Registration Dossier
Registration Dossier
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EC number: 288-107-0 | CAS number: 85650-96-0
Toxicity to aquatic algae and cyanobacteria
Administrative data
Link to relevant study record(s)
Description of key information
Oleylamine (CAS 112-90-3): Acutely very toxic to aquatic algae.
Key value for chemical safety assessment
Additional information
The Pigment additive Kr 1789 Stck. Ber. 100% (CAS 85650-96-0) is composed of Copper phthalocyanine monosulfonic acid (CAS 28901-96-4) and oleylamine (CAS 112-90-3).
In case of the pigment compound Copper phthalocyanine monosulfonic acid (CAS 28901-96-4) the assessment is based on toxicity data on the aquatic plant Lemna gibba. In this study, Lemna gibba (3 replicates consisting of 3 plants with 4 fronds each) were exposed to nominal loading rates of 1.2, 3.7, 11.1, 33.3 and 100 mg test item/L and a blank control for 7 days. Based on frond numbers as well as on dry weight, the 7-d ErC50 and also the 7-d ErC10 were determined to be > 100 mg test item/L (BASF SE, 2015).
In summary, Copper phthalocyanine monosulfonic acid (CAS 28901-96-4) is concluded to be with high probability not harmful to aquatic algae.
The toxicity of oleylamine (CAS 112 -90 -3) to aquatic algae was assessed in a study according to OECD TG 201 (Alge, Growth inhibition test; static conditions). Pseudokirchnerella subcapitata was used as test species. The test concentrations were analytically verified. Based on growth rate, a 96 -h ErC50 was determined to be 0.04 mg/L; the 96 -h NOErC was found to be 0.01 mg/L (nominal; Kroon et al., 1995).
It can be concluded that oleylamine is acutely very toxic to algae.
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