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EC number: 284-362-7 | CAS number: 84852-49-3
Toxicity to microorganisms
Administrative data
Link to relevant study record(s)
Description of key information
The available data provide a general weight of evidence of a lack of inhibition of micro-organisms at concentrations up to ca. 200 mg/L.
Key value for chemical safety assessment
Additional information
A reliability 4 EC50 value of >2500 mg/l has been determined for the effects of DTPMP on the bioluminescence of the bacterium Photobacterium phosphoreum (Grohmann and Horstmann 1989).
A non-standard study of effects on sewage treatment plant micro-organisms was conducted according to generally accepted scientific principles but lacks detail in the study report. The study reports a lack of effects on respiration for 30 days up to 200 mg/L with ATMP and HEDP.
The data can be directly read across to DTPMP because they a structural analogues and because the effects may be due acidic effects.
All these studies have been used as weight of evidence to determine the low toxicity of DTPMP to micro-organism toxicity. The data from ATMP and HEDP has been used to determine the PNEC being non-limit results.
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