Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.
The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
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: 225-193-0 | CAS number: 4707-47-5
Endpoint summary
Administrative data
Description of key information
Abiotic degradation:
Air: Based on estimation with the QSAR model AopWin the substance undergoes in air rapid degradation after reaction with hydroxyl radicals. The DT50 value after reaction with hydroxyl radicals is 0.639 hour. The substance will not reach the stratosphere and is therefore not considered to be a long-range transported chemical in air. The reaction with ozone could not be estimated. The substance does not have an ozone depletion potential because it does not contain halogens and does not have the potential to reach the stratosphere (EU CLP, 2008 and its amendments).
Water: The substance is an ester and therefore the hydrolysis may occur. The ester is attached to an electrophilic aromatic ring with OH- groups and therefore hydrolysis is likely. In absence of hydrolysis data (because the substance is readily biodegradable) a conservative half-life for hydrolysis is selected: > 1 year.
Biotic degradation:
In a biodegradation screening study (OECD TG 301F), after 28 days exposure of secondary activated sludge to 100 mg/L substance, 63% biodegradation was observed. Based on these findings the substance is considered to be readily biodegradable.
Bioaccumulation:
Based on the log Kow it can be concluded that the substance has low bioaccumulation potential with calculated BCF values for aquatic and terrestrial organisms of 232.4 and 5.62 L/kg wwt, respectively.
Transport and distribution:
The adsorption/desorption (Koc) is calculated because the log Kow is < 3. Using the measured log Kow (2.6) and the default non-hydrophobics QSAR in EUSES (log Kow < 3): Koc = 10.47*(Kow)^0.52 the Koc is 235 L/kg and the log Koc 2.4. Based on this value it may be concluded that the substance has low potential for adsorption to solid surfaces.
A Henry's law constant of 0.011 Pa·m³/mol (at 12 °C) was calculated in EUSES (Vap pressure 0.002 Pa at 24°C, 196.2 molecular weight and 18 mg/l at 24°C water solubility). Based on this value the substance will not partition from water to air.
Based on Level III environmental distribution modelling using EPISUITE (assuming equal and continuous releases to air, water and soil) using the CAS number 4707-47-5, and the predicted EpiSuite values, it is estimated that the majority of the substance released to the environment will partition mainly into soil (82%) and water (17.8%) with small amounts to air (0.00964%) and sediment (0.237%).
The SimpleTreat model, which is incorporated in EUSES, simulates the distribution of the substance in a Sewage Treatment Plant (STP). Model calculations show that 85.4% of the substance will be degraded and that 0.04%, 12.4% and 2.16% will partition to air, water and sewage sludge, respectively.
Additional information
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.
