7440-42-8 Purity
99.995%
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Specification
The molecular formula of tungsten is W.
The molecular weight of tungsten is 183.84 g/mol.
Some synonyms for tungsten are 7440-33-7, Tungsten, W, and Wolfram.
The chemical symbol for tungsten is W.
Tungsten is used in products such as x-ray tubes, light bulbs, high-speed tools, welding electrodes, turbine blades, golf clubs, darts, fishing weights, gyroscope wheels, phonograph needles, bullets, and armor penetrators.
Chemical compounds of tungsten are used to make grinding wheels and cutting or forming tools. Other tungsten compounds are used in ceramic pigments, as fire retardant coatings for fabrics, and as color-resistant dyes for fabrics.
Tungsten is a dull gray powder or a hard, brittle, steel-gray to white metal.
The melting point of tungsten is 3410 °C, and the boiling point is 5900 °C.
Identifiers for tungsten include CAS numbers 7440-33-7 and 22541-27-1, UN numbers 3089 and 1325, and DSSTox Substance IDs DTXSID8052481 and DTXSID601318076.
Tungsten is difficult to melt, has a density of 19.3 g/cm3, and is used in alloys, light bulb filaments, and cutting tools. Tungsten dust may present a moderate fire hazard if allowed to accumulate and exposed to an ignition source.