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EC number: 265-058-3
CAS number: 64741-57-7
A complex combination of hydrocarbons produced by the vacuum distillation of the residuum from atmospheric distillation of crude oil. It consists of hydrocarbons having carbon numbers predominantly in the range of C20 through C50 and boiling in the range of approximately 350°C to 600°C (662°F to 1112°F). This stream is likely to contain 5 wt. % or more of 4- to 6-membered condensed ring aromatic hydrocarbons.
In accordance with Column 2 of REACH Annex VII, the surface tension study (required in Section R.7.6) does not need to be conducted because based on structure, surface activity is not expected or predicted, and surface activity is not a desired property of the material. No data are available, but on grounds of chemical structure, HFOs do not contain surface-active agents.
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