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EC number: 275-702-5
CAS number: 71617-10-2
The results of the
physico-chemical studies conducted with isopentyl p-methoxycinnamate are
summarized in Table 1. The respective robust study summaries and
endpoint summaries are given in IUCLID sections 4.1-4.22.
Table 1: Overview
of physico-chemical data of isopentyl p-methoxycinnamate
Appearance / physical state / colour
Colourless, oily liquid with a slight odour of cacao
Melting point / freezing point
Particle size distribution (granulometry)
Study was waived1
0.0066 Pa at 25°C
4.78 at 25±1°C
0.8 mg/L at 25±1°C
68.4±0.6 mN/m at 25±1°C
Self-ignition temperature: 430±5°C
Study was waived2
Study was waived3
Study was waived4
Stability in organic solvents and identity of relevant degradation products
Study was waived5
55.9 mPa x s at 20°C19.1 mPa x s at 40°C
1 According to EU REACh
Regulation (EC) No. 1907/2006, Annex VII, 7.14, column 2, the study does
not need to be conducted if the substance is marketed or used in a
non-solid or granular form. As isopentyl p-methoxycinnamate is liquid,
performing a granulometry study was not required.
2 Although liquids are
not formally exempted from flammability testing, the primary value for
ease of ignition of a liquid is the flash point. As information on the
flash point of isopentyl p-methoxycinnamate is available (please see the
results of the flammability study), an additional flammability study is
not necessary (see chapter 7A, section R.7.1.10 of the ECHA guidance).
p-methoxycinnamate does not contain any functional groups identified in
the UN Recommendations on the Transport of Dangerous Goods, Manual of
Tests and Criteria, Appendix 6, Table A6.1, as being associated with
explosive properties. Therefore, according to Regulation (EC) no.
1907/2006, Annex VII, 7.11, column 2, the study does not need to be
performed. Accordingly, no explosiveness study was performed with
p-methoxycinnamate does not contain fluorine or chlorine, and only
contains oxygen atoms that are bound to carbon. It was therefore
concluded that the substance will not exhibit oxidising properties. As a
result, and according to Regulation EC No. 1907/2006, Annex Vll, 7.13,
column 2, testing for this endpoint is considered to be unnecessary
based on the chemical structure. Therefore, no test for oxidising
properties was conducted.
for stability of Isopentyl p-methoxycinnamate in organic solvents and
identity of relevant degradation products was not needed to be conducted
as the structure of this substance not include reactive groups that
might be associated with instability. Accordingly, based on structural
considerations the study for stability in organic solvents has been
waived. In addition and in accordance with the endpoint specific
guidance (R. 7A), there are rare occasions when it is important to have
information on the stability of a compound. For example, testing might
be needed, if a given test item of low solubility is tested in
ecotoxicity studies upon dissolution in an organic solvent. However, in
the studies considered in the present registration dossier, solubility
of this substance in water was increased by physical means.
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.Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
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