Registration Dossier
Registration Dossier
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EC number: 218-489-6 | CAS number: 2162-98-3
Toxicity to microorganisms
Administrative data
- Endpoint:
- toxicity to microorganisms, other
- Remarks:
- Zehrungshemmtest
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with national standard methods
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 987
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: DIN 38412 Teil 12
- Deviations:
- not specified
- GLP compliance:
- not specified
Test material
- Reference substance name:
- 1,10-dichlorodecane
- EC Number:
- 218-489-6
- EC Name:
- 1,10-dichlorodecane
- Cas Number:
- 2162-98-3
- Molecular formula:
- C10H20Cl2
- IUPAC Name:
- 1,10-dichlorodecane
- Test material form:
- liquid
Constituent 1
Sampling and analysis
- Analytical monitoring:
- not specified
Test solutions
- Vehicle:
- not specified
Test organisms
- Test organisms (species):
- activated sludge
Study design
- Test type:
- not specified
- Water media type:
- not specified
- Total exposure duration:
- 24 h
Test conditions
- Hardness:
- not specified
- Test temperature:
- not specified
- pH:
- not specified
- Dissolved oxygen:
- not specified
- Salinity:
- not specified
- Conductivity:
- not specified
- Nominal and measured concentrations:
- not specified
- Reference substance (positive control):
- not specified
Results and discussion
Effect concentrations
- Key result
- Duration:
- 24 h
- Dose descriptor:
- EC50
- Effect conc.:
- > 2.3 mg/L
- Nominal / measured:
- not specified
- Conc. based on:
- test mat.
- Basis for effect:
- other: inhibition
Applicant's summary and conclusion
- Validity criteria fulfilled:
- not specified
- Conclusions:
- Das o.g. Produkt wurde im Zehrungshemmtest auf seine ökotoxikologische Wirkung gegenüber einer Bakterienmischkultur untersucht. Gemessen wird die Hemmung des Bakterienstoffwechsels in Abhängigkeit von der Produktkonzentration. Aus der Dosis - Wirkungsbeziehung wird die Konzentration errechnet, die eine 50%ige Hemmung hervorruft. Die Versuchsdauer beträgt 24h. Aus den Testdaten errechnen sich folgende Werte:
EC 10 = 1.5 mg/l
EC 50 => 2.3 mg/l - Executive summary:
Aus den Testdaten errechnen sich folgende Werte:
EC 10 = 1.5 mg/l
EC 50 = >2.3 mg/l
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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