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EC number: 307-055-2 | CAS number: 97489-15-1
Toxicity to microorganisms
Administrative data
- Endpoint:
- toxicity to microorganisms
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Begründung fehlt noch
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 988
- Report date:
- 1988
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- DIN 38412-8 (Pseudomonas Zellvermehrungshemmtest)
- GLP compliance:
- no
Test material
- Reference substance name:
- Hostapur SAS 60
- IUPAC Name:
- Hostapur SAS 60
- Reference substance name:
- Sulfonic acids, C14-17-sec-alkane, sodium salts
- EC Number:
- 307-055-2
- EC Name:
- Sulfonic acids, C14-17-sec-alkane, sodium salts
- Cas Number:
- 97489-15-1
- Molecular formula:
- H3C-(CH2)m-CH-(SO3Na)-(CH2)n-CH3
- IUPAC Name:
- Sulfonic acids, C14-17-sec-alkane, sodium salts
- Details on test material:
- - Name of test material (as cited in study report): Hostapur SAS 60
- Analytical purity: 60%
- Composition of test material, percentage of components: 60% Sulfonic acids, C13-17-sec-alkane, sodium salts
Constituent 1
Constituent 2
Sampling and analysis
- Analytical monitoring:
- not specified
Test solutions
- Vehicle:
- no
Test organisms
- Test organisms (species):
- Pseudomonas putida
- Details on inoculum:
- - Strain: Pseudomonas putida MIGULA, strain Berlin 33/2 (DSM 50026)
Study design
- Test type:
- static
- Water media type:
- freshwater
- Total exposure duration:
- 16 h
Test conditions
- Nominal and measured concentrations:
- Limit test with 1000 mg/L
- Reference substance (positive control):
- no
Results and discussion
Effect concentrationsopen allclose all
- Duration:
- 16 h
- Dose descriptor:
- NOEC
- Effect conc.:
- 600 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- act. ingr.
- Basis for effect:
- growth inhibition
- Remarks on result:
- other: 60% a.i. in test mat.
- Duration:
- 16 h
- Dose descriptor:
- NOEC
- Effect conc.:
- 1 000 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- growth inhibition
Any other information on results incl. tables
No inhibition observed at 1000 mg/L.
Applicant's summary and conclusion
- Executive summary:
The toxicity of the test item Secondary alkane sulfonate, sodium salt to pseudomonas putida was dtermined in a 16 -hour static test according to the Guideline DIN 38412, part 8 (Pseudomonas Zellvermehrungshemm-Test).
A concentration of the test item of 1000 mg/L was tested. There was no inhibition observed. Therfore th highest concentartion without observed effects (NOEC) is nominal 1000 mg/L.
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