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Environmental fate & pathways

Hydrolysis

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Description of key information

p-TSC is hydrolytically instable with a maximum half-life of 2.6 min. at pH 9 and 25 °C.

Key value for chemical safety assessment

Half-life for hydrolysis:
2.6 min
at the temperature of:
25 °C

Additional information

One study, valid without restrictions, is available. The study was performed according to OECD guideline 111.

The test substance showed very fast hydrolysis at 25 °C at all three pHs tested. The test substance is hydrolytically instable.

t1/2 at pH 4 = 2.2 minutes (Rate Constant, k_obs = 0.30 1/s x 10^5 )

t1/2 at pH 7 = 2.2 minutes (Rate Constant, k_obs = 0.32 1/s x 10^5 )

t1/2 at pH 9 = 2.6 minutes (Rate Constant, k_obs = 0.27 1/s x 10^5 )