Molekula
tri-Ammonium phosphate trihydrate
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Tri-ammonium phosphate trihydrate is a water-soluble inorganic compound used in fertilizers, flame retardants, and as a reagent in chemical synthesis. It appears as a white crystalline solid and is stable under ambient storage conditions. CAS: 25447-33-0, Molecular formula: (NH4)3PO4·3(H2O), Molecular weight: 203.13 g/mol. Signal word: Warning. Molekula supplies tri-Ammonium phosphate trihydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
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1 kg — £76.20 per pack ex VAT · £91.44 inc. VAT
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Specifications
| Property | Value |
|---|---|
| Appearance | White to off-white powder |
| Assay (Titration) | ≤98% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 11810524 |
| CAS Number | 25447-33-0 |
| IUPAC Name | triazanium;phosphate;trihydrate |
| Molecular Formula | (NH4)3PO4·3(H2O) |
| Molecular Weight | 203.13 |
| Exact Mass | 203.0882 |
| SMILES | [NH4+].[NH4+].[NH4+].O.O.O.[O-]P(=O)([O-])[O-] |
| InChIKey | DDXPLCBTGWFAIG-UHFFFAOYSA-N |
| InChI | InChI=1S/3H3N.H3O4P.3H2O/c;;;1-5(2,3)4;;;/h3*1H3;(H3,1,2,3,4);3*1H2 |
| PubChem CID | 23213303 |
| REACH Code | Y113 |
| HTS Code | 2811295000 |
| Tariff Code | 2811299090 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- Ammonium phosphate--water (3/1/3)
- Phosphoric acid, triammonium salt, trihydrate
- triazanium;phosphate;trihydrate
Frequently asked questions
What is tri-Ammonium phosphate trihydrate used for?
It is primarily used as a nitrogen and phosphorus source in agricultural fertilizers and specialized chemical synthesis.
What is the chemical formula and molecular weight?
The formula is (NH4)3PO4·3(H2O) with a molecular weight of 203.13 g/mol.
How should tri-Ammonium phosphate trihydrate be stored?
It should be stored at ambient temperature, protected from moisture and heat.
What grade is available for this product?
This product is available in technical grade; custom grades may be available upon request.
Can Molekula supply tri-Ammonium phosphate trihydrate in bulk?
Yes, Molekula can supply this product in bulk quantities; please contact our sales team for pricing and availability.
What documentation comes with the order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.