details.
What documentation comes with a purchase of sodium selenite anhydrous?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.