Registration Dossier
Registration Dossier
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EC number: 305-403-8 | CAS number: 94534-99-3
Bioaccumulation: aquatic / sediment
Administrative data
Link to relevant study record(s)
Description of key information
Significant accumulation in organisms is not to be expected.
Key value for chemical safety assessment
Additional information
No experimental for CAS 94534-99-3 are available. The substance belongs to the category of phthalocyanines. Phthalocyanines resemble in structure as well as physical and chemical properties, such as the log Kow (e.g. CAS 90295-11-7: log Kow of -2.29). Ammonium [trisulphamoyl-29H,31H-phthalocyaninesulphonato(3-)-N29,N30,N31,N32]cuprat e(1-) (CAS 94534-99-3) is assessed to exhibit a low log Kow (log Kow <3) based on read-across to structurally similar phthalocyanines (for details see IUCLID chapter 4.7). In accordance with column 2 of REACH Annex IX the study does not need to be conducted since the substance has a log Kow less or equal than 3.
The bioaccumulation potential of ammonium [trisulphamoyl-29H,31H-phthalocyaninesulphonato(3-)-N29,N30,N31,N32]cuprate(1-) (CAS 94534-99-3) is assessed considering the available read-across data from Heliogen Blue 6920 (CAS 147-14-8). The test set up was comparable to the specifications given in OECD guideline 305. Cyprinus carpio was exposed to different concentrations of the substances for 6 weeks in a flow-through system. A BCF < 3.6 was determined for a concentration of 0.06 mg/l, whereas a concentration of 0.6 mg/l resulted in a BCF of <0.33 (MITI 1979).
Ammonium [trisulphamoyl-29H,31H-phthalocyaninesulphonato(3-)-N29,N30,N31,N32]cuprate(1-) (CAS 94534-99-3) is concluded not to significantly accumulate in organisms.
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