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EC number: 228-532-0
CAS number: 6290-03-5
The acute short-term fish, crustacean and algae toxicity of
(R)-(-)-butane-1,3-diol is predicted to be L(E)C50 of greater than 100
mg/L; this is in excess of the acute classification cut-off of 1 mg/L.
The chronic long-term daphnid toxicity of the readily
biodegradable (R)-(-)-butane-1,3-diol is predicted to be 21-day NOEC of
greater than 85 mg/L; this is in excess of the chronic classification
cut-off of 1 mg/L.
There is no evidence that (R)-(-)-butane-1,3-diol may present a
danger to the structure and/or the functioning of the stratospheric
Based on the information summarized above, (R)-(-)-butane-1,3-diol
does not meet the criteria for classification as an environmental
hazard, nor does it meet the criteria for classification as a hazard to
the ozone layer according to sections 4 and 5. of the European CLP
(Regulation (EC) No 1272/2008 as amended).
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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