Sodium molybdate
General Product Information
| Article | Sodium molybdate |
| Synonyms | Sodium molybdate dihydrate, Disodium molybdate |
| CAS No. | 10102-40-6 |
| EEG No. | – |
| EINECS No. | 231-551-7 |
| IMO | – |
| Tariff Code | 28417000 |
| UN No. | – |
| VLG/ADR | – |
Description
Sodium molybdate is an inorganic salt of molybdenum. It is often offered in hydrated form as sodium molybdate dihydrate. It is a white, crystalline powder that is highly soluble in water and mildly alkaline in reaction. Due to its stability, solubility and nontoxic nature, it is widely used in industrial applications such as corrosion inhibition, Agriculture and catalysis .
Characteristics
- Odor: –
- Hygroscopic: –
- Color: White.
- Grade: Technical.
- Solubility: Highly soluble in water.
- Shape: Crystalline powder.
Physical & Chemical Properties
| Chemical Structure |
Na2 MoO4-2H2O |
| Molar Weight | 241.95 g/mol |
| Melting Point | – |
| Boiling Point | – |
| Density | – |
| Refractive Index | – |
| pH. | Approx. 9-10 (on 1% solution). |
Applications
Sodium molybdate is applied in various ways, for instance:
1. Chemical Industry
In the Chemical Industry, it serves as a source of molybdenum for the production of catalysts, which are used at oil desulfurization and polymerization processes, among others.
2. Agriculture
In Agriculture, sodium molybdate is an essential trace element for plants. It promotes enzymatic processes and nitrogen assimilation.
3. Corrosion protection
Sodium molybdate is used as a corrosion inhibitor in closed water systems, such as cooling systems, HVAC systems and industrial boilers.
4. Metal Industry
In specific Applications, sodium molybdate is used as an oxidizing agent or as an auxiliary agent in electroplating and pickling processes.
5. Laboratories
Used in analytical chemistry for the detection of phosphates, silicates and arsenates.
Interessing Links
- CAS Common Chemistry – Sodium molybdate (Na2MoO4) dihydrate
- European Chemicals Agency (ECHA) – For chemical information and regulations.
- PubChem – Sodium molybdate dihydrate – Chemical information by the National Library of Medicine of the National Center for Biotechnology Information (NIH-NCBI).
- Wikipedia – Sodium molybdate