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Ecotoxicological information

Short-term toxicity to aquatic invertebrates

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Administrative data

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Description of key information

Experimental data on three representatives of the category (C16, C20 and C32/36) show no acute toxicity to fish up to the limit of water solubility. These results were cross-read to 2-tetradecyloctadecan-1-ol .

Key value for chemical safety assessment

Additional information

2-Tetradecyloctadecan-1-ol is a member of the Guerbet Alcohols, which comprises a range of branched long chain alcohols C12-32. It is also structurally related to the substances of the OECD SIDS Long Chain Alcohols (LCA) categories, comprising a range of straight and branched long chain alcohols C6-22. As defined in the ‘Read Across Justification Document’ section 13, data provided for these categories is representative of 2-tetradecyloctadecan-1-ol and suitable for assessment purposes.

No data on short-term toxicity of 2-tetradecyloctadecan-1-ol to invertebrates were available. However, there are data on acute toxicity to daphnia for three representatives of the Guerbet alcohol category; specifically 2-hexyldecan-1-ol, 2-butyloctan-1-ol, and a mixture of 2-octyldodecan-1-ol and 2-hexyltetradecan-1-ol.

The C12 Guerbet alcohol 2-butyloctan-1-ol show acute toxicity to daphnia in contrast to the higher alcohols 2-hexyldecan-1-ol (C16) and mixture of 2-octyldodecan-1-ol and 2 -hexyl-1-tetradecanol (C20) which show no acute toxicity to daphnia up to the limit of water solubility. These effects can be a consequence of decreasing water solubility with increasing chain length. Thus no aquatic toxicity is considered for the Guerbet alcohols with chain lengths >= C16 with an extremely low water solubility.