Registration Dossier
Registration Dossier
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EC number: 420-660-7 | CAS number: 74135-10-7 NATRIUM-SUCROSEOCTASULFAT
Toxicity to aquatic algae and cyanobacteria
Administrative data
- Endpoint:
- toxicity to aquatic algae and cyanobacteria
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 20/09/1996 - 13/09/1996
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: This test was performed according to OECD guideline 201.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 996
- Report date:
- 1996
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 201 (Alga, Growth Inhibition Test)
- Qualifier:
- according to guideline
- Guideline:
- EU Method C.3 (Algal Inhibition test)
- GLP compliance:
- yes
Test material
- Reference substance name:
- Octasodium 2-(3,4-bis(sulfonatooxy)-2,5-bis(sulfonatooxymethyl)tetrahydrofuran-2-yloxy)-3,5-bis(sulfonatooxy)-6-sulfonatooxymethyltetrahydropyran-4-oxysulfonate
- EC Number:
- 420-660-7
- EC Name:
- Octasodium 2-(3,4-bis(sulfonatooxy)-2,5-bis(sulfonatooxymethyl)tetrahydrofuran-2-yloxy)-3,5-bis(sulfonatooxy)-6-sulfonatooxymethyltetrahydropyran-4-oxysulfonate
- Cas Number:
- 74135-10-7
- Molecular formula:
- Hill formula: C12H14Na8O35S8 CAS formula: C12H22O35S8.8Na
- IUPAC Name:
- octasodium (2S,3S,4R,5R)-4-(sulfonatooxy)-2,5-bis[(sulfonatooxy)methyl]-2-{[(2R,3R,4S,6R)-3,4,5-tris(sulfonatooxy)-6-[(sulfonatooxy)methyl]oxan-2-yl]oxy}oxolan-3-yl sulfate
- Test material form:
- solid: particulate/powder
- Remarks:
- migrated information: powder
- Details on test material:
- Physical state: Liquid
Colour: clear
Constituent 1
Test solutions
- Details on test solutions:
- Identity and concentration of auxiliary solvent for dispersal: Kein Lösevermittler
"ENGLISH"
none
Test organisms
- Test organisms (species):
- Desmodesmus subspicatus (previous name: Scenedesmus subspicatus)
Study design
- Test type:
- static
- Water media type:
- freshwater
- Limit test:
- yes
- Total exposure duration:
- 72 h
Test conditions
- Test temperature:
- 23 +/- 2 °C
- pH:
- 8 - 9.57
Results and discussion
Effect concentrationsopen allclose all
- Duration:
- 72 h
- Dose descriptor:
- EC50
- Effect conc.:
- 1 540 mg/L
- Basis for effect:
- biomass
- Duration:
- 72 h
- Dose descriptor:
- EC50
- Effect conc.:
- 4 940 mg/L
- Basis for effect:
- growth rate
- Details on results:
- %Concentration loss over test: 0 ...
No NOEC given, as at low concentrations a slight promotion of the growth was observed.
Applicant's summary and conclusion
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