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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Administrative data

Endpoint:
short-term toxicity to aquatic invertebrates
Type of information:
migrated information: read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
weight of evidence
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1993

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EPA OPP 72-2 (Aquatic Invertebrate Acute Toxicity Test)
GLP compliance:
yes

Test material

Constituent 1
Reference substance name:
sodium bicarbonate
IUPAC Name:
sodium bicarbonate
Details on test material:
99.9% pure

Sampling and analysis

Analytical monitoring:
yes

Test solutions

Vehicle:
not specified

Test organisms

Test organisms (species):
Daphnia magna

Study design

Test type:
flow-through
Water media type:
freshwater
Limit test:
no
Total exposure duration:
48 h

Results and discussion

Effect concentrationsopen allclose all
Duration:
48 h
Dose descriptor:
NOEC
Effect conc.:
3 100 mg/L
Nominal / measured:
meas. (not specified)
Basis for effect:
mobility
Duration:
48 h
Dose descriptor:
EC50
Effect conc.:
4 100 mg/L
Nominal / measured:
meas. (not specified)
Basis for effect:
mobility

Any other information on results incl. tables

RESULTS: EXPOSED

- Nominal/measured concentrations:

- Nominal/ measured concentrations in mg A.I./ L

Nominal: 780 Mean Measured (SD):630 (57)

Nominal: 1300 Mean Measured (SD):1100 (81)

Nominal: 2200 Mean Measured (SD):1800 (190)

Nominal: 3600 Mean Measured (SD):3100 (280)

Nominal: 6000 Mean Measured (SD):5400 (400)

- Concentration / response curve:

Mean percentage mortality (of vessel A and B) after 96 hours:

Control: 5 %

630 mg A.I./L: 0 %

1100 mg A.I./L: 0 %

1800 mg A.I./L: 5 %

3100 mg A.I./L: 0 %

5400 mg A.I./L: 100 %

- Effect concentration vs. test substance solubility: Not reported

- Other effects: Not reported

RESULTS CONTROL: No effects

RESULTS: TEST WITH REFERENCE SUBSTANCE

Not reported

Applicant's summary and conclusion