Registration Dossier
Registration Dossier
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EC number: 292-660-3 | CAS number: 90669-78-6 A complex combination of hydrocarbons obtained by treatment of a petroleum slack wax fraction with natural or modified clay in either a contacting or percolation process. It consists predominantly of saturated straight and branched hydrocarbons having carbon numbers predominantly greater than C20.
Appearance / physical state / colour
Administrative data
- Endpoint:
- appearance / physical state / colour
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: see 'Remark'
- Remarks:
- This study is classified as reliable with restriction by CONCAWE. The use of secondary sources of data is acceptable when they are based on a critical evaluation of peer-reviewed data and a consequent selection of a reliable and representative value for the property under investigation. Therefore, although the method used is not known, the values presented here are acceptable as they are from a reliable secondary source of phys chem. data
Data source
Reference
- Reference Type:
- review article or handbook
- Title:
- Unnamed
- Year:
- 1 999
Materials and methods
- Principles of method if other than guideline:
- There is no guideline method for this endpoint. Data presented based on visual observation and supported by data on pour point/melting point.
- GLP compliance:
- not specified
Test material
- Reference substance name:
- Slack Wax
- IUPAC Name:
- Slack Wax
- Details on test material:
- - Name of test material (as cited in study report): Slack Wax- Physical state: Semi-solid
Constituent 1
Results and discussion
- Physical state at 20°C and 1013 hPa:
- solid
- Remarks:
- semi-solid
Form / colour / odour
- Form:
- not specified
- Colour:
- No data
- Odour:
- other: No data
- Substance type:
- petroleum product
Applicant's summary and conclusion
- Conclusions:
- Slack Waxes are semi-solid hydrocarbons at ambient temperatures. This is done by visual inspection. A specific test method is not available but dataon pour point/melting point support the statement on physical state of the substance at ambient temperature.
- Executive summary:
Slack Waxes are semi-solid hydrocarbons at ambient temperature and pressure. This is done by visual inspection. A specific test method is not available but data on pour point / melting point support the statement on physical state of the substance at ambient temperature. This study received a Klimisch score of 2 and is classified as reliable with restriction.
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