Registration Dossier
Registration Dossier
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EC number: 601-490-4 | CAS number: 117704-25-3
Biodegradation in soil
Administrative data
Link to relevant study record(s)
Description of key information
A literature data shows the half-life time of the substance in soil is 67 days at 22°C.
Key value for chemical safety assessment
- Half-life in soil:
- 67 d
- at the temperature of:
- 22 °C
Additional information
CO2 evolution test, FDA-TAD 3.12, GLP [[i]]
mean aerobic DT50 (primary) = 67 days at 22 °C
mean aerobic DT50 (mineralisation) = 925 days
Soil type | Degradation, 72 days | DT50 |
Clay loam | 42.2 % | 79 days |
Silty loam | 53.5 % | 62 days |
Loam | 55.6 % | 61 days |
Metabolites after 72 days: 14 quantifiable compounds in all soils, with 8-α-hydroxydoramectin in silt loam (12.7 – 13.8 %) and loam (7.09 %).
[i] Fernando, T. R. (1993). Aerobic Biodegradation of Doramectin in Soil. Battelle Columbus Operations, USA, study SC920011.
ZRD-STU-019206
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