Registration Dossier
Registration Dossier
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EC number: 279-505-5 | CAS number: 80584-91-4
PBT assessment
Administrative data
PBT assessment: overall result
- PBT status:
- the substance is not PBT / vPvB
- Justification:
Evaluation of the criterion persistency:
Based on biodegradation screening test the substance is regarded as inherently biodegradable. According to guidance information requirement R16, the biodegradation half-life in surface water for inherently biodegradable substances is 150 days, which exceeds the trigger value of 40 days set out in Annex XIII of REACH.
Therefore, the substance fulfils the criteria for persistency set out in Annex XIII of REACH regulation.
Evaluation of the criterion Toxicity:
The substance does not meet the criteria for classification as carcinogenic (category 1A or 1B), germ cell mutagenic (category 1A or 1B), or toxic for reproduction (category 1A, 1B, or 2) according to Regulation EC No 1272/2008 based on the available fully reliable data.
The substance NOEC/ EC10 for from available toxicity tests with freshwater algae is 145 mg/L and thus >> 0.01 mg/L.
There is no other evidence of chronic toxicity. The criteria for classification: specific target organ toxicity after repeated exposure (STOT RE category 1 or 2) according to Regulation EC No 1272/2008 are not met.
Therefore, criteria for Toxicity as set out in Annex XIII of the REACH regulation are not fulfilled.
Evaluation of the criterion Bioaccumulation:
The substance has no adsorption potential (measured logP = 0.94 (at pH 2)). Thus, a bioconcentration factor of << 2000 is likely. Therefore, criteria for bioaccumulation as set out in Annex XIII of the REACH regulation is not fulfilled.
The substance 6,6',6''-(1,3,5-triazine-2,4,6-triyltriimino)trihexanoic acid is not PBT/ vPvB.
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