Registration Dossier
Registration Dossier
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EC number: 253-455-4 | CAS number: 37310-83-1
Endpoint summary
Administrative data
Description of key information
Additional information
In accordance with column 2 of REACH Regulation (EC) No.1907/2006, Annex IX ,section 9.2.1.2, "simulation testing on ultimate degradation in
surface water" does not need to be conducted as the "reaction product of oleyl alcohol with polyphosphoric acid" is highly insoluble in water.
In accordance with column 2 of REACH Regulation (EC) No. 1907/2006, Annex IX, section 9.2.1.3, "soil simulation testing (for substances with a high potential for adsorption to soil" does not need to be conducted as neither direct nor indirect exposure of the soil compartment is expected with the "reaction product of oleyl alcohol with polyphosphoric acid" .
Choice of environmental compartment
The volatility of the UVCB test substance “Reaction product of oleyl alcohol with polyphosphoric acid” is extremely low or negligible. The values for the Henry´s Law constants (HLC) confirm this finding. It can be concluded thatsignificant atmospheric transport can be ruled out. Therefore, therelevant compartment to be investigated is that exposed via the water phase. The surface water environmental compartment and its sediment receiving the bulk of the input volume of a chemical was focused upon.It was concluded, thattheUVCB test substance “Reaction product of oleyl alcohol with polyphosphoric acid”is likely sorbed to sediment.
Evaluation of degradation/biodegradation
Under the test conditions of the Closed Bottle Test (OECD 301D) the percentage biodegradation of Reaction product of oleylalcohol with polyphosphoric acid reached a mean of 26.1 % after 28 days based on its COD. Therefore, the test item can be considered to be not ready biodegradable.
The use of QSAR model prediction methods to identifying the biodegradability potential of theUVCB test substance “Reaction product of oleyl alcohol with polyphosphoric acid”did not unequivocally confirm the result of the OECD test. Itcannot be ruled out, that the UVCB substance “Reaction product of oleyl alcohol with polyphosphoric acid” might be readily biodegradable.
Evaluation of persistency potential
Using QSAR model prediction methods (WoE procedure 1 and 2) for identifying the persistency potential of theUVCB test substance “Reaction product of oleyl alcohol with polyphosphoric acid”,the test item was considered to benon-persistent.
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