Registration Dossier
Registration Dossier
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EC number: 203-816-7 | CAS number: 110-93-0
Endpoint summary
Administrative data
Description of key information
Abiotic degradation
- Air: Based on estimation with the QSAR model Aopwin (v1.92) the substance undergoes in air rapid degradation after reaction with hydroxyl radicals or ozone. The DT50 values after reaction with hydroxyl radicals and ozone are 1.4 hours and 38.4 min respectively. The substance will not reach the stratosphere and is therefore not considered to be a long-range transported chemical in air. 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 (GHS, 3rd Edition, CLP, 2008).
- Water: No information on hydrolysis was required based on the readily biodegradability of the substance.
Biotic degradation
In a biodegradation screening study (OECD TG 301F), after 28 days exposure of secondary activated sludge to 85 mg/Lsubstance, 91% biodegradation was observed. Based on these findings the substance is considered to be readily biodegradable.
Bioaccumulation
Based on the experimental log Kow 2.07, BCFfish and BCFearthworm values have been calculated with the relationships/formulas by Veith and Jager (EU-TGD). BCF values were calculated as 11.5 and 2.25 L/kg, respectively. Therefore, it can be concluded that the substance has limited bioaccumulation potential.
Transport and distribution
The Log Koc predicted by EpiSuite with the MCI method is 1.62 (equivalent to a Koc = 41.84 L/kg). Based on this value it may be concluded that the substance has negligible potential for adsorption to solid surfaces and high mobility in soil or sediment.
A Henry's law constant of 2.24 Pa·m³/mol (at 12 °C) was calculated in EUSES (Vap pressure 1.1214 hPa, 126.2 molecular weight and 3.02 g/l water solubility. Based on this value the substance has some potential to partition from water to air.
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.
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