Tantalum foil (7440-25-7)

 The Tantalum, with the cas registry number 7440-25-7, is a kind of black gray odorless solid. This chemical is stable chemically and could be soluble in concentrated sulfuric acid and strong phosphoric acid in high temperature. As to its usage, it is usually used in tantalum capacitor and also in the carbide of pen point and tantalum.

Its product categories are various, including Inorganics; TantalumMetal and Ceramic Science; Catalysis and Inorganic Chemistry; Chemical Synthesis; Metal and Ceramic Science; Metals; Tantalum; 73: Ta; TantalumNanomaterials; Materials Science; Nanomaterials; Nanoparticles: Metals and Metal AlloysMetal and Ceramic Science; Nanopowders and Nanoparticle Dispersions.

The characteristics of this chemical are as follows: (1)#H bond acceptors: 0; (2)#H bond donors: 0; (3)#Freely Rotating Bonds: 0; (4)Polar Surface Area: 0; (5)Exact Mass: 180.947996; (6)MonoIsotopic Mass: 180.947996; (7)Heavy Atom Count: 1; (8)Covalently-Bonded Unit Count: 1; (9)Melting point: 2996 °C; (10)Boiling Point: 5425 °C; (11)Density: 16,6 g/cm3; (12)Vapor Pressure: <0.01 mm Hg ( 537.2 °C).

When you are using this chemical, you should be very cautious. For one thing, it is
irritant which may cause inflammation to the skin or other mucous membranes, and it is irritating to eyes, respiratory system and skin. For another thing, it is harmful which may cause damage to health. If by inhalation, in contact with skin and if swallowed, it will be very dangrous. In addition, it is highly flammable which may catch fire in contact with air, only needing brief contact with an ignition source, and it has a very low flash point or evolve highly flammable gases in contact with water.

Due to so many dangers above, you should take the different measures to deal with different cases. Wear suitable protective clothing, gloves and eye/face protection and then take precautionary measures against static discharges. If in case of contact with eyes, rinse immediately with plenty of water and seek medical advice. When store this chemical, keep it away from sources of ignition.
 
Additionally, you could convert the following datas into the molecular structure:
(1)Canonical SMILES: [Ta]
(2)InChI: InChI=1S/Ta
(3)InChIKey: GUVRBAGPIYLISA-UHFFFAOYSA-N 

Reported in EPA TSCA Inventory.