Registration Dossier
Registration Dossier
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EC number: 271-739-6 | CAS number: 68606-29-1 A complex combination of hydrocarbons produced during butylene concentrate production. It consists predominantly of C4 and C8 hydrocarbons.
Categories
- Category name:
- Butylene Oligomers - LOA
Justifications and discussions
- Category definition:
- Butylene Oligomers
- Category rationale:
- Butylene Oligomers category contains hydrocarbon streams obtained by the oligomerisation of butylenes. The substances within this category consist predominantly of C4, C8, C12, C16 and/or C20 hydrocarbons. The category stream components boil between 100 and 350 °C and the streams contain less than 0.1% butadiene. The physico-chemical properties associated with these types of UVCBs indicated that they comprise a category based on the range of boiling points (from 100°C to 350°C) and will have similar behaviour in the environment. The estimated log Kow ranges from 4.12-9.91 and the streams in this category are considered to be readily biodegradable. The mammalian toxicity information and environmental assessment also indicated that the streams in this category exert similar effects.
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