Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 252-161-3
CAS number: 34708-08-2
Triethoxy(3-thiocyanatopropyl)silane (CAS 34708-08-2; EC No. 252-161-3) has a hydrolysis half-life of 23 hours at 25°C and pH 7 (measured).
The hydrolysis products are (3-thiocyanatopropyl)silanetriol and ethanol (CAS 64-17-5; EC No. 200-578-6).
Half-lives of 0.5 days and 0.7 days for reaction with hydroxyl radicals in air have been calculated for triethoxy(3-thiocyanatopropyl)silane and (3-thiocyanatopropyl)silanetriol, respectively.
53% biodegradation in 28 days was attained in a reliable ready biodegradation study conducted according to an appropriate test protocol, and in compliance with GLP. This biodegradation is attributable to the biodegradation of the ethanol hydrolysis product, which is readily biodegradable (OECD 2004). No significant biodegradation is expected for the silanol hydrolysis product.
It is not necessary to obtain further information on biodegradation via simulation tests in water, sediment or soil.
Table 4.1.4: Degradation rates
Degradation rate in water:
Hydrolysis half-life: 23 h at 25°C and pH 7. No significant biodegradation expected for the silanol hydrolysis product.
Degradation rate in sediment:
Hydrolysis may occur (hydrolysis half-life in water 23 h at 25°C and pH 7). No significant biodegradation expected for the silanol hydrolysis product.
Degradation rate in soil:
Degradation rate in air:
Half-life for reaction with hydroxyl radicals in air: 0.5 days for the parent substance and 0.7 days for the silanol hydrolysis product (calculated).
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.Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
Welcome to the ECHA website. This site is not fully supported in Internet Explorer 7 (and earlier versions). Please upgrade your Internet Explorer to a newer version.
Do not show this message again