Tantalum single crystal, 11-12mm (0.43-0.47in) dia, 100mm (3.9in) long, random orientation, zone refined

• CAS: 7440-25-7
• Catalog Number: ACM7440257-3
• Category: Pure Element Single Crystals
• Molecular Weight: 180.9479g/mol
• Molecular Formula: Ta
• Description: Tantalum dust is a black odorless powder. mp: 2996° C, bp: approx. 5250°C. Density: 16.65 g/cm³. Insoluble in water. Tantalum oxide dust is a white, microcrystalline powder mp: 1800°C. Density: 7.6 g/cm³. Insoluble in water. The mixture is listed as a toxic inhalation hazard by OSHA.;DryPowder; DryPowder, OtherSolid; OtherSolid; PelletsLargeCrystals;BLACK SOLID IN VARIOUS FORMS.;Steel-blue to gray solid or black, odorless powder.;Metal: Steel-blue to gray solid or black, odorless powder.
• IUPAC Name: tantalum
• Canonical SMILES: [Ta]
• InChI: InChI=1S/Ta
• InChI Key: GUVRBAGPIYLISA-UHFFFAOYSA-N
• Boiling Point: 9797 °F at 760 mm Hg (NIOSH, 2016);5429 °C;5425 °C;9797°F;9797°F
• Melting Point: 5425 °F (NIOSH, 2016);2996 °C;2996 °C;5425°F;5425°F
• Flash Point: >250 °C
• Density: 16.65 (metal), 14.40 (powder) (NIOSH, 2016);14.491 g/cu cm (powder); 16.6 g/cu cm (worked metal);14.5 g/cm³;16.65 (metal) 14.40 (powder);16.65 (metal) 14.40 (powder)
• Solubility: Insoluble (NIOSH, 2016);Soluble in fused alkalies; insoluble in acids except hydrofluoric and fuming sulfuric acids;Insoluble in water.;Solubility in water: none;Insoluble
• Color/Form: Silvery gray metal, body-centered cubic crystal structure;CUBIC OR POWDER;Gray, very hard, malleable, ductile metal;Black powder; steel-blue-colored metal when unpolished, nearly platinum white when polished;Metal: Steel-blue to gray solid or black powder.
• Complexity: 0
• Covalently-Bonded Unit Count: 1
• EC Number: 237-770-4;231-135-5
• Exact Mass: 180.948g/mol
• Formal Charge: 0
• H-Bond Acceptor: 0
• H-Bond Donor: 0
• Heat of Vaporization: 7.53X10+5 J/mol
• Heavy Atom Count: 1
• ICSC Number: 1596
• Monoisotopic Mass: 180.948g/mol
• Odor: Odorless
• Other Experimental: Atomic number: 73; can readily be drawn in fine wires; valences: 5, also 4, 3, 2.;Two naturally occurring isotopes: 181 (99.99877%); 180 (0.0123%) Half-life: >10+12 years; artificial isotopes: 172-179; 182-186;Specific heat (0 °C): 0.036 cal/g °C; Electrical resistivity: (18 °C): 12.4 microohm-cm;Very resistant to chemical attack; not attacked by aqueous acids other than hydrofluoric; not attacked by aqueous alkalies; slowly attacked by fused alkalies. Reacts with fluorine, chlorine, and oxygen only on heating. At high temperatures absorbs several hundred times its volume of hydrogen; combines with nitrogen, with carbon.;HAS GOOD "GETTERING" ABILITY @ HIGH TEMP;Tensile strength of drawn wire may be as high as 130,000 psi; expansion coefficient 8X10-6 over range 20-1500 °C; Electrical resistivity: 13.6 microohm-cm @ 0 °C; 32.0 microohm-cm @ 500 °C; dust or powder may be flammable.;99.5% pure tantalum is resistant to all concentrations of hot and cold sulfuric acid (except concentrated boiling); hydrochloric acid, nitric and acetic acids, hot and cold dilute sodium hydroxide, all dilutions of hot and cold ammonium hydroxide, mine and seawaters, moist sulfurous atmospheres, aqueous solutions of chlorine;Enthalpy of formation (gas) 782.0 kJ/mol; Heat capacity: 25.4 J/K mol (crystal); 20.9 J/K mol (gas);Thermal conductivity: 0.540 J/cm °C @ 20 °C; 0.680 J/cm °C @ 568 °C; 0.720 J/cm °C @ 828 °C; Enthalpy of fusion: 31,400 J/mol;Maximum valence +5; oxidation states of +4, +3, and +2 are known, but are unstable forms;The dry powder ignites spontaneously in air.
• Refractive Index: Index of refraction: 2.05
• Rotatable Bond Count: 0
• RTECS Number: WW5505000
• UNII: 6424HBN274
• UN Number: 3089;3089
• Vapor Pressure: 0 mm Hg (approx) (NIOSH, 2016);1 kPa @ 3024 °C; 10 Pa @ 3324 °C; 100 Pa @ 3684 °C; 1 kPa @ 4122 °C; 10 k Pa @ 4666 °C; 100 kPa @ 5361 °C;0 mmHg (approx);0 mmHg (approx)

Custom Q&A

What is the molecular formula of Tantalum?

The molecular formula of Tantalum is Ta.

What is the chemical structure of Tantalum?

The chemical structure of Tantalum is a single crystal with a diameter of 11-12mm and length of 100mm, with a random orientation.

What is the molecular weight of Tantalum?

The molecular weight of Tantalum is 180.9479 g/mol.

Is Tantalum soluble in water?

Tantalum is insoluble in water.

What are some synonyms for Tantalum?

Some synonyms for Tantalum include Tantalum elemental, Tantalum metal, etc.

What is the boiling point of Tantalum?

The boiling point of Tantalum is approximately 5250°C.

What is the density of Tantalum oxide dust?

The density of Tantalum oxide dust is 7.6 g/cm3.

What are some potential uses of Tantalum?

Tantalum has been investigated for the treatment and prevention of Osteoarthritis, Knee Osteoarthritis, Intraoperative Bleeding, and Adolescent Idiopathic Scoliosis.

What is the IUPAC name of Tantalum?

The IUPAC name of Tantalum is tantalum.

What is the InChIKey of Tantalum?

The InChIKey of Tantalum is GUVRBAGPIYLISA-UHFFFAOYSA-N.