Registration Dossier
Registration Dossier
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EC number: 265-198-5 | CAS number: 64742-94-5 A complex combination of hydrocarbons obtained from distillation of aromatic streams. It consists predominantly of aromatic hydrocarbons having carbon numbers predominantly in the range of C9 through C16 and boiling in the range of approximately 165°C to 290°C (330°F to 554°F).
Viscosity
Administrative data
Link to relevant study record(s)
Description of key information
The kinematic viscosity of the stream 68477-39-4 1.07 mm2/s at 20°C. The dynamic viscosity of the stream is 0.95 mPa.s at 20°C. For the stream 64742-94-5, the kinematic viscosity has been measured to be 1.9 mm2/s at 25°C and 6.78 mm2/s at 20°C.
Key value for chemical safety assessment
- Viscosity:
- 3.25 mm²/s (static)
- at the temperature of:
- 20 °C
Additional information
A proprietary study is available from GKA Competence Centre Analytics (2008) for the streams 68477-39-4 (kinematic viscosity 1.07 mm2/s at 20ºC and 0.83 mm2/s at 40ºC; dynamic viscosity 0.95mPa.s at 20ºC and 0.73 mPa.s at 40ºC). This study was conducted in accordance with a standard guideline and are considered reliable for assessment. The data from these studies will be read across to other members of the category.
RÜTGERS Germany GmbH, Analytisches Zentrallabor (AZL) (2010) and RÜTGERS, Belgium, Dept. Quality & Environment (2009) provided data for the stream 64742-94-5 (kinematic viscosity was 1.9 mm2/s at 25ºC and 6.78 mm2/s at 20ºC) via a signed Certificate of Analysis and Company letter, respectively. This data provided details on the method used and was considered adequate for assessment.
The mean of the kinematic viscosity values for the category is 3.25 mm2/s at 20°C and this has been used to complete the 'key value for chemical safety assessment'.
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