Registration Dossier
Registration Dossier
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EC number: 202-653-9 | CAS number: 98-29-3
Toxicity to terrestrial arthropods
Administrative data
- Endpoint:
- toxicity to terrestrial arthropods: long-term
- Type of information:
- experimental study
- Adequacy of study:
- disregarded due to major methodological deficiencies
- Reliability:
- 3 (not reliable)
- Rationale for reliability incl. deficiencies:
- other: see 'Remark'
- Remarks:
- Test conditions are well described, but the species used is not standardised. The number of tested organisms per group is not indicated, the range of concentrations tested is not known, there is no analytical monitoring data and the pH during the test is not described.
Data source
Reference
- Reference Type:
- publication
- Title:
- Toxicological effects produced by some 1,3-benzodioxoles, catechols and quinones in Culex mosquito larvae
- Author:
- Desmarchelier JM, Fukuto TR
- Year:
- 1 974
- Bibliographic source:
- J Economic Entomology, 67(2), 153-158
Materials and methods
- Principles of method if other than guideline:
- No data
- GLP compliance:
- no
- Application method:
- oral
Test material
- Reference substance name:
- 4-tert-butylpyrocatechol
- EC Number:
- 202-653-9
- EC Name:
- 4-tert-butylpyrocatechol
- Cas Number:
- 98-29-3
- Molecular formula:
- C10H14O2
- IUPAC Name:
- 4-tert-butylbenzene-1,2-diol
- Details on test material:
- 4-tert-butylpyrocatechol was synthesised as described by Desmarchelier et al. (1973). It was purified by recrystallization or sublimation prior to use. Structure was confirmed by NMR and usually by mass spectrometry.
Constituent 1
Sampling and analysis
- Analytical monitoring:
- not specified
Test substrate
- Vehicle:
- yes
- Details on preparation and application of test substrate:
- No data
Test organisms
- Test organisms (species):
- Culex pipiens quinquefasciatus
- Animal group:
- Diptera (mosquitoe)
- Details on test organisms:
- TEST ORGANISM
- Common name: culex pipiens quinquefasciatus
no other data available
ACCLIMATION: no data
Study design
- Study type:
- laboratory study
- Total exposure duration:
- 21 d
Test conditions
- Test temperature:
- 24°C
- Humidity:
- no data
- Photoperiod and lighting:
- no data
- Details on test conditions:
- No data
- Nominal and measured concentrations:
- 0.1 and 1 ppm
Results and discussion
Any other information on results incl. tables
Endpoint
Concentration (ppm)
0.1 1
% 24h larval mortality 0 0
% dead larvae 25 85
% dead pupae 0 0
% dead adults 5 10
% live adult 70 5
Applicant's summary and conclusion
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.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
