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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Ecotoxicological information

Short-term toxicity to fish

Currently viewing:

Administrative data

Endpoint:
short-term toxicity to fish
Type of information:
migrated information: read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
key study
Study period:
1979
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Static test, study reliability=2, according to Aquire Database

Data source

Reference
Reference Type:
publication
Title:
Unnamed
Year:
2000

Materials and methods

Test guideline
Qualifier:
no guideline available
Guideline:
other: no data
Deviations:
not specified
Principles of method if other than guideline:
(Principle of method): According to Aquire Database, temperature 10°C, alkalinity 75 mg CaCO3/l, pH 7,8 , DO (Dissolved O2)
75% (sat), concentration as SO4, lifestage: 8cm
GLP compliance:
not specified

Test material

Constituent 1
Reference substance name:
Potassium sulfate
EC Number:
231-915-5
EC Name:
Potassium sulfate
Cas Number:
7778-80-5
Molecular formula:
H2O4S.2K
Test material form:
solid: crystalline
Details on test material:
Potassium sulphate, containing in the dry state more than 52 per cent by weight of K2O.
Molecular formula: H2O4S.2K
Molecular weight: 174,26
Specific details on test material used for the study:
Details on properties of test surrogate or analogue material (migrated information):
PHYSICO-CHEMICAL PROPERTIES
- Melting point: 1069°C
- Boiling point: 1689 °C
- Vapour pressure: not applicable
- Water solubility (under test conditions): 11,1 vol% at 20°C
- log Pow: not applicable
- Stability in water: the product is stable in water
- Stability in light: the product is not photodegradable
- pH dependance on stability: 5,5-7,5 at 50g/l and 20°C

OTHER PROPERTIES (if relevant for this endpoint)
- Results of test for ready biodegradability: not applicable

Sampling and analysis

Analytical monitoring:
not specified

Test solutions

Vehicle:
not specified

Test organisms

Test organisms (species):
Alburnus alburnus
Details on test organisms:
Fish, estuary

Study design

Test type:
static
Water media type:
not specified
Total exposure duration:
96 h

Test conditions

Hardness:
75 mg CaCO3/l
Test temperature:
10°C
pH:
7.8
Dissolved oxygen:
75%
Salinity:
no data
Nominal and measured concentrations:
no data
Reference substance (positive control):
not specified

Results and discussion

Effect concentrations
Duration:
96 h
Dose descriptor:
LC50
Effect conc.:
ca. 1 692 444 µg/L
Nominal / measured:
not specified
Conc. based on:
test mat.
Details on results:
no data
Results with reference substance (positive control):
no data
Reported statistics and error estimates:
no data

Any other information on results incl. tables

Sublethal observations / clinical signs:
The approach using read-across , it was possible according
to the chemical structure of chrome alum which is 
a chromium and potassium double sulphate.

Applicant's summary and conclusion

Validity criteria fulfilled:
not specified
Conclusions:
LC50 (96h) (Fish, estuary)= 1692,444 mg/l