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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

Ecotoxicological information

Toxicity to terrestrial plants

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Administrative data

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Description of key information

NOEC (14 d) = 654 mg/kg (highest test concentration) for Avena sativa, Brassica rapa, and Lycopersicon esculentum (OECD 208; read-across)

Key value for chemical safety assessment

Additional information

There are no data available on toxicity to terrestrial plants of D-Glucopyranose, oligomeric, heptyl glycoside. However, there are reliable data for category member substances which are considered suitable for read-across based on a category approach.This read-across is in accordance with Regulation (EC) No. 1907/2006 Annex XI, 1.5 and justified in detail in the overall summary (IUCLID Chapter 6.1) and within the category justification attached in IUCLID Section 13. In this case of read-across, the best suited (highest degree of structural similarity, nearest physico-chemical properties) read-across substance was used for the assessment. Nevertheless, as it can be seen in the data matrix of the category justification in IUCLID Section 13 and the overall summary (IUCLID Chapter 6.1), all reliable data in the category support the hazard assessment of each category member by showing a consistent pattern of results.

The effects of the category member D-Glucopyranose, oligomeric, C10-16-alkyl glycosides to terrestrial plants were evaluated in a seedling emergence test according to OECD guideline 208. Seed from oat (Avena sativa), turnip (Brassica rapa) and tomato (Lycopersicon esculentum) were used for the test (Steber et al., 1995). After the test duration of 14 days no adverse effects on the germination of the seed were observed in the highest test concentration of 654 mg/kg. In addition to these results the substance is readily biodegradable and has low potential to adsorb to soil.

Therefore, no long-term toxicity testing is needed, no toxic effects are expected and a further investigation is not necessary. The PNEC for the risk assessment was calculated from the available data.