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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
toxicity to other aquatic vertebrates
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
3 (not reliable)
Rationale for reliability incl. deficiencies:
other: The paper itself provides little information on test methodology, measured Sr-levels are not reported, and the derived end parameters are not useful for risk assessment purposes.

Data source

Reference
Reference Type:
publication
Title:
Aquatic toxicology of trace elements of coal and fly ash
Author:
Birge WJ
Year:
1978
Bibliographic source:
In: Thorpe JH, Gibbons JW (Eds.), Energy and Environmental Stress in aquatic Systems. Department of Energy Symposium Series CONT 771114

Materials and methods

Test guideline
Qualifier:
no guideline available
GLP compliance:
not specified

Test material

Constituent 1
Reference substance name:
strontium dichloride, hexahydrate
IUPAC Name:
strontium dichloride, hexahydrate
Constituent 2
Chemical structure
Reference substance name:
Strontium chloride hexahydrate
EC Number:
600-046-7
Cas Number:
10025-70-4
Molecular formula:
Cl2-Sr.6H2-O
IUPAC Name:
Strontium chloride hexahydrate
Test material form:
not specified

Sampling and analysis

Analytical monitoring:
yes

Test solutions

Vehicle:
not specified

Test organisms

Test organisms (species):
Gastrophryne carolinensis
Details on test organisms:
fertilised eggs

Study design

Test type:
semi-static
Water media type:
freshwater
Limit test:
no
Total exposure duration:
7 d

Test conditions

Hardness:
195 +/- 5.4 mg/L as CaCO3
Test temperature:
22.0 +/-1 degrees Celsius
pH:
7.4 +/- 1.0
Dissolved oxygen:
near saturation
Nominal and measured concentrations:
not reported; 10-14 concentrations were tested
Details on test conditions:
Exposure periods started upon fertilisation of the eggs and ended at 4 days post-hatching, indicating that test results should be considered as chronic tests
No further details are provided

Results and discussion

Effect concentrationsopen allclose all
Duration:
7 d
Dose descriptor:
LC50
Effect conc.:
160 µg/L
Nominal / measured:
meas. (not specified)
Conc. based on:
element
Basis for effect:
other: mortality and teratogenity
Remarks on result:
other: 120-210
Duration:
7 d
Dose descriptor:
other: LC1
Effect conc.:
2.4 µg/L
Nominal / measured:
meas. (not specified)
Conc. based on:
element
Basis for effect:
other: mortality and teratogenity
Remarks on result:
other: 1.0-4.6
Details on results:
Sr-levels were measured indicating that reported effect levels are based on measured values or are based on nominal values that were relevant for the actual metal concentration.
Reported statistics and error estimates:
log-probit analysis - method of Daum (1969)

Applicant's summary and conclusion

Validity criteria fulfilled:
not specified
Conclusions:
The paper itself provides little information on test methodology, measured Sr-levels are not reported, and the derived end parameters are not useful for risk assessment purposes.