Aluminum phosphate hydrate, light
Aluminum phosphate hydrate, light (CAS 66905-65-5), with the linear formula AlPO₄ · aq, is a chemical compound typically supplied as a light-coloured powder. It serves as a valuable reagent in various chemical synthesis processes. Its properties make it suitable for applications requiring a source of aluminum and phosphate ions in inorganic salt formulations and as a general synthetic reagent.
- Synonyms
- AlPO4 · aq

Chemical Synthesis
Utilised as a reagent in the synthesis of other chemical compounds, particularly in inorganic chemistry. Its controlled reactivity allows for specific reaction pathways.
Inorganic Salt Formulations
Incorporated into formulations requiring inorganic salts. It can contribute specific properties related to aluminum and phosphate content.
Synthetic Reagent
Serves as a general-purpose synthetic reagent in laboratory settings for research and development purposes. Its hydrated nature influences its behaviour in solution.
| Molecular weight | 121.95 (anhydrous basis) |
|---|---|
| Linear formula | AlPO4 · aq |
| Assay | ≥93% (calc. for dried substance) |
| Grade | purum |
| Loss on drying | ≤25% loss on ignition |

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 1759 8 / PGIII |
| Water hazard class (WGK, DE) | 1 |
| 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 Aluminum phosphate hydrate, light used for?
+
Aluminum phosphate hydrate, light is primarily used as a reagent in chemical synthesis, for inorganic salt formulations, and as a general synthetic reagent.
What is the CAS number and formula for Aluminum phosphate hydrate, light?
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The CAS number is 66905-65-5 and the linear formula is AlPO₄ · aq.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Aluminum phosphate hydrate, light in 'purum' grade with an assay of ≥93% (calc. for dried substance). We do not represent this product as USP, BP, or EP grade.
How should Aluminum phosphate hydrate, light be handled safely?
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This compound is classified as Danger with hazard statement H314 (Causes severe skin burns and eye damage). Appropriate personal protective equipment, including eyeshields, face shields, and suitable respiratory protection, must be used. Handle in a well-ventilated area and follow emergency procedures. Refer to the Safety Data Sheet for comprehensive guidance.
How is this chemical packed and exported?
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This product is packed and exported in compliance with international shipping regulations, including UN 1759 classification for corrosive solids.
How can I request a sample or quote for Aluminum phosphate hydrate, light?
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To request a sample or a quote, please contact the Tech Serve Solutions sales team through our official website or provide your details via the inquiry form.
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