Registration Dossier
Registration Dossier
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EC number: 253-168-4 | CAS number: 36727-29-4
Endpoint summary
Administrative data
Description of key information
Phototransformation in air
After evaporation or exposure to air, 3,5,5 -trimethylhexanoyl chloride and its hydrolysis product 3,5,5 -trimethylhexanoyl acid will be slowly degraded by photochemical processes.
Hydrolysis
In contact with water 3,5,5 -trimethylhexanoyl chloride will rapidly hydrolyse and form 3,5,5-trimethylhexanoic acid and hydrochloric acid.
Additional information
Phototransformation in air:
In air, 3,5,5 -trimethylhexanoyl chloride is expected to be photodegraded by OH-radicals with a half-life of 1.4 days (BASF SE, 2021). This estimation refers to dry air. In mist, rain, droplets and aerosols, hydrolysis will be the major fate process of the acid chloride due to the short half-life in aqueous solution.
For the hydrolysis product 3,5,5 -trimethylhexanoic acid a half-life of 2.5 days was calculated for the degradation in the atmosphere by OH radicals (BASF SE, 2021).
Hydrolysis:
Parent compound: 3,5,5-trimethylhexanoyl chloride hydrolyses rapidly (less than 10 minutes) and forms 3,5,5-trimethylhexanoic acid and hydrochloric acid. (BASF SE, 2021). Hydrochloric acid is inorganic. 3,5,5-trimethylhexanoic acid does not decompose by hydrolysis under environmental conditions due to its chemical structure.
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