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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Triethylene glycol dimethyl ether
Type of composition:
legal entity composition of the substance
State / form:
Reference substance:
Triethylene glycol dimethyl ether
PBT status:
the substance is not PBT / vPvB

The registration substance is not readily biodegradable. It is inherently biodegradable, but failing the specific additional conditions described in the PBT guidance document. Therefore the 'vP' and the 'P' criteria of the vPvB / PBT Assessment is fulfilled.

The registration substance has a measured Log Kow of -0.52. Therefore the 'B' and the 'vB' criteria for the vPvB / PBT Assessment is not fulfilled.

For the aquatic compartment Triglyme the lowest ecotoxicity value is 320 mg/L (chronic NOEC (21d) Daphnia).
The 'T' criteria for Triglyme based on the lowest aquatic (chronic) toxicity result is NOT fulfilled as the
toxicity value of 320 mg/L is above the chronic toxicity criteria of 0.01 mg/L for the aquatic compartment.
Triglyme is classified as reprotoxic category 1B and therefore the ‘T’ criteria related to Human health toxicity within the PBT &vPvB Assessment is fulfilled.

For Triglyme the ‘P’ and ‘T’ criteria are fulfilled but the ‘B’ criteria not. Nevertheless Triglyme is neither a 'PBT' nor a 'vPvB' substance.