Sodium phosphate monobasic dihydrate
Sodium phosphate monobasic dihydrate (CAS: 13472-35-0; Formula: NaH2PO4 · 2H2O; Molar Mass: 156.01) is a high-purity crystalline inorganic salt. Supplied as a 'purum p.a.' grade, it is suitable for various chemical synthesis applications and laboratory reagents. Its solubility in water and specific pH buffering capabilities make it a versatile compound in scientific research and industrial processes.
- IUPAC
- Sodium dihydrogen phosphate dihydrate
- Synonyms
- Sodium dihydrogen phosphate dihydrate
Chemical Synthesis
Utilised as a reagent and pH buffer in organic and inorganic synthesis. Its defined purity level supports reliable reaction outcomes in research and development settings.
Laboratory Reagent
Serves as a component in buffer solutions and analytical procedures. The 'purum p.a.' grade ensures suitability for a wide range of laboratory applications requiring precise chemical compositions.
Inorganic Salt Applications
Acts as a source of phosphate ions in various inorganic chemical processes. Its dihydrate form offers specific handling and dissolution characteristics.
| Molecular weight | 156.01 |
|---|---|
| Linear formula | NaH2PO4 · 2H2O |
| Assay | 98-100.5% (calc. to the dried substance) |
| Grade | purum p.a. |
| Solubility | H2O: soluble1 M at 20 °C, clear, colorless |
| pH | 4.1-5.0 (20 °C, 1%)4.2-4.5 (20 °C, 5%) |
| Loss on drying | 21.5-24.0% loss on drying, 130 °C |
| Impurities tested | heavy metals (as Pb), compliesorganic volatile impurities, compliesreducing matter, compliesrelated substances, compliesresidual solvents, complies≤0.2% water-insoluble matter |
| Suitability | complies for appearance of solution |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 1 |
| Cation traces | Al:, in accordanceAs: ≤2 mg/kgCa: ≤20 mg/kgCa:, in accordanceCd: ≤1 mg/kgCu: ≤10 mg/kgFe: ≤5 mg/kgHg: ≤1 mg/kgMg: ≤20 mg/kgPb: ≤4 mg/kgZn: ≤10 mg/kg |
| Anion traces | chloride (Cl-): ≤50 mg/kgfluoride (F-): ≤10 mg/kgsulfate (SO42-): ≤200 mg/kg |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Quality Level | PREMIUM |
|---|---|
| Quality | crystallized |
| Uv Absorption | λ: 260 nm Amax: 0.085λ: 280 nm Amax: 0.070 |
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets 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 monobasic dihydrate used for?
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Sodium phosphate monobasic dihydrate is used in chemical synthesis and as a laboratory reagent, particularly in buffer solutions and analytical procedures.
What are the CAS number and chemical formula for Sodium phosphate monobasic dihydrate?
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The CAS number is 13472-35-0 and the chemical formula is NaH2PO4 · 2H2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Sodium phosphate monobasic dihydrate in 'purum p.a.' grade, with an assay of 98-100.5% (calc. to the dried substance).
How should Sodium phosphate monobasic dihydrate be handled?
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Handle with appropriate personal protective equipment, including eyeshields and gloves. Use a type N95 (US) or type P1 (EN143) respirator filter if needed. Consult the safety data sheet for full details.
Is Sodium phosphate monobasic dihydrate a controlled substance?
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This product is not listed as a controlled substance in the provided data.
How is this chemical packed, shipped, and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, ensuring appropriate packaging and adherence to international shipping regulations.
How can I request a sample or quote for Sodium phosphate monobasic dihydrate?
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Please contact our sales team through the website or via direct inquiry to request a sample or a quotation for Sodium phosphate monobasic dihydrate.
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