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EC number: 260-330-8 | CAS number: 56677-60-2
Hydrolysis
Administrative data
Link to relevant study record(s)
Description of key information
Parent compound tetradecyl chloroformate: Dissolved tetradecyl chloroformate is expected to hydrolyse in less than 12 hours (weight-of-evidence approach).
Hydrolysis product tetradecanol: Tetradeacnol is hydrolytically stable (OECD, 2006).
Key value for chemical safety assessment
Additional information
Parent compound tetradecyl chloroformate:
Based on a weight-of-evidence approach, dissolved tetradecyl chloroformate (CAS 56677 -60 -2) is determined to hydrolyse rapidly to tetradecanol (CAS 112 -72 -1), HCL (CAS 7647 -01 -0) and CO2 (CAS 124 -38 -9). This is confirmed by read across to the analogues substances hexadecyl chloroformate (CAS 26272 -90 -2), ethyl chloroformate (CAS 541 -41 -3), methyl chloroformate (CAS 79 -22 -1), 2 -ethylhehexyl chloroformate (24468 -13 -1), isopropyl chloroformate (CAS 108 -23 -6) and diethylene gyycol bis (chloroformate) (CAS 106 -75 -2).
All these compound hydrolyse rapidly to the corresponding alcohol, CO2 and HCL.
According to the BASF study in 2009, small amounts of the poorly soluble hexadecyl chloroformate slowly dissolve in water. Dissolved hexadecyl chloroformate, however, rapidly decomposes and forms HCL, CO2 and hexadecanol. The hydrolysis half-life of hexadecyl chloroformate is expected to be less than 12 hours.
Hydrolysis product tetradecanol:
The hydrolysis product has no hydrolyseable structural features and would be expected to be stable in respect of hydrolysis. Oxidation would not be expected under normal environmental conditions (OECD, 2006). Furthermore tetradecanol is readily biodegradable (OECD SIDS, 2006). In Annex VIII of Regulation (EC) No 1907/2006, it is laid down that the study on hydrolysis does not need to be conducted if the substance is readily biodegradable.
Regarding the hydrolysis products HCl and CO2, biodegradation is not applicable due to the inorganic character of these molecules. Therefore, no test on hydrolysis is performed.
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