Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.
The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
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Reaction mass of lithium sodium hydrogen 4-amino-6-({5-[(5-chloro-2,6-difluoropyrimidin-4-yl)amino]-2-sulfonatophenyl}diazenyl)-5-hydroxy-3-[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate and lithium sodium hydrogen 4-amino-6-({5-[(5-chloro-2,6-difluoropyrimidin-4-yl)amino]-2-sulfonatophenyl}diazenyl)-5-hydroxy-3-{[4-(vinylsulfonyl)phenyl]diazenyl}naphthalene-2,7-disulfonate
EC number: 941-533-7 | CAS number: -
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
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: see 'Remark'
- Remarks:
- While nominally fullfilling the test criteria for Klimisch 2, the outcome of the test is considered as not relevant for the classification as the registration substance is a dark coloured substance (see Phytotoxicity of coloured substances: is Lemna Duckweed an alternative to the algal growth inhibition test? Publication: Chemosphere 49 (2002) 9–15)
Data source
Reference
- Reference Type:
- other: Information from migrated NONS file, as per inquiry number 06-2120053365-59- 0000, permission to refer granted by ECHA
- Title:
- Unnamed
- Year:
- 2 014
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- EU Method C.3 (Algal Inhibition test)
- GLP compliance:
- yes
Test material
- Reference substance name:
- Automatically generated during migration to IUCLID 6, no data available
- IUPAC Name:
- Automatically generated during migration to IUCLID 6, no data available
- Details on test material:
EC number 401-560-2
Notification number 87-04-0062-02
Result Partly provided (some studies submitted lessthan 12 years previously)
Constituent 1
Test organisms
- Test organisms (species):
- Desmodesmus subspicatus (previous name: Scenedesmus subspicatus)
Study design
- Limit test:
- yes
- Total exposure duration:
- 72 h
Results and discussion
Effect concentrationsopen allclose all
- Duration:
- 72 h
- Dose descriptor:
- EC50
- Effect conc.:
- 6.8 mg/L
- Basis for effect:
- growth rate
- Duration:
- 72 h
- Dose descriptor:
- NOEC
- Effect conc.:
- < 0.4 mg/L
- Basis for effect:
- growth rate
- Duration:
- 72 h
- Dose descriptor:
- EC50
- Effect conc.:
- 2.9 mg/L
- Basis for effect:
- biomass
- Duration:
- 72 h
- Dose descriptor:
- NOEC
- Effect conc.:
- 0.4 mg/L
- Basis for effect:
- biomass
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.
