Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: No guideline study, insufficient documentation on physicochemistry or applied test method. No statistics were reported

Data source

Reference
Reference Type:
publication
Title:
Unnamed
Year:
1978

Materials and methods

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

Test material

Constituent 1
Chemical structure
Reference substance name:
barium(2+) dichloride dihydrate
EC Number:
600-412-6
Cas Number:
10326-27-9
Molecular formula:
BaCl2.2(H2O)
IUPAC Name:
barium(2+) dichloride dihydrate
Test material form:
solid: crystalline
Details on test material:
Test substance: Barium chloride dihydrate
Molecular weight: 208.23 g/mol
Supplier: American Chemical Society
Purity: reagent-grade

Sampling and analysis

Analytical monitoring:
not specified

Test solutions

Vehicle:
no

Test organisms

Test organisms (species):
other: Spongilla lacustris
Details on test organisms:
gemmules form branches of the freshwater sponge; gemmules were dissected, washed at 4°C and incubated at 15°C

Study design

Test type:
not specified
Water media type:
freshwater
Limit test:
no
Total exposure duration:
72 h

Test conditions

Test temperature:
15 ± 1°C
Nominal and measured concentrations:
2 test concentrations: 0.1 and 1 mM
Details on test conditions:
distilled and purified freshwater
Reference substance (positive control):
not specified

Results and discussion

Effect concentrationsopen allclose all
Duration:
72 h
Dose descriptor:
LOEC
Effect conc.:
< 137 327 µg/L
Nominal / measured:
nominal
Conc. based on:
element
Remarks:
fraction total assumed
Basis for effect:
other: germination
Remarks on result:
other: nr
Duration:
72 h
Dose descriptor:
NOEC
Effect conc.:
13 733 µg/L
Nominal / measured:
nominal
Conc. based on:
element
Remarks:
fraction total assumed
Basis for effect:
other: hatching
Remarks on result:
other: nr
Duration:
72 h
Dose descriptor:
LOEC
Effect conc.:
137 327 µg/L
Nominal / measured:
nominal
Conc. based on:
element
Remarks:
fraction total assumed
Basis for effect:
other: hatching
Remarks on result:
other: nr
Reported statistics and error estimates:
not reported

Applicant's summary and conclusion

Validity criteria fulfilled:
not specified
Conclusions:
This study followed no guidelines. It contains insufficient documentation on physico-chemical parameters and test methods. the results contain no statistics.