Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Administrative data

Endpoint:
toxicity to microorganisms
Type of information:
experimental study
Adequacy of study:
supporting study
Study period:
1988
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: Documentation insufficient for assessment

Data source

Reference
Reference Type:
other company data
Title:
Unnamed
Year:
1988

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: Bringmann G and Kühn R (1977). Z. Wasser Abwasser Forsch. 10, 87-98.
Deviations:
not specified
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
2,2,4(or 2,4,4)-trimethyladipic acid
EC Number:
258-556-7
EC Name:
2,2,4(or 2,4,4)-trimethyladipic acid
Cas Number:
53445-37-7
Molecular formula:
C9H16O4
IUPAC Name:
2,2,4-trimethylhexanedioic acid; 2,4,4-trimethylhexanedioic acid
Details on test material:
2,2,4(or 2,4,4)-Trimethyladipic acid of Hüls AG, purity typical but not reported

Sampling and analysis

Analytical monitoring:
no

Test solutions

Vehicle:
no

Test organisms

Test organisms (species):
Pseudomonas putida

Study design

Test type:
static
Total exposure duration:
18 h

Test conditions

Details on test conditions:
Type: aquatic
Reference substance (positive control):
no

Results and discussion

Effect concentrations
Duration:
18 h
Dose descriptor:
EC10
Effect conc.:
60 mg/L

Applicant's summary and conclusion

Validity criteria fulfilled:
not specified
Conclusions:
The 18 h-EC10 of 2,2,4(or 2,4,4)-trimethylhexanedioic acid for Pseudomonas putida was determined as 60 mg/l.
Executive summary:

The 18 h-EC10 of 2,2,4(or 2,4,4)-trimethylhexanedioic acid for Pseudomonas putida was determined according to Bringmann and Kühn (1977) as 60 mg/l.