Registration Dossier
Registration Dossier
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EC number: 500-201-8 | CAS number: 68213-23-0 1 - 2.5 moles ethoxylated
Toxicity to terrestrial plants
Administrative data
- Endpoint:
- toxicity to terrestrial plants: long-term
- Type of information:
- migrated information: read-across based on grouping of substances (category approach)
- Adequacy of study:
- key study
- Study period:
- 05 JAN - 24 JAN 1994
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Guideline study with acceptable restrictions
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 994
- Report date:
- 1994
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 208 (Terrestrial Plants Test: Seedling Emergence and Seedling Growth Test)
- GLP compliance:
- yes
Test material
- Reference substance name:
- Alcohols, C12-14, ethoxylated
- EC Number:
- 500-213-3
- EC Name:
- Alcohols, C12-14, ethoxylated
- Cas Number:
- 68439-50-9
- IUPAC Name:
- 68439-50-9
- Details on test material:
- - Substance type: C12-C14 Fatty alkoholpolyethylenglycolether with 2 EO
- Physical state: liquid
- Analytical purity: 73% a.s. (w/w)
- Lot/batch No.: Pt. 24, Tank 7
Constituent 1
Sampling and analysis
- Analytical monitoring:
- no
Test substrate
- Vehicle:
- no
- Details on preparation and application of test substrate:
- - Method of mixing into soil (if used): Stock solution (0.23 g substance in 20 g quarz sand) was mixed with 1680 g steril substrate to a concentration of 100 mg/kg dry substrate.
Test organisms
open allclose all
- Species:
- Triticum aestivum
- Plant group:
- Monocotyledonae (monocots)
- Details on test organisms:
- - Common name: wheat
- Plant family: Poacea
- Species:
- Brassica alba
- Plant group:
- Dicotyledonae (dicots)
- Details on test organisms:
- - Common name: White mustard
- Plant family: Brassicaceae
- Species:
- Lepidum sativum
- Plant group:
- Dicotyledonae (dicots)
- Details on test organisms:
- - Common name: Garden cress
- Plant family: Brassicaceae
Study design
- Test type:
- seedling emergence toxicity test
- Study type:
- laboratory study
- Substrate type:
- natural soil
- Limit test:
- yes
- Total exposure duration:
- 19 d
Test conditions
- Test temperature:
- 20 - 24 °C
- pH:
- 5.0 - 7.5
- Moisture:
- approximately 60%
- Details on test conditions:
- TEST SYSTEM
- Test container (type, material, size): plastic pots, diameter 6 cm (bottom) and 8 cm (top), 6 cm (height)
- Amount of soil: approximately 100 g substrate
- No. of seeds per container: 5
- No. of replicates per treatment group: 4
- No. of replicates per control: 4
SOURCE AND PROPERTIES OF SUBSTRATE (if soil)
- Geographic location: LUFA soil Speyer (Sp. 2.3)
- Soil texture (if natural soil): particle < 20 µm: 10 - 20%
- Organic carbon (%): < 1.5%
GROWTH CONDITIONS
- Photoperiod: 16 h day / 8 h night
- Light intensity and quality: day: 1500 - 2000 lux, night: approximately 50 lux
- Day/night temperatures: 20 - 24 °C
- Relative humidity (%): 90% - 100%
- Interval of applications: 1 - 2 times per week - Nominal and measured concentrations:
- 100 mg/kg soil
- Reference substance (positive control):
- no
Results and discussion
Effect concentrationsopen allclose all
- Species:
- Triticum aestivum
- Duration:
- 19 d
- Dose descriptor:
- NOEC
- Effect conc.:
- 100 mg/kg soil dw
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- seedling emergence
- Remarks:
- and growth
- Species:
- Brassica alba
- Duration:
- 19 d
- Dose descriptor:
- NOEC
- Effect conc.:
- 100 mg/kg soil dw
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- seedling emergence
- Remarks:
- and growth
- Species:
- Lepidum sativum
- Duration:
- 19 d
- Dose descriptor:
- NOEC
- Effect conc.:
- 100 mg/kg soil dw
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- seedling emergence
- Remarks:
- and growth
- Details on results:
-
SEEDLING EMERGENCE
- Percent seedling emergence: Triticum aestivum: 100 mg/kg: 90% (85% control), Brassica alba: 100 mg/kg: 80% (80% control), Lepidum sativum: 100 mg/kg: 95% (control: 95%)
- Fresh weight: Triticum aestivum: 100 mg/kg: 357 mg (389 mg control), Brassica alba: 100 mg/kg: 248 mg (228 mg control), Lepidum sativum: 100 mg/kg: 71 mg (control: 61 mg)
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.
