Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.
The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
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EC number: 265-163-4 | CAS number: 64742-60-5 A complex combination of hydrocarbons obtained by treating a petroleum microcrystalline wax with hydrogen in the presence of a catalyst. It consists predominantly of long, branched chain hydrocarbons having carbon numbers predominantly in the range of C25 through C50.
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, 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:
- 2 010
Materials and methods
- Principles of method if other than guideline:
- There is no guideline method for this endpoint. Data presented based on visual observation, supported by data on melting point and viscosity.
- GLP compliance:
- not specified
Test material
- Reference substance name:
- Paraffin and hydrocarbon waxes
- IUPAC Name:
- Paraffin and hydrocarbon waxes
Constituent 1
Results and discussion
- Physical state at 20°C and 1013 hPa:
- solid
Form / colour / odour
- Form:
- not specified
- Colour:
- Depends on the type and degree of refining applied
- Substance type:
- petroleum product
Applicant's summary and conclusion
- Conclusions:
- Paraffin and hydrocarbon waxes are solids at 20°C and 101.3 kPa.
- Executive summary:
- Paraffin and hydrocarbon waxes are solids at 20°C and 101.3 kPa. There is no guideline method for this endpoint. Data presented based on visual observation, supported by data on melting point and viscosity. This study received a Klimisch score of 2 and is classified as reliable with restrictions.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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