- Molybdate (MoO42-), disodium, (T-4)-
- Disodium molybdate
- Molybdic acid (H2MoO4), disodium salt
- Disodium tetraoxomolybdate
- Molybdenum sodium oxide
- Sodium tetraoxomolybdate(2-)
Colorless cubic crystals
Production of inorganic and organic pigments, corrosion inhibitor, bath additive for metals finishing, reagent for alkaloids, micronutrient for plants and animals.
Registry Numbers and Inventories.
Mutagen; Reproductive Effector
Japan ENCS (MITI)
Melting point, °C
3.28 g/cm3 (18 C)
Solubility in water
394 g/L (25 C)
Heat of fusion
Hazards and Protection.
Keep tightly closed.
Compatible chemical-resistant gloves. Chemical safety goggles.
Government approved respirator.
Sweep up, place in a bag and hold for waste disposal. Avoid raising dust. Ventilate area and wash spill site after material pickup is complete.
Stable at normal temperatures and pressures.
Strong oxidizing agents.
Carbon monoxide, Carbon dioxide, Molybdenum oxides.
Extinguish using Water spray. Carbon dioxide, dry chemical powder, or appropriate foam. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.
Emits toxic fumes under fire conditions.
Irritant. Irritating to eyes, respiratory system and skin.
May be harmful if swallowed.
Material is irritating to mucous membranes and upper respiratory tract. May be harmful if inhaled.
Causes skin irritation. May be harmful if absorbed through the skin.
Causes eye irritation.
If swallowed, wash out mouth with water provided person is conscious. Call a physician.
If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen.
In case of contact, immediately wash skin with soap and copious amounts of water.
In case of contact, immediately flush eyes with copious amounts of water for at least 15 minutes.