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Substance List

Substance NameEINECS No
(EC No)
CAS NoSupport to Tonnage Bands
(to register as a substance)
Ammonium Metatungstate 234-733-4 12028-48-7 >1,000tpa
Ammonium Paratungstate 234-364-9 11120-25-5 >1,000tpa
Fused Tungsten Carbide
*New name "Reaction mass of tungsten carbide and ditungsten carbide" assigned by ECHA
235-124-6
*New EC No "915-093-1" assigned by ECHA
12070-13-2 100-1,000tpa
Sodium Tungstate 236-743-4 13472-45-2 >1,000tpa
Tungsten Blue Oxide 254-413-8 39318-18-8 >1,000tpa
Tungsten Carbide 235-123-0 12070-12-1 >1,000tpa
Tungsten Disulphide 235-243-3 12138-09-9 10-100tpa
Tungsten Metal 231-143-9 7440-33-7 >1,000tpa
Tungsten Trioxide 215-231-4 1314-35-8 >1,000tpa
Tungstic Acid 231-975-2 7783-03-1 100-1,000tpa
Pre-Registration Ferro Tungsten with both:
Iron 231-096-4 7439-89-6 >1,000t
Tungsten Metal 231-143-9 7440-33-7

Details of Registration status, Dossier Updates, Letter of Access can be found on the Consortium's SIEF website - www.sief.tungstenconsortium.com