Sodium selenite pentahydrate
Sodium selenite pentahydrate (CAS 26970-82-1), molecular formula Na2SeO3 · 5H2O, is a high-purity chemical supplied by Tech Serve Solutions for salts applications, to pharmacopoeia specification (USP, BP, EP). Every batch is tested and ships with a Certificate of Analysis; MSDS and technical data sheets are available on request. Tech Serve Solutions has supplied laboratory reagents, fine chemicals and pharmaceutical intermediates worldwide since 1998.
| Molecular weight | 263.01 |
|---|---|
| Linear formula | Na2SeO3 · 5H2O |
| Assay | ≥99.0% (RT) |
| Grade | puriss. p.a. |
| Impurities tested | ≤0.005% total nitrogen (N) |
Hazard statements
- H300Fatal if swallowed
- H317May cause an allergic skin reaction
- H331Toxic if inhaled
- H411Toxic to aquatic life with long-lasting effects
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P264Wash thoroughly after handling
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P311Call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 2630 6.1/PG 1 |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | T+,N |
| Risk statements (R) | 23-28-31-43-51/53 |
| Safety statements (S) | 28-36/37-45-61 |
| Supplemental hazards | Contact with acids liberates toxic gas. |
| Cation traces | Ca: ≤20 mg/kgCd: ≤5 mg/kgCo: ≤5 mg/kgCr: ≤5 mg/kgCu: ≤5 mg/kgFe: ≤10 mg/kgK: ≤50 mg/kgMg: ≤5 mg/kgMn: ≤5 mg/kgNi: ≤5 mg/kgPb: ≤5 mg/kgZn: ≤5 mg/kg |
| Anion traces | chloride (Cl-): ≤50 mg/kgselenate, sulfate (as SO42-): ≤50 mg/kg |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Supplied to USP, BP and EP standards. Every batch ships with a Certificate of Analysis (assay, identity, purity); MSDS and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Sodium selenite pentahydrate?
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Sodium selenite pentahydrate (CAS 26970-82-1), molecular formula Na2SeO3 · 5H2O, is a high-purity chemical supplied by Tech Serve Solutions for salts applications, to USP, BP and EP standards.
What grades of Sodium selenite pentahydrate does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Sodium selenite pentahydrate in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.
What is the CAS number and molecular formula of Sodium selenite pentahydrate?
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Sodium selenite pentahydrate has CAS number 26970-82-1 and molecular formula Na2SeO3 · 5H2O. Full specifications appear in the table above and in the Certificate of Analysis.
What is the typical minimum order quantity and lead time for Sodium selenite pentahydrate?
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Sample quantities are available for technical evaluation; bulk MOQ depends on grade and packaging. In-stock material typically ships in 7–10 working days; custom-spec orders take 3–4 weeks. Tech Serve Solutions ships worldwide with full export documentation.
Do you provide a Certificate of Analysis (CoA) with each shipment?
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Yes. Every batch of Sodium selenite pentahydrate ships with a Certificate of Analysis covering assay, identity and purity tests, plus pharmacopoeia conformance where applicable. MSDS and TDS documents are available on request before order placement.
How should Sodium selenite pentahydrate be stored?
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Store Sodium selenite pentahydrate in its original sealed container in a cool, dry place away from direct sunlight and incompatible materials, in line with the storage guidance on the Safety Data Sheet. Reseal between dispensings.
What is Sodium selenite pentahydrate used for?
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Sodium selenite pentahydrate is used in salts applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.
How do I request a quote for Sodium selenite pentahydrate?
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Request a quote with your required grade, quantity and destination via https://www.techservesolutions.in/contact or email info@techservesolutions.in. We respond with specifications, a Certificate of Analysis and pricing.
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