Substance Information

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REACH Registration data can be found in the new ECHA CHEM database. The old ‘Registered substance factsheets’ will be available on this web site during the transition period but have not been updated since 19 May 2023. More


Substance Infocard


Hydrocarbons, C11-17, naphthenic middle

EC / List no.: 307-756-3

CAS no.: 97722-07-1

Mol. Formula:

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Key datasets


Regulatory context

Here you can find all of the regulations and regulatory lists in which this substance appears, according to the data available to ECHA. This substance has been found in the following regulatory activities (directly, or inheriting the regulatory context of a parent substance):

REACH - Registration, Evaluation, Authorisation and Restriction of Chemicals Regulation
  • Substances indicated, in 2009, as being intended to be registered by at least one company in the EEA.
Previous Legislations
  • Substances listed in the EINECS, ELINCS, or NLP inventories.
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Substance names and other identifiers

Regulatory process names
Hydrocarbons, C11-17, naphthenic middle
EC Inventory, Other
Hydrocarbons, C11-17, naphthenic middle
A complex combination of hydrocarbons obtained by vacuum distillation of a naphthenic distillate having a viscosity of 2.2cSt at 40°C (104°F). It consists predominantly of hydrocarbons having carbon numbers predominantly in the range of C11 through C17 and boiling in the range of approximately 200°C to 300°C (392°F to 572°F).
Pre-Registration process, Other
Other identifiers
EC Inventory, Pre-Registration process, Other
CAS number