Chromium(III) phosphate hydrate
Chromium(III) phosphate hydrate (CAS: 84359-31-9) is a chemical compound with the linear formula CrPO₄ · xH₂O. Available as a powder, it is typically supplied at an assay of ≥99.9% on a trace metals basis. This chromium salt finds applications in materials science and research, contributing to various chemical processes and studies. Its density is approximately 2.12 g/mL at 25 °C.

Materials Science Research
Chromium(III) phosphate hydrate serves as a reagent in materials science for the development and investigation of novel materials. Its properties are explored in advanced research settings.
Chemical Synthesis
Utilised as a precursor or component in various chemical syntheses, particularly within research and development laboratories. It contributes to the creation of complex inorganic compounds.
Analytical Chemistry
May be employed in specific analytical procedures where chromium or phosphate analysis is required. Its defined purity makes it suitable for controlled experimental conditions.
| Molecular weight | 146.97 (anhydrous basis) |
|---|---|
| Linear formula | CrPO4 · xH2O |
| Assay | ≥99.9% trace metals basis |
| Form | powder |
| Density | 2.12 g/mL at 25 °C(lit.) |
| Melting point | 120-140 °C (dec.)(lit.) |

Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call 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 3260 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 26-36/37/39-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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 Chromium(III) phosphate hydrate used for?
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Chromium(III) phosphate hydrate is primarily used in materials science research and chemical synthesis within laboratory settings.
What is the CAS number and formula for Chromium(III) phosphate hydrate?
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The CAS number is 84359-31-9, and the linear formula is CrPO₄ · xH₂O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Chromium(III) phosphate hydrate with an assay of ≥99.9% on a trace metals basis. We do not represent this product as USP, BP, or EP grade.
How should Chromium(III) phosphate hydrate be handled safely?
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Chromium(III) phosphate hydrate is classified as Danger (GHS05) and causes severe skin burns and eye damage (H314). Appropriate personal protective equipment, including eyeshields, face shields, and chemical-resistant gloves, must be worn. Use a full-face particle respirator (type N100 US or P3 EN143) when handling.
Is Chromium(III) phosphate hydrate packed and exported by TSS?
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Yes, Tech Serve Solutions, as a specialist global supplier and exporter, packs and exports Chromium(III) phosphate hydrate.
How can I request a quote or sample for Chromium(III) phosphate hydrate?
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To request a quote or sample, please contact our sales team through the website or by calling us directly.
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