Registration Dossier
Registration Dossier
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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.
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EC number: 202-501-1 | CAS number: 96-34-4
Endpoint summary
Administrative data
Description of key information
Additional information
Stability:
Phototransformation in air:
Calculation by EPI-Suite, EPA (USA) v3.20:
Atmospheric Oxidation (25 deg C): Hydroxyl Radicals Reaction: OVERALL OH Rate Constant = 0.2460 E-12 cm3/molecule-sec Half-Life = 43.475 Days (12-hr day; 1.5E6 OH/cm3)
Hydrolysis:
Aqueous Base/Acid-Catalyzed Hydrolysis (25 ºC) [HYDROWIN v.1.67]: Total Kb for pH > 8 at 25 deg C : 9.371E+000 L/mol-sec.
Kb Half-Life at pH 8: 20.544 hours
Kb Half-Life at pH 7: 8.560 days
Biodegradation:
Biodegradation in water: screening tests: Readily biodegradable: 61% after 8 days and 80% after 28 days (OECD 301F). Based on these results, it is concluded that the test substance methyl chloroacetate is readily biodegradable. This result is supported by further experimental data on readily biodegradabiliy (OECD 301E), experimental data on inherent biodegradability (OECD 302B) and estimated data (EPI Suite).
Bioaccumulation:
The estimated bioaccumulation factor is 3.162 (BCFWIN v2.17). The Log BCF from regression-based method is 0.500. The log Pow used is 0.63 (estimated). Based on the estimated data, the substance is considered to have a low bioaccumulation potential.
Transport and distribution:
Adsorption/desorption:
Calculation by EPI-Suite, EPA (USA) v3.20 / PCKOCWIN v1.66: Koc=6.423; Log Koc=0.808
Henry´s Law constant:
Weight of evidence: Calculation by EPI-Suite and experimental data (EPI-Suite): The Henry´s law constant is between 2.37 x 10-05 and 6.18 x 10-05 atm.m3/mol
Distribution modelling:
Calculation by EPI-Suite, EPA (USA) v3.20 / Fugacity_LEVEL3NT:
Persistence time: 347 h = 14 d
Half lifes; Air: 1,040 h = 43 d; Water: 360 h = 15 d; Soil: 720 h = 30 d; Sediment: 3,240 h = 135 d;
Volatilization from water; Half life vom Model river: 26.8 h; from Model Lake: 379.7 h = 15.82 d
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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