Registration Dossier

Administrative data

Hazard for aquatic organisms

Freshwater

Hazard assessment conclusion:
PNEC aqua (freshwater)
PNEC value:
0.004 mg/L
Assessment factor:
10
Extrapolation method:
assessment factor
PNEC freshwater (intermittent releases):
0.003 mg/L

Marine water

Hazard assessment conclusion:
PNEC aqua (marine water)
PNEC value:
0 mg/L
Assessment factor:
100
Extrapolation method:
assessment factor

STP

Hazard assessment conclusion:
PNEC STP
PNEC value:
5 mg/L

Sediment (freshwater)

Hazard assessment conclusion:
PNEC sediment (freshwater)
PNEC value:
1.103 mg/kg sediment dw
Extrapolation method:
equilibrium partitioning method

Sediment (marine water)

Hazard assessment conclusion:
PNEC sediment (marine water)
PNEC value:
0.11 mg/kg sediment dw
Extrapolation method:
equilibrium partitioning method

Hazard for air

Air

Hazard assessment conclusion:
no hazard identified

Hazard for terrestrial organisms

Soil

Hazard assessment conclusion:
PNEC soil
PNEC value:
0.218 mg/kg soil dw
Extrapolation method:
equilibrium partitioning method

Hazard for predators

Secondary poisoning

Hazard assessment conclusion:
PNEC oral
PNEC value:
16.667 mg/kg food
Assessment factor:
90

Additional information

Conclusion on classification

TPP is readily biodegradable (83 -94%, 28 d) and a BCF of 144 has been identified. However, referring to the effect concentrations of TPP it has to be classified according to the following reasons:

The most sensitive acute toxicity for TPP is to invertebrates. A LC50 of 0.18 mg/L has been determined for Mysidopsis bahia (96 h). An 96h-LC50 of 0.4 mg/L has been determined for Oncorhynchus mykiss. Depending on this the substance has to be classified as Category Acute 1, H400, according to Regulation (EC) No. 1272/2008 (CLP).

The lowest NOEC for TPP is 0.037 mg/L, derived in a 30d-study with sac frys. Depending on this the substance has to be classified as Category Chronic 2, H411, according to Regulation (EC) No. 1272/2008.

Classification according to Directive 67/548/EEC (DSD):

N; R50/53

Environmental hazards: very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.