Registration Dossier
Registration Dossier
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EC number: 947-217-5 | CAS number: -
Particle size distribution (Granulometry)
Administrative data
Link to relevant study record(s)
- Endpoint:
- particle size distribution (granulometry)
- Data waiving:
- study technically not feasible
- Justification for data waiving:
- other:
Reference
Description of key information
Granulometry was not investigated because thetest item is a waxy solid with determined melting temperature of 28 to 52 °C (301 to 325 K). Particle size influencing toxicological profile is irrelevant because the substance is on the border between the solid and liquid state at ambient temperature. Furthermore, the determined vapour pressure of 1.75 x 10E-03 Pa at 25 °C (298 K) indicates that exposure of humans to the test item via the inhalation route is of low concern under general use conditions at ambient temperature.
Additional information
In accordance with REACH Annex XI, a granulometry determination has been omitted because properties of the substance mean it is technically not possible to conduct the study. This decision is in line with OECD guideline 110 where melting point is noted as guidance information and that physical property must be available in order to confirm the solid nature of any substance being considered for testing.
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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