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EC number: 215-231-4 | CAS number: 1314-35-8
Tungsten is a stable element and cannot degrade chemically. It can however, sometimes reversibly, participate in numerous chemical reactions that can proceed under a wide range of common environmental conditions. Thereby, different chemical compounds containing tungsten can be formed and also cease to exist, but the process of degradation is not a relevant fate pathway for such compounds (ATSDR, 2005). Although no data were available for tungsten trioxide, degradation is not relevant for this substance as an inorganic metal compound.
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