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Sediment toxicity

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sediment toxicity
Type of information:
experimental study planned
Study period:
start: 6 months after acceptance of the dossier by ECHA; end: 10 months thereafter

Data source

Materials and methods

Test guideline
according to
OECD Guideline 219 (Sediment-Water Chironomid Toxicity Test Using Spiked Water)

Test material

Details on test material:
- Name of test material (as cited in study report): "3-HYDROXY-2-(HYDROXYMETHYL)-2-METHYLPROPIONALDEHYDE"
- Molecular formula (if other than submission substance):C5H10O3
- Lot No.: CH 138067/001.
- CAS No.: 185146-18-2.
- Appearance: uncolored and high viscous.
- Purity test date:
~ 82 % Dimethylpropanale
~ 10 % Hydroxymethanesulfonic acid, Na-salt (CAS No: 870-72-4)
~ 6 % water *)
~ 2 % Potassiumformiate (CAS No: 590-29-4).
- Solubility: In water: Soluble
- pH: 7.25.
- Conditions of storage: Room temperature.
- Stability at conditions of storage: Min. 1year.
- Expiry date: 30 November 2010.

*) The results presented in the report refer to the dry weight of the test substance not including the 6 % water content.

Results and discussion

Applicant's summary and conclusion