Ammonium phosphomolybdate hydrate
Ammonium phosphomolybdate hydrate (CAS 54723-94-3) is a chemical compound with the linear formula (NH₄)₃PMo₁₂O₄₀ · xH₂O and a molecular weight of 1876.35 (anhydrous basis). Supplied by Tech Serve Solutions, this compound serves as a valuable reagent in various chemical synthesis applications. It is recognised for its utility within catalysis and inorganic chemistry, particularly in fields involving molybdenum compounds and oxidizing agents.
- IUPAC
- Ammonium-12-molybdophosphate,Molybdophosphoric acid ammonium salt,Phosphomolybdic acid ammonium salt hydrate
- Synonyms
- Ammonium-12-molybdophosphateMolybdophosphoric acid ammonium saltPhosphomolybdic acid ammonium salt hydrate

Catalyst in Chemical Synthesis
Ammonium phosphomolybdate hydrate can function as a catalyst or co-catalyst in various organic transformations. Its structure lends itself to promoting specific reaction pathways in heterogeneous and homogeneous catalysis.
Precursor for Molybdenum Compounds
This compound acts as a source of molybdenum and phosphorus in the preparation of other complex inorganic materials and coordination compounds. It is useful in materials science research and development.
Reagent in Analytical Chemistry
Due to its properties as an oxidizing agent and its specific ion interactions, it may be employed in certain analytical methods for the detection or quantification of target substances. Its precise role depends on the specific analytical procedure.
| Molecular weight | 1876.35 (anhydrous basis) |
|---|---|
| Linear formula | (NH4)3PMo12O40 · xH2O |
| Grade | purum |
| Storage temperature | 2-8°C |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| 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 |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
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 Ammonium phosphomolybdate hydrate used for?
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Ammonium phosphomolybdate hydrate is used in catalysis and inorganic chemistry, chemical synthesis, and as a source of molybdenum and phosphorus in the preparation of other compounds. It can also function as an oxidizing agent and a reagent in analytical chemistry.
What is the CAS number and formula for Ammonium phosphomolybdate hydrate?
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The CAS number is 54723-94-3 and the linear formula is (NH₄)₃PMo₁₂O₄₀ · xH₂O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Ammonium phosphomolybdate hydrate in Purum grade. We do not represent this product as USP, BP, or EP grade.
How should Ammonium phosphomolybdate hydrate be handled safely?
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Ammonium phosphomolybdate hydrate is classified as a warning substance that causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Ensure adequate ventilation and wear appropriate personal protective equipment including eyeshields, gloves, and a suitable respirator.
How is Ammonium phosphomolybdate hydrate typically packed and shipped?
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Products are packed in compliance with international shipping regulations for chemicals. Specific packaging details are available upon request, and TSS is experienced in exporting chemicals globally.
How can I request a sample or quote for Ammonium phosphomolybdate hydrate?
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To request a sample or a quote, please contact our sales department through the website or by phone. Please specify the required quantity and any specific delivery requirements.
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