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PBT assessment

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PBT assessment: overall result

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Name:
(R)-(-)-butane-1,3-diol - boundary composition
Type of composition:
boundary composition of the substance
State / form:
liquid
Reference substance:
Composition 1
Name:
(R)-(-)-butane-1,3-diol
Type of composition:
legal entity composition of the substance
State / form:
liquid
Related composition:
Composition 0
Reference substance:
Composition 1
PBT status:
the substance is not PBT / vPvB
Justification:

(R)-(-)-1,3-butanediol is readily biodegradable, has a Log Kow of -0.9, is not toxic to freshwater organisms, and there is a lack of evidence of chronic toxicity. (refer to IUCLID sections 5.2.1, 4.7, 6.1.1, 6.1.3, 6.1.5, 7.7, 7.6, 7.8, 7.5 and 7.9.1). According to ECHA’s Guidance on Information Requirements and Chemical Safety Assessment Chapter R.11: PBT/vPvB (Version 3.0), the substance is not PBT/vPvB.