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EC number: 228-532-0
CAS number: 6290-03-5
According to ECHA guidance Chapter R.7c: Endpoint specific
guidance, Version 3.0 – June 2017, Section R.7.11.2 the following
applies: QUOTE: "In the case of readily biodegradable substances which
are not directly applied to soil it is generally assumed that the
substance will not enter the terrestrial environment and as such there
is no need for testing of soil organisms is required." UNQUOTE.
The substance (R)-(-)-butane-1,3-diol was shown to be readily
biodegradable, is fully miscible in water and does have a negative log
Pow (-0.9). Finally, no direct application to soil is known and indirect
exposure of soil is also unlikely. The substance is used as intermediate
and monomer in industrial processes, making exposure to soil very
unlikely. The professional and consumer uses in cosmetic, washing and
cleaning and pharmaceutical products do result in aqueous emissions to
sewage treatment plants, in which due to the ready biodegradability the
substance would be entirely biodegraded and thus, exposure to soil
through these uses of the substance is unlikely too.
Thus, long-term exposure to soil is not of concern and no testing
for long-term toxicity to soil macroorganisms is required, based on
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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