Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.

Diss Factsheets

Administrative data

distribution modelling
Type of information:
calculation (if not (Q)SAR)
Adequacy of study:
key study
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
accepted calculation method
This robust summary was given a reliability rating of 2, because the data are not measured values for the product listed, but are calculated for representative constituents.
Justification for type of information:
QSAR prediction: Full justifications for this QSAR prediction are presented in ‘Attached justification’, but in brief these are justified because:
- the results are obtained from a QSAR model whose scientific validity has been established;
- petroleum substances fall within the applicability domain of the QSAR model;
- results are adequate for the purposes of risk assessment;
- adequate and reliable documentation is provided.

Data source

Reference Type:
other: Calculation software
PETRORISK_v7.04 GS310 2021 04 20
Bibliographic source:
Not applicable
Report date:

Materials and methods

calculation according to Mackay, Level III
Calculation programme:
PETRORISK Model, version 7.04
Release year:
2 021
air - biota - sediment(s) - soil - water

Test material

Constituent 1
Reference substance name:
Hydrocarbons, C18-C24, isoalkanes, <2% aromatics
Hydrocarbons, C18-C24, isoalkanes, <2% aromatics
Test material form:
other: Clear colourless liquid
Details on test material:
- Name of test material (as cited in study report): Hydrocarbons, C18-C24, isoalkanes, <2% aromatics
- Substance type: Clear colourless liquid
- Physical state: liquid
- Purity: 100.00%
- Lot/batch No.: ZC4924G
- Expiration date of the lot/batch: 13 June 2015
- Storage condition of test material: At room temperature in the dark
- pH (1% in water, indicative range): 7.2 – 7.3

Study design

Test substance input data:
See Petrorisk spreadsheet attached to Section 13 of IUCLID

Results and discussion

Percent distribution in media

Air (%):
Water (%):
Soil (%):
Sediment (%):

Applicant's summary and conclusion

The distribution of the substance in the environmental compartments, air, water, soil, and sediment, has been calculated using the PETRORISK Model, version 7.04. Based on the regional scale exposure assessment, the multimedia distribution of Hydrocarbons, C18-C24, isoalkanes, <2% aromatics is 0.13% to air, 0.05 % to water, 5.45% to soil and 94% to sediment. Distribution modelling results are included in the 'Multimedia distribution modelling results' tab in the PETRORISK spreadsheet attached to IUCLID section 13.