Registration Dossier
Registration Dossier
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EC number: 291-759-9 | CAS number: 90480-27-6
Endpoint summary
Administrative data
Description of key information
Additional information
Appearance
The substance is a beige coloured solid with no reported odour.
Melting/freezing point
The test item was a waxy material that melted over a broad range. The melting temperature has been determined to be in the range of 64 to 87 ±1 °C (337 - 360 ± 1K) (OECD 102 and EU Method A.1).
Boiling point
The test item has been determined not to boil up to 400 °C (673K) at 101kPa (OECD 103 and EU Method A.2).
Relative density
The density of the test item has been determined to be 1.12E03 kg/m3 at 22.5 ± 0.5 °C with a relative density of 1.12 (OECD 109 and EU Method A.3).
Granulometry
The test item is a waxy solid with a melting point range close to ambient temperature (64 to 87 °C). Determination of particle size distribution is irrelevant to the non-granular form in which the substance is marketed and, in accordance with REACH section 7.1.4, column 2, further investigation is not required.
Vapour pressure
The vapour pressure of the test substance has been determined to be 1.0E-03 Pa at 25 °C (OECD 104 and EU Method A.4).
Partition coefficient
No methods are available that will allow determination of the partition coefficient of the test item as supplied Consequently, and in accordance with REACH Annex VII, Column 2, a study for determination of the octanol/water partition coefficient is technically unfeasible. It is not possible to calculate an estimated partition coefficient using KOWWIN v 1.68, US EPA as the model is not validated for zinc ions. Taking into consideration the fact that the test item will decompose, an estimated Log Pow has been calculated for the residual organic acid. The Log Pow for octadec-9-enoic acid (oleic acid) is given in EPISUITE as 7.73 (KOWWIN v1.68, US Environmental Protection Agency's Office of Pollution Prevention and Toxics and Syracuse Research Corporation (SRC)).
Water solubility
The water solubility of the test material has been determined to be less than 8.48E-04 g/L of solution at 20 ± 0.5°C (EU Method A.6)
Surface tension
Information supplied on the test substance stated that the substance was a zinc-organic acid complex that was unstable in the presence of polar or protiotic solvents e.g. methanol and water. Determination of surface tension in water is therefore not technically feasible.
Flash point
The flash point of the test item has been determined to be 226 ± 2 °C (EU Method A.9; closed cup equilibrium method)
Autoflammability / self-ignition temperature
The test item has been determined to have an auto-ignition temperature of 408 ± 5 °C (EU Method A.15).
Flammability
The test item has been determined to be not highly flammable as it failed to ignite in the preliminary screening test (EU Method A.10).
Explosive properties
In accordance with column 2 section 7.11 of REACH Annex VII, testing for explosive properties was not conducted. Based on a consideration of the known chemical composition of the substance, there are no chemical groups associated with explosive properties present in the substance.
Oxidising properties
In accordance with column 2 section 7.13 of REACH Annex VII, testing for oxidising properties was not conducted. Based on a consideration of the known chemical composition of the substance, there are no functional groups or other structural alerts present to indicate this substance would promote oxidation.
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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