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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Diss Factsheets

Classification & Labelling & PBT assessment

PBT assessment

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Administrative data

PBT assessment: overall result

Type of composition:
boundary composition of the substance
State / form:
Reference substance:
PBT status:
the substance is not PBT / vPvB

The assessed substance is the submission substance, 3-chloropropyl(dimethoxy)methylsilane.


The substance hydrolyses rapidly in contact with water, and therefore the substance does not meet the criteria for PBT or vPvB.

Likely routes of exposure:

The submission substance and its silanol hydrolysis product do not meet the criteria for PBT; therefore, emission characterisation is not required.