CALCIUM MOLYBDATE Property

Melting point:

965°C

Density 

4.35 g/mL at 25 °C(lit.)

solubility 

insoluble in ethanol; soluble in concentrated acid solutions

form 

Powder

Specific Gravity

4.38～4.53

color 

White

Water Solubility 

Soluble in mineral acids. Insoluble in water, ethanol, ethyl ether.

Merck 

14,1681

Solubility Product Constant (Ksp)

pKsp: 7.84

Exposure limits

ACGIH: TWA 10 mg/m3; TWA 3 mg/m3
NIOSH: IDLH 5000 mg/m3

CAS DataBase Reference

7789-82-4(CAS DataBase Reference)

EPA Substance Registry System

Molybdate (MoO42-), calcium (1:1), (T-4)- (7789-82-4)

Safety

Hazard Codes 

T

Risk Statements 

23/24/25-36/37/38

Safety Statements 

22-26-36/37/39-45

RIDADR 

UN 3288 6.1/PG 3

WGK Germany 

3

RTECS 

EW2975000

TSCA 

Yes

HazardClass 

6.1(b)

PackingGroup 

III

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P405Store locked up.

CALCIUM MOLYBDATE Chemical Properties,Usage,Production

Chemical Properties

White, crystalline powder.Soluble in mineral acids; insoluble in alcohol, ether, or water. Noncom- bustible.

Uses

In phosphors and luminescent materials.

Uses

Calcium molybdenum oxide is used as an alloying agent in the production of iron and steel, crystals in the optical and electronic applications.

Flammability and Explosibility

Not classified

Safety Profile

Poison by intraperitoneal route. See also MOLYBDENUM and CALCIUM COMPOUNDS.