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EC number: 203-002-1
CAS number: 102-06-7
According to a GLP OECD (301D) study, 1,3-diphenylguanidine is readily biodegradable.
A number of reported data were available on 1,3-diphenylguanidine from
1960 to 1988. However, data assessment was difficult because the studies
were poorly documented. In two studies (Chou et al., 1983 ; Kondo,
1988), DPG was for example noted as rapidly degraded in non-adapted
river water but no sound biodegradation follow-up was performed. In
addition, the results of Saegar et al. (1988) suggested that the test
item could be readily biodegradable. That is the reason why a full GLP
OECD 301D study was commissioned in 2015. This study showed that DPG is
readily biodegradable and that no persistent metabolite can be expected.
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