Molekula
Ammonium molybdate tetrahydrate
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Ammonium molybdate tetrahydrate is a molybdenum source used in catalysts, fertilizers, and laboratory reagents. It appears as a pale yellow crystalline solid. CAS: 12054-85-2, Molecular Formula: (NH4)6Mo7O24·4H2O, Molecular Weight: 1235.85 g/mol. Store at ambient temperature. Signal word: Warning.
Molekula supplies Ammonium molybdate tetrahydrate at ≥ 99.0% purity in 100 g, 250 g and 1 kg packs, from £29.76 inc. VAT. It is in stock for same-day dispatch. Every batch ships with a certificate of analysis, and safety data sheets are available in 9 languages. Larger quantities, up to multi-tonne, are quoted on request.
Example image for illustration only. Other packaging and pack sizes are available.
Often bought together
Pricing & pack sizes
In stock — same-day dispatch
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.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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100 g — £24.80 per pack ex VAT · £29.76 inc. VAT
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250 g — £70.00 per pack ex VAT · £84.00 inc. VAT
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1 kg — £124.50 per pack ex VAT · £149.40 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White to light yellow-green cyrstal |
| Identification | Conforms to reference |
| pH | (5% aq.sol.) 4.0 - 5.5 |
| Assay | ≥ 99.0% |
| Lead (Pb) | ≤ 100ppm |
| Molybdenum (Mo) | ≥ 53.5% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
For research use only. Not for human use.
Identification
| Property | Value |
|---|---|
| SKU | 19757224 |
| CAS Number | 12054-85-2 |
| Molecular Formula | (NH4)6Mo7O24·4H2O |
| Molecular Weight | 1235.85 |
| SMILES | N.N.N.N.N.N.O.O.O.O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O[Mo](O)(=O)=O.O[Mo](O)(=O)=O.O[Mo](O)(=O)=O |
| REACH Code | Y113 |
| HTS Code | 2841.70.1000 |
| Tariff Code | 2841700030 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, English (US), French, German, Italian, Polish, Portuguese, Spanish, Swedish.
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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is ammonium molybdate tetrahydrate used for?
It is primarily used as a source of molybdenum in catalysts, fertilizers, and laboratory reagents.
What is the chemical formula and molecular weight?
The formula is (NH4)6Mo7O24·4H2O with a molecular weight of 1235.85 g/mol.
How should ammonium molybdate tetrahydrate be stored?
Store at ambient temperature in a dry, well-ventilated area away from incompatible materials.
What grade is available?
It is supplied with an assay of ≥ 99.0% and a molybdenum (Mo) content of ≥ 53.5%.
Can Molekula supply it in bulk?
Yes, bulk quantities are available upon request; 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) with the shipment.
Where can I buy Ammonium molybdate tetrahydrate?
Directly from Molekula, which lists Ammonium molybdate tetrahydrate in 100 g, 250 g and 1 kg packs from £29.76 inc. VAT, with a certificate of analysis for every batch. Larger quantities are quoted on request. Molekula's offices: United Kingdom, France, Spain, Germany, Italy, United States and China.
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.