Phosphate standard solution
Phosphate standard solution (CAS: 7778-77-0) is a high-purity potassium phosphate-based reagent. It serves as a critical reference material in analytical chemistry for calibrating instruments and validating methods, particularly for phosphate ion determination. Its defined concentration and low impurity profile ensure accurate quantitative analysis across various scientific disciplines, including environmental testing and industrial quality control. Supplied by Tech Serve Solutions, this solution facilitates reliable and reproducible analytical outcomes.
- IUPAC
- Monopotassium phosphate,Potassium dihydrogen phosphate,prim.-Potassium phosphate
- Synonyms
- Monopotassium phosphatePotassium dihydrogen phosphateprim.-Potassium phosphate
Analytical Standard
Utilised as a primary or secondary standard for the quantitative determination of phosphate ions (PO43-) using techniques such as spectrophotometry, ion chromatography, or titration. Ensures accuracy in instrument calibration and method validation.
Quality Control
Applied in industrial quality control laboratories to verify the performance of analytical equipment and the accuracy of testing procedures for phosphate levels in various matrices.
Environmental Monitoring
Essential for analysing phosphate concentrations in environmental samples like water bodies, contributing to ecological assessments and pollution monitoring.
Research and Development
A dependable reagent for R&D applications requiring precise phosphate measurements, supporting investigations in chemistry, biology, and materials science.
| Assay | ≥99.0% |
|---|---|
| Density | 2.338 g/mL at 25 °C(lit.) |
| Solubility | H2O: soluble1 M at 20 °C, clear, colorless |
| pH | 4.1-4.5 (25 °C, 5%) |
| Concentration | 0.1 mg/mL PO43- |
| Loss on drying | ≤0.2% loss on drying, 105°C |
| Impurities tested | ≤0.01% Insoluble matter |
| Melting point | 252.6 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, half-mask respirator (EU), half-mask respirator (US), multi-purpose combination respirator cartridge (US) |
|---|---|
| Water hazard class (WGK, DE) | nwg |
| Cation traces | Fe: ≤0.002%Na: ≤0.005%heavy metals (as Pb): ≤0.001% |
| Anion traces | chloride (Cl-): ≤0.001%sulfate (SO42-): ≤0.003% |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Availability | available only in Japan |
|---|---|
| Uv Absorption | λ: 260 nm Amax: 0.046λ: 280 nm Amax: 0.040 |
| Sterility | 0.2 μm filtered |
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 Phosphate standard solution used for?
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Phosphate standard solution is primarily used as an analytical reference standard for the accurate determination of phosphate ions (PO43-) in various samples and for instrument calibration.
What is the CAS number and formula for Phosphate standard solution?
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The CAS number is 7778-77-0. The chemical formula for the primary component, monopotassium phosphate, is KH2PO4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Phosphate standard solution with an assay of ≥99.0% and ≤0.01% insoluble matter. This is a technical/research grade and TSS does not represent it as USP/BP/EP.
How should Phosphate standard solution be handled safely?
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Handle with appropriate personal protective equipment, including eyeshields and gloves. Ensure adequate ventilation and consult the Safety Data Sheet (SDS) for detailed handling and hazard information. The product is not classified as hazardous for transport (WGK Germany: nwg).
Is Phosphate standard solution available for export?
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Phosphate standard solution is available and can be packed and shipped by Tech Serve Solutions.
How can I request a quote or sample?
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Please contact our sales team via the website or provide your details through the 'Request a Quote' or 'Sample Request' forms to receive a prompt response.
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