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EC number: 279-356-6
CAS number: 79953-85-8
The described 'yellow disazo condensation
pigment' is practically insoluble in water and has a negligible vapour
pressure. Hence, distribution into the compartments water and air are
unlikely and in consequence abiotic degradation processes like
hydrolyses and photodegradation are not relevant under environmental
conditions. If the pigment will be released into the environment, the
substance may be found in the compartments sediment and soil.
Based on the molecular size, cellular
uptake of the pigment is unlikely. Therefore bioaccumulation in biota
is not expected. Furthermore intracellular biodegradation, which is
the main degradation route of bacteria, is probably low. Hence the
substance is likely to persist in the environment.
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