Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Physical & Chemical properties

Particle size distribution (Granulometry)

Administrative data

particle size distribution (granulometry)
Data waiving:
study scientifically not necessary / other information available
Justification for data waiving:
the study does not need to be conducted because the substance is marketed or used in a non solid or granular form
Justification for type of information:
According to Regulation (EC) No. 1907/2006, Annex VII, 7.14, column 2, the study does not need to be conducted, because the substance is not marketed or used in a solid or granular form.
As presented under IUCLID Section 4.1, the present substance is described in its normal state as a paste / block at ambient temperature (manufactured as molten and marketed as cast substance), or can also exist as supercooled liquid. Therefore the present endpoint is not relevant.
Reason / purpose for cross-reference:
data waiving: supporting information

The substance can exist either as a solid or a supercooled liquid at ambient temperature.

Physical state at 20°C and 1013 hPa:

As experimental test reports provided inconsistent descriptions, mainly as solid, but also paste/gel or liquid, a specific investigation was conducted on freezing from the melted substance. This reliable experiment demonstrated the ability of the substance to remain liquid if no initiation for phase change, but turned solid at ca 37-38°C with initiation. Therefore, the normal state in ambient conditions will be considered to be solid. However, as the product will always be used liquid (melted) the liquid state is retained as key data for purpose of CSA.

Data source

Materials and methods

Results and discussion

Applicant's summary and conclusion