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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

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.

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Classification & Labelling & PBT assessment

PBT assessment

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Administrative data

PBT assessment: overall result

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Name:
(2R,3S)-butane-2,3-diol
Type of composition:
boundary composition of the substance
State / form:
liquid
Reference substance:
(2R,3S)-butane-2,3-diol
Name:
(2R,3S)-butane-2,3-diol
Type of composition:
legal entity composition of the substance
State / form:
liquid
Related composition:
(2R,3S)-butane-2,3-diol
Reference substance:
(2R,3S)-butane-2,3-diol
PBT status:
the substance is not PBT / vPvB
Justification:

From the presented data on biodegradation it can be concluded that the submission substance is neither persistent (not P) nor very persistent (not vP) in the environment. From the data on log Kow it can be concluded that the submission substance is neither bioaccumulative (not B) nor very bioaccumulative (not vB). Based on the results from acute and chronic aquatic toxicity studies, the substance is considered not toxic (not T). Furthermore, the submission substance is not classified for CMR or STOT RE properties. The submission substance does not meet the T criterion.

In conclusion, the submission substance does not meet the PBT/vPvB criteria according to REACH Annex XIII.