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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Methylsilanetriyl triacetate
Type of composition:
boundary composition of the substance
State / form:
solid: particulate/powder
Reference substance:
Methylsilanetriyl triacetate
PBT status:
the substance is not PBT / vPvB

The assessed substance is the hydrolysis product of the submission substance. The submission substance hydrolyses very rapidly in contact with water to form methylsilanetriol and acetic acid.

The silanol hydrolysis product, methylsilanetriol may persist in the environment but does not meet the criteria for B or T, and therefore the hydrolysis product should not be concluded as PBT or vPvB.