Home Categories Send inquiry

Best Price on Manufacturer Supplier Boron Nitride - Tantalum 7440-25-7 – Starsky


Product Name: Tantalum

CAS: 7440-25-7

MF: Ta

MW: 180.95

EINECS: 231-135-5

Melting point:2996 °C(lit.)

Boiling point :5425 °C(lit.)

Density:16.69 g/cm 3 (lit.)


Color:Gray to silver

Specific Gravity:16.6


Items Specifications
Product name Tantalum
Cas number 7440-25-7
Molecular formula Ta
Molecular weight 180.95
EINECS 231-135-5
Appearance black powder
Ni(%,Min) 99.9%


It is used to manufacture high quality electrolytic capacitors

It is widely used in military equipment and high-tech fields.

For example, space vehicle, television, computer and so on.


This product should be stored in dry, cool and sealing of the environment, can not be exposure to air, in addition should avoid the heavy pressure, according to ordinary goods transportation.


It can react with fluorine, strong alkali solution and fuming sulfuric acid at 200℃.

It can react with most non-metals when heated.

Avoid contact with oxides, halogens, alkalis, interhalogen compounds, and nitrogen fluoride.

Tantalum has strong corrosion resistance to strong acids, especially sulfuric acid.