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Ecotoxicological information

Toxicity to aquatic algae and cyanobacteria

Administrative data

Endpoint:
toxicity to aquatic algae and cyanobacteria
Type of information:
calculation (if not (Q)SAR)
Remarks:
Migrated phrase: estimated by calculation
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)

Data source

Reference
Reference Type:
other: Authoritative data base
Title:
Danish QSAR study for CAS No.: 41687-30-3
Author:
Danish EPA Model
Year:
2012
Bibliographic source:
QSAR predictions by Danish Environmental Protection Agency (EPA)model powered by OASIS database:-DK-EPA (manuscript in preparation)

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: modelling database
Principles of method if other than guideline:
Multicase model is used to estimate EC50 (growth) of algae.
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
2-[(3-nitrophenyl)sulphonyl]ethanol
EC Number:
255-501-9
EC Name:
2-[(3-nitrophenyl)sulphonyl]ethanol
Cas Number:
41687-30-3
Molecular formula:
C8H9NO5S
IUPAC Name:
3 Nitrophenyl-B-Hydroxyethylsulfone
Details on test material:
- Name of test material (as cited in study report): 2-[(3-nitrophenyl)sulphonyl]ethanol
- Substance type: Organic
- Physical state: Solid

Sampling and analysis

Analytical monitoring:
not specified

Test solutions

Vehicle:
not specified

Test organisms

Test organisms (species):
Raphidocelis subcapitata (previous names: Pseudokirchneriella subcapitata, Selenastrum capricornutum)

Study design

Test type:
not specified
Water media type:
not specified
Limit test:
yes

Results and discussion

Effect concentrations
Dose descriptor:
EC50
Effect conc.:
861.76 mg/L
Nominal / measured:
meas. (not specified)
Conc. based on:
test mat.
Basis for effect:
growth rate
Remarks on result:
other: Duration not available

Applicant's summary and conclusion

Conclusions:
Toxicity to Pseudokirchneriella subcapitata (Selenastrum capricornutum) EC50 (growth) examined at dose concentration : 861.7601 mg/L
Executive summary:

Toxicity to Pseudokirchneriella subcapitata (Selenastrum capricornutum) EC50 (growth) examined at dose concentration : 861.7601 mg/L