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EC number: 250-705-4
CAS number: 31566-31-1
No toxic effects up to the limit of water solubility (< 1 mg/L) for Daphnia magna (OECD 202), read-across.
No studies investigating the short-term toxicity of Stearic acid,
monoester with glycerol (CAS No. 31566 -31 -1) to aquatic invertebrates
are available. Therefore, in accordance to Regulation (EC) No. 1907/2006
Annex XI, 1.5 Grouping of substances, a read-across to the structurally
related category members Glycerides, C16-18 and C18-unsatd. (CAS No. No.
67701-30-8) was conducted. Further justification is given within the
endpoint summary 6.1 and within the category justification section 13.
In this case of read-across, the best suited (highest degree of
structural similarity, nearest physico-chemical properties) read-across
substance within this category was used.
One study evaluating the acute toxicity of Glycerides, C16-18 and
C18-unsatd. to aquatic invertebrates is available (Küch, 1995). This
limit test was conducted according to EU-Method C.2, under GLP
conditions. The test was performed with additional consideration of the
VCI concept for poorly soluble substances. Thus, two different test
solutions were prepared with 100 mg/L: One solution where the test
substance was directly weighed into the test vessel and undissolved
substance was not removed and a second solution with separation of
undissolved substance through filtration. Furthermore no effects were
observed in an oversaturated solution with undissolved test substance.
Based on the results obtained for the structurally related
analogue (in accordance with Regulation (EC) No. 1907/2006, Annex XI,
1.5), no acute toxicity of Stearic acid, monoester with glycerol (CAS
No. 31566 -31 -1) to aquatic invertebrates up to the limit of its water
solubility is expected.
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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