Product Name

Tantalum

UN Number

Not applicable

CAS #

7440-25-7

WHMIS Classification

This is not a controlled product

Chemical Formula

Ta

Chemical Family

Refractory Metal

Product Use

Thin films,Glass,optical intruments etc.

Available Packaging

Packed in synthetic case

Responsible Party

Solution Resources Corporation (SRC)
Rm706,East Star Building,1508 Jiangpu Rd. Shanghai China
Post Code:200092
For further information,please contact SRC MSDS coordinator
at +86 13817363982
Working time:9:00am-17:00pm , Monday-Friday

  Not Established

Boiling Point

9797° F (5425° C) approx.

Melting Point:  

 5425° F (2996° C)

Vapor Pressure

 1 kpa @ 3024° C 

Specific gravity (water=1):  

 16.69

Solvent Solubility

Soluble in hydrofluoric acid, fused alkalies, fuming, sulfuric acid, and a mixture of hydrofluoric and nitric acids; insoluble in other acids and alkalis.

 Solubility in H2O:      

Insoluble

Appearance and Odor: 

Gray to bluish, hard, malleable, ductile metal, when polished metal may be silver white.

Min. Ignition Temperature:

630° C (dust cloud); 300° C (dust layer).

Autoignition Temperature

N/A

Flammable Limits: Upper

N/A

Lower

<200 g/m3 (powder).

Extinguishing Media

Use extinguishing agents appropriate for surrounding fire. Do not apply water to burning material.

Special Fire Fighting Procedures

Move container or forms from fire area if you can do it without risk. Avoid breathing fumes from burning material.

Risk Of Dust

Powdered material may form explosive dust-air mixtures.

Specific Hazards:

Negligible fire and ecplosion hazarad in bulk form. Dust/air mixture may ignite or explode. May ignite or explode when ecposed to heat or flames.

HAZARDOUS COMBUSTION PRODUCTS

Miecellaneous thermal decomposition products.

Threshold Limit Value

Not established

Effects of Over Exposure

None Identified

EMERGENCY AND FIRST AID PROCEDURES:

EYES

May cause irritation on short term effect. There is no information available on significant adverse long term effect.

SKIN

May cause irritation on short term effect. No information available on long term effect.

INHALATION

There is no information available on significant adverse short term effects. May cause long term lung damage.

INGESTION

No information available on significant adverse short term effects. No

information available on significant adverse long term effects.

Medical Conditions Aggravated By Exposure:

asthma, Respiratory disorder..

Stability

Stable

REACTIVITY:

Stable under normal temperatures and pressures

Incompatibility (Material to Avoid)

  BROMINE TRIFLUORIDE: Incandescent reaction.
    FLUORINE: Ignites on contact.
    LEAD CHROMATE: May react explosively.
    MINERAL ACIDS; Incompatible
    OXIDIZERS (STRONG): Fire and explosion hazard.
    SULFUR TRIOXIDE: Incompatible.

Hazardous Decomposition Products

Thermal decomposition may release toxic and/or hazardous gases.

Hazardous Polymerization

Hazardous polymerization has not been reported to occur under normal temperatures and pressures

STATIC DISCHARGE EFFECTS:

Take precautionary measures against static discharges.

OCCUPATIONAL SPILL:

Sweep up and place in suitable metal containers for reclamation or later disposal. If appreciable dust or fine particulate is present in residue, consider cleanup using vacuum cleaner rated for use with combustible/flammable dusts

Eye/Skin Protection

Wear safety glasses with side-shields or dust-resistant safety goggles to prevent cont act with this substance.

EMERGENCY EYE WASH:

Where there is any possibility that an employee's eyes may be exposed to this substance, the employer should provide an eye wash fountain within the immediate work area for emergency use.

CLOTHING:

Protective clothing not required under normal conditions

Other Handling and Storage Conditions

Observe all federal, state and local regulations when storing this substance.
Store finely-divided material in original shipping container or in metal containers. Store finely-divided material away from oxidizers and mineral acids.