Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.

Diss Factsheets

Environmental fate & pathways

Endpoint summary

Administrative data

Description of key information

Additional information

The results of biodegradation screening tests are variable. 1,2-Dichloropropane was not degraded in the Zahn-Wellens Test for inherent biodegradability. No degradation was also observed in the Modified MITI Test (301C). However, based on the supporting studies, 1,2-dichloropropane is susceptible to biodegradation under aerobic conditions when incubated with adapted cultures, particularly those containing microbial oxygenase enzymes with broad substrate specificity.

1,2-Dichloropropane was degraded in water and sediment by naturally occurring organisms under anaerobic conditions. Studies conducted with sediments from Red Cedar Creek demonstrated stochiometric conversion to propene after 4 months of incubation. Based on these results, the estimated half-life in surface sediments is 60 days at 25 C.

Half-lives for the dissapation of 1,2-dichloropropane in soils range from 41 to 69 days (average 52 days) at 15C. Based on the release rates of water extractable inorganic chloride, the complete degradation of 1,2-dichloropropane is slow.