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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

tetramethylammonium hydroxide
Type of composition:
legal entity composition of the substance
State / form:
solid: bulk
Related composition:
tetramethylammonium hydroxide
Reference substance:
tetramethylammonium hydroxide
PBT status:
the substance is not PBT / vPvB

The substance is not P/vP, since it is readily biodegradable.

The substance is not B/vB, since the log Kow <= 4.5 and the BCF <2000

The substance is T, since it is classified as STOT RE Cat 1.

Based on the fact that P and B screening criteria are not fulfilled, the substance is classified as not PBT/vPvB.