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Sodium Molybdate Dihydrate
IDENTIFICATIONSynonyms: disodium molybdate dihydrate
CAS No.: 10102-40-6 EC No.: 231-551-7 RTECS No.: QA5075000
Molecular Weight: 241.95
Molecular Formula: Na2MoO4.2H2O
Density: 3.78g/cm3
m.p.: 687°C
Solubility in water: 84g/100ml
By dissolving MoO3 in sodium hydroxide at 50–70°C and crystallizing the filtered product, sodium molybdate dihydrate can be obtained:
MoO3 + 2NaOH → Na2MoO4·2H2O
1) The agriculture industry uses sodium molybdate as a fertilizer. In particular, it has been suggested for treatment of whiptail in broccoliand cauliflower in molybdenum-deficient soils. However, care must be taken because at a level of 0.3 ppm sodium molybdate can cause copper deficiencies in animals, particularly cattle.
2) Sodium molybdate is used in industry as a non-oxidizing anodic corrosion inhibitor. The addition of sodium molybdate significantly reduces the nitrite requirement of fluids inhibited with nitrite-amine, and improves the corrosion protection of carboxylate salt fluids.
3) Sodium molybdate is also applied in pigments industry
| Sodium molybdate dihydrate Content | 99.4% min. |
|---|---|
| Mo | 39.4% |
| Heavy Metals | 0.001% max |
| Insolubles in ammonia | 0.05% max |
| Appearance | white crystal powder |
50kgs net/iron drums lined with plastic bags or 25kgs net/woven bags lined with plastic bags, or according to customer’s requirement
Not regulated by UN as hazardous substance.
For more information, please see MSDS