Molekula
Sodium molybdate dihydrate
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
Sodium molybdate dihydrate is a water-soluble inorganic compound used as a corrosion inhibitor, catalyst, and molybdenum source in industrial and laboratory applications. It is also used to make pigments, as a bath additive in metal finishing, and as a molybdenum micronutrient in fertilizers. It appears as colorless to pale yellow crystals. CAS: 10102-40-6, Molecular formula: MoNa2O4 · 2H2O, Molecular weight: 241.96 g/mol, Storage: Ambient. Molekula supplies Sodium molybdate dihydrate 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.
Often bought together
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.
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 — £30.50 per pack ex VAT · £36.60 inc. VAT
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1 kg — £151.20 per pack ex VAT · £181.44 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 crystal powder |
| Identification | Conforms to reference |
| Chloride (Cl-) | ≤0.025 % |
| Insolubles | ≤0.05 % |
| Cadmium (Cd) | ≤0.001 % |
| Iron (Fe) | ≤0.001 % |
| Lead (Pb) | ≤0.001 % |
| Mercury (Hg) | ≤0.0001 % |
| Molybdenum (Mo) | ≥39 % |
| pH (5% sol) | 8 - 10 |
| Sulphates (SO4)(2-) | ≤0.3 % |
| Purity Na2MoO4 · 2H2O | ≥99% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Base |
Identification
| Property | Value |
|---|---|
| SKU | 11137082 |
| CAS Number | 10102-40-6 |
| IUPAC Name | disodium;dioxido(dioxo)molybdenum;dihydrate |
| Molecular Formula | MoNa2O4 · 2H2O |
| Molecular Weight | 241.96 |
| Exact Mass | 243.8857 |
| SMILES | O.O.[O-][Mo](=O)(=O)[O-].[Na+].[Na+] |
| InChIKey | FDEIWTXVNPKYDL-UHFFFAOYSA-N |
| InChI | InChI=1S/Mo.2Na.2H2O.4O/h;;;2*1H2;;;;/q;2*+1;;;;;2*-1 |
| PubChem CID | 16211258 |
| REACH Code | Y110 |
| HTS Code | 2841705000 |
| Tariff Code | 2841700090 |
Safety & GHS
Precautionary statements
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
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
- Disodium molybdenum(VI) oxide dihydrate
- Molybdate (MoO42), disodium, dihydrate, (T4)
- Molybdic acid sodium salt dihydrate
- Molyhibit 100
- Na2MoO4.2H2O
- sodium dioxido(dioxo)molybdenum--water (1/2)
- SODIUM MOLYBDATE DIHYDRATE (EP MONOGRAPH)
- SODIUM MOLYBDATE DIHYDRATE (USP-RS)
- Sodium molybdate(VI) dihydrate
- sodium orthomolybdate dihydrate
Frequently asked questions
What is sodium molybdate dihydrate used for?
It is primarily used as a corrosion inhibitor in cooling water systems and as a catalyst in chemical reactions.
What is the chemical formula and molecular weight?
The formula is MoNa2O4 · 2H2O with a molecular weight of 241.96 g/mol.
How should sodium molybdate dihydrate be stored?
It should be stored at ambient temperature, protected from moisture and direct sunlight.
What grade is available?
Available in technical grade; specific higher grades may be available upon request.
Can Molekula supply sodium molybdate dihydrate in bulk?
Yes, bulk quantities are available—please contact our sales team for pricing and availability.
What documentation comes with the order?
Each order includes a Certificate of Analysis (CoA); additional documentation such as SDS 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.