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EC number: 310-013-6 | CAS number: 102110-15-6 A complex combination of hydrocarbons obtained by distillation of the products from a steam-cracking process. It consists predominantly of hydrocarbons having carbon numbers of C5 and dicyclopentadiene and boiling in the range of approximately 30°C to 170°C (86°F to 338°F).
Three biodegradation studies are available for two streams in this category, all of which indicate that the streams cannot be considered readily biodegradable. The proprietary study with DCPD/Codimer Concentrate (CAS No. 68478-10-4), which is GLP compliant and followed OECD guideline 301F, showed that DCPD/Codimer Concentrate cannot be considered readily biodegradable as there was no measurable biodegradation observed over a 28 day testing period. The two studies for the stream CAS No. 68477-54-3 are GLP compliant studies following OECD guideline 301F. The average biodegradation in one of the studies was 43.87% by day 56 and in the other study was 6.48% on day 41.
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