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EC number: 270-790-1
CAS number: 68478-10-4
A complex combination of hydrocarbons obtained by the distillation of debenzenized light steam-cracked naphtha. It consists predominantly of cyclic olefinic and aromatic hydrocarbons having carbon numbers predominantly in the range of C8 through C16 and boiling in the range of approximately 130°C to 300°C (226°F to 572°F).
This section describes the self-classification of the Resin Oils and
Cyclic Dienes category (LOA CAT L) - Sub-group 4 (High Aromatic
Cyclic Olefins diolefins and alkanes - Indene content (≤70%
The classification is derived from the substances: Indene, Indan,
2 -Methylstyrene, 1,2,4 -Trimethyllbenzene, 1,3,5 -Trimethylbenzene,
Naphthalene, Styrene, DCPD, Phenol.
The analytical data for the Resin Oils and Cyclic Dienes category (LOA
CAT L) show that there is a clear grouping of structures, substances,
and concentrations within the category which are relatively consistent,
and which are helpful to identify substances which will have similar
biological activity. Reviewing the data there appear to be the
following subgroups within the category members and which suggests the
subgroups as follow:
-Sub-group 1 - High Bicyclic olefin content with low to medium
-Sub-group 2 - Intermediate Bicyclic olefin content, <15% indene
and non-benzene aromatics
-Sub-group 3 - Moderate High Bicyclic olefin content (≤
25%), high styrene content (>15% w/w) and non-benzene
-Sub-group 4 - High Aromatic Cyclic Olefins diolefins and alkanes
- Indene content (≤70%
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