CAS Number
7440-47-3
Properties
- heavy metal
- trivalent chromium: essential trace element for humans and animals
Main sources
- chrome treatment industry
- electroplating industry (metal alloys)
- tanneries (leather tanning agents)
- catalysts
- colour pigmentation
- wood stainers
Thresholds for the reporting requirement of facilities in accordance with Annex 2 PRTRO
(Ordinance on the Register relating to Pollutant Release and the Transfer of Waste and of Pollutants in Waste Water)
- Air 100 kg/year
- Water 50 kg/year
- Soil 50 kg/year
Impacts
- hexavalent chromium, chromates: carcinogenic
- hexavalent chromium: allergies
- hexavalent chromium: asthma