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EC number: 229-222-8
CAS number: 6440-58-0
Several reliable aquatic toxicity studies in fish, invertebrates,
and algae have been conducted using DMDMH or the hydrolysis product of
DMDMH (DMH) and are included in this dossier. DMDMH readily undergoes
hydrolysis to DMH and therefore data is provided for both substances
where available. In the case of long-term testing, the data on DMH is
considered more relevant for environmental fate and ecotoxicology and
are considered in this dossier. There was a paucity of toxicity of data
for sediment and soil organisms, but the substance is not likely to be
applied directly or indirectly to these compartments and is readily
biodegradable and is low in toxicity to aquatic organisms, the PNECs for
soils and sediments are waived. There were no reliable toxicity data
for aquatic plants; however, a waiver is being applied for this
endpoint. It can be concluded that short-term toxicity testing of
terrestrial organisms is not required based on the unlikely exposure of
soil organisms to the DMDMH product or its degradation product (DMH).
DMDMH, or the hydrolysis product, DMH, do not fulfil the screening
criteria for persistence (P-criterion), bioaccumulation (B-criterion),
or toxicity (T-criterion). Therefore, no further testing or emission
characterization and risk characterization for PBT/vPvB substances in
accordance with REACH Article 14(4) is required.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
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