Product Identification

Product Name

Sodium molybdate

Synonyms

Disodium molybdate
Disodium tetraoxomolybdate
Molybdate (MoO42-), disodium, (T-4)-
Molybdenum sodium oxide
Molybdic acid (H2MoO4), disodium salt
Sodium tetraoxomolybdate(2-)

CAS

7631-95-0

Formula

MoNa2O4

Molecular Weight

205.92

EINECS

231-551-7

RTECS

QA5075000

RTECS Class

Mutagen; Reproductive Effector

Merck

13,8718

Beilstein/Gmelin

23024 (G)

Physical and Chemical Properties

Appearance

Colorless cubic crystals

Solubility in water

394 g/L (25 C)

Melting Point

687

Density

3.28 g/cm3 (18 C)

Heat Of Vaporization

Usage

Production of inorganic and organic pigments, corrosion inhibitor, bath additive for metals finishing, reagent for alkaloids, micronutrient for plants and animals.

Refractive Index

1.714

First Aid Measures

Ingestion

If swallowed, wash out mouth with water provided person is conscious. Call a physician.

Inhalation

If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen.

Skin

In case of contact, immediately wash skin with soap and copious amounts of water.

Eyes

In case of contact, immediately flush eyes with copious amounts of water for at least 15 minutes.

Handling and Storage

Storage

Keep tightly closed.

Hazards Identification

Inhalation

Material is irritating to mucous membranes and upper respiratory tract. May be harmful if inhaled.

Skin

Causes skin irritation. May be harmful if absorbed through the skin.

Eyes

Causes eye irritation.

Ingestion

May be harmful if swallowed.

Hazards

Emits toxic fumes under fire conditions.

EC Risk Phrase

36/37/38

EC Safety Phrase

26 37/39

Exposure Controls/Personal Protection

Personal Protection

Compatible chemical-resistant gloves. Chemical safety goggles.

Respirators

Government approved respirator.

Exposure Effects

Irritant. Irritating to eyes, respiratory system and skin.

Fire Fighting Measures

Fire Fighting

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.

Accidental Release Measures

Small spills/leaks

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.

Stability and Reactivity

Stability

Stable at normal temperatures and pressures.

Incompatibilities

Strong oxidizing agents.

Decomposition

Carbon monoxide, Carbon dioxide, Molybdenum oxides.