Registration Dossier
Registration Dossier
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EC number: 236-313-6 | CAS number: 13292-87-0
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Hazard for air
Hazard for terrestrial organisms
Hazard for predators
Additional information
Dimethyl sulphide-borane need to be classified as acute 3, chronical 3 for the environment according to regulation EC/1272/2008 (CLP). According to directive 67 /5748/EEC (DSD) dimethyl sulphide borane shall be classified as R52/53; harmful to aquatic organisms may cause long-term adverse effects in the aquatic environment.
Dimethyl sulphide-borane is expected to rapidly hydrolyse in contact with water to form dimethyl sulphide (CAS 75-18-3) and boric acid (CAS 10043-35-3). The environmental classification for the parent substance is based on the worst case environmental classification of both hydrolysis products.
Dimethyl sulphide is qualified as readily biodegradable. For dimethyl sulfide short-term aquatic toxicity data are available for three trophic levels with acute effect concentrations of ≥ 29 mg/L. No adequate long-term data are available. Based on this information, dimethyl sulphide needs not be classified for the environment according to regulation EC/1272/2008 (CLP). According to directive 67 /5748/EEC (DSD) the dimethyl sulphide don't need to be classified.
Boric acid is qualified as not readily biodegradable. For boric acid short-term and long-term aquatic toxicity data are available for three trophic levels. Acute effect concentrations were found to be ≥ 52.4 mg/L, chronic effect values were found to be ≥3.5 mg/L. Based on this information, boric acid needs not be classified for the environment according to regulation EC/1272/2008 (CLP) or according to directive 67 /5748/EEC (DSD).
Conclusion on classification
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