Registration Dossier
Registration Dossier
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EC number: 200-262-8 | CAS number: 56-23-5
Biodegradation in soil
Administrative data
Link to relevant study record(s)
Description of key information
The half-life for disappearance of carbon tetrachloride in both sterile and non-sterile systems was around 5 days, indicating that volatilization was the likely removal process
Key value for chemical safety assessment
- Half-life in soil:
- 5 d
- at the temperature of:
- 20 °C
Additional information
Anderson et al (1991) studied the loss of carbon tetrachloride from two different soil types, a silt loam 1.49% organic carbon) and a sandy loam (0.66% organic carbon). Carbon tetrachloride was applied to the soil (in a mixture with 14 other compounds) at a concentration of 100 mg/kg (dry weight) and the soil was incubated in the dark at 20 deg C for 7 days. The half-life for disappearance of carbon tetrachloride in both sterile and non-sterile systems was around 5 days, indicating that volatilization was the likely removal process. Carbon tetrachloride is likely to volatilize rapidly from soil. Absorption of CTC into soil and sediment may occur to a small extent but CTC is likely to be mobile in such media.
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