Registration Dossier
Registration Dossier
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EC number: 223-989-2 | CAS number: 4156-21-2
Endpoint summary
Administrative data
Description of key information
Additional information
BIODEGRADATION IN WATER: SCREENING TESTS
The ready biodegradability of the test item was assessed in a 28-day biodegradation test following the „Manometric Respirometry“ method according tot he OECD guideline for testing of chemicals no. 301F, Ready Biodegradability, Manometric Respirometry test, 1992.
The test item has shown to be not ready biodegradable under test conditions, having not reached the pass level (60% biodegradation), but showing a maximum value of degradation of 55.1% during the 10-day window.
Moreover, the test item did not show any inhibitory effects on the microorganism activity at the tested concentration as demonstrated by the 25% of biodegradation exceeded in the toxicity control already at the second day of the test period.
The test substance was also tested for its inherent biodegradability in the “Modified Zahn-Wellens Test” (OECD 302 B). The test item was neither eliminated nor degraded within 28 days of incubation. The standard, Aniline, was degraded within 14 days by 100 %.
BIODEGRADATION IN WATER: SIMULATION TESTS
Waiving according to "column 2" in Annex VIII and IX of REGULATION (EC) No 1907/2006 (CSA does not indicate need for further investigations). No effects observed in the aquatic environment.
BIODEGRADATION IN SOIL
Waiving according to "column 2" in Annex IX of REGULATION (EC) No 1907/2006 (CSA does not indicate need for further investigations). No environmental hazard identified. An Exposure to soil is very unlikely.
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