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PBT assessment

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PBT assessment: overall result

Reaction mass of 4-sulphophthalic acid and 3-sulphophthalic acid
Type of composition:
legal entity composition of the substance
State / form:
solid: bulk
Reference substance:
Composition 1
Reference substance:
Composition 1
PBT status:
the substance is not PBT / vPvB

There are no biodegradation studies on the reaction mass of 4 -sulphophthalic acid and 3 -sulphophthalic acid (read across target substance) and biodegradation information was read across to the reaction mass of 1,2-Benzenedicarboxylic acid, 4-sulfo-, trisodium salt, 1,2-Benzenedicarboxylic acid, 3-sulfo-, sodium salt (1:3), sodium sulphate (read across source substance). The sulphophthalic acid sodium salt reaction mass was 90 -100% biodegradable after 28-days in the DOC Die-Away Test. Based on the determined rate of biodegradation at the end of exposure the test substance can be evaluated as readily biodegradable.