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PBT assessment

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PBT assessment: overall result

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Name:
boundary composition of triphenyl phosphate
Type of composition:
boundary composition of the substance
Reference substance:
Composition 1
Name:
Triphenyl phosphate
Type of composition:
legal entity composition of the substance
State / form:
solid: bulk
Reference substance:
Composition 1
PBT status:
the substance is not PBT / vPvB
Justification:

The criteria for persistence (P and vP), bioaccumulation potential (B and vB) and toxicity (T) included in RIP 3.2-2 (Chapter 11) are shown below:

Criterion

PBT criteria

vPvB criteria

P

Half-life >60 days in marine water or >40 days in freshwater* or half-life >180 days in marine sediment or >120 days in soil or freshwater sediment*

Half-life >60 days in marine- or freshwater or >180 days in marine or soil or freshwater sediment

B

BCF >2,000

BCF >5,000

T

Chronic NOEC <0.01 mg/L or CMR or endocrine disrupting effects

Not applicable

The substance is readily biodegradable, which is considered equivalent to a half life of less than 40 days in freshwater. Hence the substance does not meet the P criterion.

A BCF value of 144 is selected from the available data in Section 7.1 of the chemicals safety report. Hence the substance does not meet the B criterion.

From human toxicological point of view, the substance is not classified as CMR substance. It does not show any concern of equivalent level as CMR substance. From ecotoxicological point of view, the lowest reliable NOEC value from the available tests is 0.037 mg/L, which is above the chronic NOEC threshold of 0.01 mg/L. It is therefore concluded that the substance is “not T”.

It is concluded that TPP does not fulfil the PBT/vPvB criteria.