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EC number: 947-436-6 | CAS number: -
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 1990
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study with acceptable restrictions
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 D (Ready Biodegradability: Closed Bottle Test)
- GLP compliance:
- no
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge, domestic (adaptation not specified)
- Details on inoculum:
- - Source of inoculum/activated sludge: Klärwerk Stellinger Moor, Hamburg, Germany
- Preparation of inoculum for exposure: sludge filtrated, filtrate used for test (1 drop) - Duration of test (contact time):
- 28 d
- Parameter followed for biodegradation estimation:
- O2 consumption
- Details on study design:
- TEST CONDITIONS
- Test temperature: 20 +- 1°C
- pH: 7.2 - 7.7
TEST SYSTEM
- Culturing apparatus: 250 mL BSB-bottles
CONTROL AND BLANK SYSTEM
- Inoculum blank: yes - Reference substance:
- other: Sodium Dodecylsulfate
- Parameter:
- % degradation (DOC removal)
- Value:
- 51
- Sampling time:
- 5 d
- Key result
- Parameter:
- % degradation (DOC removal)
- Value:
- 72
- Sampling time:
- 15 d
- Parameter:
- % degradation (DOC removal)
- Value:
- 79
- Sampling time:
- 20 d
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- readily biodegradable
- Conclusions:
- GIGASEPT FF was tested in a Cosed Bottle Test according to OECD 301D.
Reference
The reference substance degraded to 46, 70 and 71% after 5, 15 and 28 days, respectively.
Description of key information
GIGASEPT FF was tested in a Cosed Bottle Test according to OECD 301D.
Key value for chemical safety assessment
- Biodegradation in water:
- readily biodegradable
Additional information
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