Sodium phosphate dibasic
Sodium phosphate dibasic (CAS 7558-79-4), molecular formula Na2HPO4, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis 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.
- IUPAC
- sec-Sodium phosphate,Disodium hydrogen phosphate,Disodium phosphate,Sodium hydrogenphosphate
| Molecular weight | 141.96 |
|---|---|
| Linear formula | Na2HPO4 |
| Assay | ≥99.0% |
| Density | 1.064 g/mL at 20 °C |
| Solubility | H2O: soluble8 partsH2O: very soluble (Hot)alcohol: insoluble |
| pH | 8.7-9.3 (25 °C, 5% in solution) |
| Concentration | 0.5 M in H2O |
| Loss on drying | ≤0.2% loss on drying, 105°C |
| Impurities tested | ≤0.002% Chloride (Cl)≤0.01% Insoluble matter |
| Suitability | complies for appearance of solution |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Transport (UN / ADR) | UN 3077 9 / PGIII |
| Water hazard class (WGK, DE) | 1 |
| Cation traces | Fe: ≤0.002%heavy metals (as Pb): ≤0.001% |
| Anion traces | sulfate (SO42-): ≤0.005% |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Pharmacopeia | testing conforms to Pharmacopeia |
|---|---|
| Pka 25 °C | (1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid) |
| Uv Absorption | λ: 260 nm Amax: 0.019λ: 280 nm Amax: 0.016 |
| Absorption | A1M/260, H2O A1M/280, H2O <0.05 |
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 phosphate dibasic?
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Sodium phosphate dibasic (CAS 7558-79-4), molecular formula Na2HPO4, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to USP, BP and EP standards.
What grades of Sodium phosphate dibasic does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Sodium phosphate dibasic 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 phosphate dibasic?
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Sodium phosphate dibasic has CAS number 7558-79-4 and molecular formula Na2HPO4. 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 phosphate dibasic?
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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 phosphate dibasic 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 phosphate dibasic be stored?
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Store Sodium phosphate dibasic 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 phosphate dibasic used for?
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Sodium phosphate dibasic is used in chemical synthesis 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 phosphate dibasic?
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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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