Registration Dossier
Registration Dossier
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EC number: 253-168-4 | CAS number: 36727-29-4
Hydrolysis
Administrative data
Link to relevant study record(s)
Description of key information
In contact with water 3,5,5-trimethylhexanoyl chloride will hydrolyse rapidly and forms 3,5,5-trimethylhexanoic acid and hydrochloric acid.
According to structural properties hydrolysis of the hydrolysis product 3,5,5-trimethylhexanoic is not expected.
Key value for chemical safety assessment
Additional information
QSAR-disclaimer
In Article 13 of Regulation (EC) No 1907/2006, it is laid down that information on intrinsic properties of substances may be generated by means other than tests, provided that the conditions set out in Annex XI (of the same Regulation) are met.
According to Annex XI of Regulation (EC) No 1907/2006 (Q)SAR results can be used if (1) the scientific validity of the (Q)SAR model has been established, (2) the substance falls within the applicability domain of the (Q)SAR model, (3) the results are adequate for the purpose of classification and labeling and/or risk assessment and (4) adequate and reliable documentation of the applied method is provided.
For the assessment of 3,5,5-trimethylhexanoyl chloride (Q)SAR results were used for hydrolysis. The criteria listed in Annex XI of Regulation (EC) No 1907/2006 are considered to be adequately fulfilled and therefore the endpoint(s) sufficiently covered and suitable for risk assessment.
Therefore, further experimental studies on hydrolysis are not provided.
Assessment:
HYDROWIN 2.00 data indicate that acyl halides, like 3,5,5-trimethylhexanoyl chloride, usually have hydrolytic half-lives of less than 10 minutes (BASF SE, 2021).
3,5,5-trimethylhexanoyl chloride hydrolyses rapidly and forms 3,5,5-trimethylhexanoic acid and hydrochloric acid. Hydrochloric acid is inorganic. 3,5,5-trimethylhexanoic acid does not decompose by hydrolysis under environmental conditions due to its chemical structure.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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