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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Administrative data

Hazard for aquatic organisms

Freshwater

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

Marine water

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

STP

Hazard assessment conclusion:
PNEC STP
PNEC value:
1.4 mg/L
Assessment factor:
100
Extrapolation method:
assessment factor

Sediment (freshwater)

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

Sediment (marine water)

Hazard assessment conclusion:
PNEC sediment (marine water)
PNEC value:
8.19 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:
1 mg/kg soil dw
Assessment factor:
100
Extrapolation method:
assessment factor

Hazard for predators

Secondary poisoning

Hazard assessment conclusion:
no potential for bioaccumulation

Additional information

Conclusion on classification

Classification related key information

Biodegradation in water: Readily biodegradable: 100% (ThOD) in 30 days (OECD 301D)

Log Kow: Bioaccumulation in organisms is negligible, due to biotransformation and excretion of alcohol ethoxylates.

Acute toxicity:

- to Fish: LC50 (96h) = 2500 mg/L for Danio rerio

- to Crustacea: EL50 (48h) = 51 mg/L for Daphnia magna

- to Algae: EL50 (72h) > 100 mg/L for Scenedesmus subspicatus

Chronic toxicity:

- to Fish: NOEC (30d) = 0.16 mg/L for mortality, 0.11 - 0.28 mg/L for reproduction and 0.33 mg/L for growth for Lepomis macrocirus and Pimephales promelas

- to Crustacea: NOEC (21d) = 0.77 mg/L for Daphnia magna

- to Algae: NOEC not reported

Classification justification according to CLP

Based on the data above, Alcohols, C16-18 (even numbered) and C18 unsaturated, propoxylated, < 2.5PO is considered rapidly biodegradable. The acute aquatic toxicity L(E)C50 is > 1 mg/L forall trophic levels. Valid chronic toxicity data are available for Daphnia and fish – the lowest NOEC is 0.11 mg/L for Pimephales promelas. Therefore, Alcohols C16-18 (even numbered) and C18 unsaturated, propoxylated, < 2.5PO (CAS 70955-07-6) needs to be classified and labelled as environmental hazard Chronic Cat. 3 according to the Regulation (EC) No. 1272/2008 (CLP) and the Regulation (EU) No. 286/2011 (2ndATP).

M-factor for acute aquatic toxicity: no classification for acute toxicity

M-factor for chronic aquatic toxicity: no factor assigned

 

Classification justification according to DSD

Based on the data above, Alcohols, C16-18 (even numbered) and C18 unsaturated, propoxylated, < 2.5PO (CAS 70955-07-6) is considered to have low potential for accumulation and is rapidly degradable. The acute aquatic toxicity L(E)C50 is > 10 mg/L forall trophic levels. Therefore Alcohols, C16-18 (even numbered) and C18 unsaturated, propoxylated, < 2.5PO (CAS 70955-07-6) does not need to be classified according to the Directive 67/548/EEC.