Registration Dossier
Registration Dossier
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EC number: 603-157-9 | CAS number: 12676-29-8
Toxicity to soil macroorganisms except arthropods
Administrative data
- Endpoint:
- toxicity to soil macroorganisms except arthropods: short-term
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- May 2012
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Study performed according to OECD Guideline and GLP
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 012
- Report date:
- 2012
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 207 (Earthworm, Acute Toxicity Tests)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
Test material
- Reference substance name:
- Boron silicate
- EC Number:
- 603-157-9
- Cas Number:
- 12676-29-8
- Molecular formula:
- H7 B7 Si57 O128
- IUPAC Name:
- Boron silicate
- Test material form:
- solid: particulate/powder
- Remarks:
- migrated information: powder
- Details on test material:
- Lot Number: 9773 1275LO
Purity: > 90%
Constituent 1
Sampling and analysis
- Analytical monitoring:
- no
Test substrate
- Vehicle:
- no
Test organisms
- Test organisms (species):
- Eisenia fetida
Study design
- Study type:
- laboratory study
- Substrate type:
- artificial soil
- Limit test:
- yes
- Total exposure duration:
- 14 d
Test conditions
- Test temperature:
- 20 - 22 °C
- Moisture:
- 80 - 85 %
- Details on test conditions:
- During the test, artificial soil was used with the maisture content of the test medium controlled in range of 32% to 36% with pH from 6.0 to 6.2. The
test conditions were maintained as follows: temperature of 20°C to 22°C, humidity of 80% to 85% and continuous light with intensity of 400 Iux to
800 Jux.
The mean weights of the test worms at the start and end of exposure both were about 320 mg. No unusual circumstances that might have affected the integrityand quality of lhe study were observed. Mortality was not observed in the control at the end of tbe study. - Nominal and measured concentrations:
- 1000 mg/kg (dry soil)
- Reference substance (positive control):
- yes
- Remarks:
- 2-chloroacetamide
Results and discussion
Effect concentrationsopen allclose all
- Duration:
- 14 d
- Dose descriptor:
- LC50
- Effect conc.:
- > 1 000 mg/kg soil dw
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- mortality
- Duration:
- 14 d
- Dose descriptor:
- NOEC
- Effect conc.:
- >= 1 000 mg/kg soil dw
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- mortality
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.
