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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.

Diss Factsheets

Administrative data

Endpoint:
short-term toxicity to fish
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: Prediction model
Title:
Short term toxicity to fish by ECOSAR Version 1.10
Author:
ECOSAR Version 1.10
Year:
2016
Bibliographic source:
ECOSAR v1.1 Class-specific Estimations, Environmental Protection Agency (EPA) office of Chemical Safety and Pollution Prevention

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: Modeling database
Principles of method if other than guideline:
ECOSAR v1.00
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Sodium naphthalene-2-sulphonate
EC Number:
208-523-8
EC Name:
Sodium naphthalene-2-sulphonate
Cas Number:
532-02-5
Molecular formula:
C10H8O3S.Na
IUPAC Name:
sodium naphthalene-2-sulphonate
Details on test material:
- Name of test material (as cited in study report): Sodium naphthalene-2-sulphonate
- Substance type: Organic

Sampling and analysis

Analytical monitoring:
no

Test solutions

Vehicle:
no

Test organisms

Test organisms (species):
other: Fish

Study design

Test type:
static
Water media type:
freshwater
Total exposure duration:
96 h

Results and discussion

Effect concentrations
Duration:
96 h
Dose descriptor:
LC50
Effect conc.:
105 000 mg/L
Nominal / measured:
estimated
Conc. based on:
test mat.
Basis for effect:
mortality (fish)
Remarks on result:
other: Chemical may not be soluble enough

Applicant's summary and conclusion

Conclusions:
Based on the QSAR prediction done using the EPI Suite ECOSAR version 1.10, the 96 hours LC50 was estimated to be 105000 mg/L on fish for substance Sodium naphthalene-2-sulphonate with mortality effects. Thus based on this value it can be concluded that the substance can be classified as non hazardous as per the criteria of CLP regulation.
Executive summary:

Based on the QSAR prediction done using the EPI Suite ECOSAR version 1.10, the 96 hours LC50 was estimated to be 105000 mg/L on fish for substance Sodium naphthalene-2-sulphonate with mortality effects. Thus based on this value it can be concluded that the substance can be classified as non hazardous as per the criteria of CLP regulation.