Tungsten
During the first half of 2007, a small group of ITIA members established a Consortium to assist companies in jointly preparing for the Registration of Tungsten and Tungsten compounds under the auspices of the International Tungsten Industry Association (ITIA). Further information on joining the Tungsten Consortium can be found at the Consortium website: www.tungstenconsortium.com.
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| Name | Formula | EINECS | CAS | Contact Point |
| Tungsten Metal | W | 231-143-9 | 7440-33-7 | |
| Tungstic Acid | H1/2WO4 | 231-975-2 | 7783-03-1 | |
| Tungsten Carbide | WC | 235-123-0 | 12070-12-1 | |
| Fused Tungsten Carbi... | WC2 | 235-124-6 | 12070-13-2 | |
| Tungsten(VI) Oxide (... | 254-413-8 | 39318-18-8 | ||
| Tungsten Trioxide ( ... | WO3 | 215-231-4 | 1314-35-8 | |
| Ammonium meta-Tungst... | H4N1/6H2040W12 | 234-733-4 | 12028-48-7 | |
| Ammmonium para-Tungs... | H4N1/10H2O42W12 | 234-364-9 | 11120-25-5 | |
| Ferro Tungsten | Fe | 231-96-4 | 7439-89-6 |
