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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Endpoint summary

Administrative data

Description of key information

Additional information

The stability of the substance towards hydrolysis was determined (Bayer, 1999a). Based on kinetic parameters, the following dissipation half-lives were derived:

pH 4 (25 °C): t1/2: 529.88 h (extrapolation)

pH 4 (50 °C): t1/2: 34.92 h

pH 7 (50 °C): t1/2: 1.48 h

pH 9 (50 °C): t1/2: 0.98 h

The assumption that the ester functions were hydrolysed was proven by LC-MS. It could be shown that up to two ester functions within one molecule were cleaved by hydrolysis forming carboxylic acid functions. No further analysis was performed to determine the exact identity of the hydrolysis products.

Using the van´t Hoff´s rule the dissipation half-lives at 25°C for pH 7 and pH 9 were calculated:

pH 7 (25°C): t1/2: 7.89 h

pH 9 (25°C): t1/2: 5.21 h