Registration Dossier

Diss Factsheets

Administrative data

Endpoint:
toxicity to microorganisms, other
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
3 (not reliable)
Rationale for reliability incl. deficiencies:
other: Only short reporting of results available.

Data source

Reference
Reference Type:
other company data
Title:
Unnamed
Year:
1990

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
DIN 38412-8 (Pseudomonas Zellvermehrungshemmtest)
Deviations:
not specified
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
2,4,6-tri-sec-butylphenol
EC Number:
227-572-6
EC Name:
2,4,6-tri-sec-butylphenol
Cas Number:
5892-47-7
Molecular formula:
C18H30O
IUPAC Name:
2,4,6-tris(butan-2-yl)phenol
Test material form:
liquid

Test organisms

Test organisms (species):
Pseudomonas putida

Results and discussion

Effect concentrationsopen allclose all
Dose descriptor:
EC10
Effect conc.:
52.4 mg/L
Nominal / measured:
nominal
Conc. based on:
not specified
Basis for effect:
growth inhibition
Dose descriptor:
EC50
Effect conc.:
647.6 mg/L
Nominal / measured:
nominal
Conc. based on:
not specified
Basis for effect:
growth inhibition
Dose descriptor:
EC100
Effect conc.:
> 1 000 mg/L
Nominal / measured:
nominal
Conc. based on:
not specified
Basis for effect:
growth inhibition

Applicant's summary and conclusion

Conclusions:
A toxicity test to microorganism according to DIN 38412 Part8 resulted in EC50=647.6 mg/l.
Executive summary:

A toxicity test to microorganism according to DIN 38412 Part8 resulted in EC50=647.6 mg/l.

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