Registration Dossier

Administrative data

Hazard for aquatic organisms

Freshwater

Hazard assessment conclusion:
PNEC aqua (freshwater)
PNEC value:
68 µg/L
Assessment factor:
1 000
Extrapolation method:
assessment factor

Marine water

Hazard assessment conclusion:
PNEC aqua (marine water)
PNEC value:
6.8 µg/L
Assessment factor:
10 000
Extrapolation method:
assessment factor

STP

Hazard assessment conclusion:
PNEC STP
PNEC value:
2.6 mg/L
Assessment factor:
10
Extrapolation method:
assessment factor

Sediment (freshwater)

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

Sediment (marine water)

Hazard assessment conclusion:
PNEC sediment (marine water)
PNEC value:
0.185 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:
0.329 mg/kg soil dw
Extrapolation method:
equilibrium partitioning method

Hazard for predators

Secondary poisoning

Hazard assessment conclusion:
no potential to cause toxic effects if accumulated (in higher organisms) via the food chain

Additional information

Conclusion on classification

For alpha-Terpineol the ecotoxicity data of Terpineol multi (a multi-constituent substance with alpha-Terpineol as its main constituent and gamma-Terpineol as the minor constituent) are used directly for classification. The other constituents of Terpineol multi are very similar in chemical structure, have similar physico-chemical properties and all belong to the neutral organics. Therefore they are expected to show similar ecotoxicity. The lowest observed acute toxicity value is a 72h ErC50 value of algae: 68 mg/L. In a chronic study in freshwater algae, a NOErC of 3.9 mg/L was observed. Alpha-Terpineol is readily biodegradable and has a log Kow of 2.6. Based on all these data, alpha-Terpineol does not need be classified according to the CLP Regulations (EC) No 1272/2008 or according to the Dangerous Substance Directive 67/548/EC (DSD).