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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 226-736-4 | CAS number: 5460-09-3
Short-term toxicity to fish
Administrative data
- Endpoint:
- short-term toxicity to fish
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 992
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: Japanese Industrial Standard (JIS K 0102-1986-71)
- GLP compliance:
- not specified
Test material
- Reference substance name:
- Sodium hydrogen 4-amino-5-hydroxynaphthalene-2,7-disulphonate
- EC Number:
- 226-736-4
- EC Name:
- Sodium hydrogen 4-amino-5-hydroxynaphthalene-2,7-disulphonate
- Cas Number:
- 5460-09-3
- Molecular formula:
- C10H9NO7S2.Na
- IUPAC Name:
- sodium hydrogen 4-amino-5-hydroxynaphthalene-2,7-disulfonate
Constituent 1
Test organisms
- Test organisms (species):
- Oryzias latipes
- Details on test organisms:
- - Supplier: Nakashima fish farm
- Conditions for fish keeping: At reception, fish showing abnormal signs were removed. The fish were reared according to flow -through system
for 3 - 5 weeks after external disinfection.
- Conditions for acclimatization: Fish were reared in an acclimatizatino tank according to flow-through system at temperature of 25°C +/- 2 for
about 28 d. During this period, abnormal fish were removed.
Study design
- Water media type:
- freshwater
- Total exposure duration:
- 48 h
Test conditions
- Test temperature:
- 25 °C +/- 2
- Details on test conditions:
- TEST CONDITIONS
- test tank: round glass vessel
- volume of test water: 4 L per aquaria
- number of fish: 10 per aquaria
- duration of exposure: 48 h
- origin of test water: underground water from the ground of Kurume Research Laboratories
Results and discussion
Effect concentrations
- Duration:
- 48 h
- Dose descriptor:
- LC50
- Effect conc.:
- 880 mg/L
- Conc. based on:
- test mat.
- Basis for effect:
- mortality (fish)
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.
