Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
sediment toxicity: short-term
Type of information:
experimental study
Adequacy of study:
supporting study
Study period:
Data Reported: 2 July 1984
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
documentation insufficient for assessment

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1984
Report date:
1984

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: Internal Company Protocol EN-001: Acute Aquatic Effects (LC50) Test
Version / remarks:
Although completed prior to publication, test is believed to have been perform as described in: Ewell, WS, Gorsuch, JW, Kringle, RO, Robillard, KA, Spiegel, RC (1986). Simultaneous evaluation of the acute effects of chemicals on seven aquatic species. Environ. Toxicol. Chem. 5:831-840.
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Lithium dihydrogen 5-sulphonatoisophthalate
EC Number:
256-275-4
EC Name:
Lithium dihydrogen 5-sulphonatoisophthalate
Cas Number:
46728-75-0
Molecular formula:
C8H6O7S.Li
IUPAC Name:
lithium dihydrogen 5-sulphonatoisophthalate
Test material form:
solid: particulate/powder
Details on test material:
- Moisture content: 6.5%
- Colour: Off-white

Sampling and analysis

Analytical monitoring:
no

Test substrate

Vehicle:
yes
Remarks:
Dilution water

Test organisms

Test organisms (species):
Lumbriculus variegatus
Details on test organisms:
TEST ORGANISM
- Common name: Segmented worm

ACCLIMATION
- Acclimation period: 24 hours
- Acclimation conditions (same as test or not): same as test
- Type and amount of food: none
- Feeding frequency: none

Study design

Study type:
laboratory study
Test type:
static
Water media type:
freshwater
Type of sediment:
not specified
Limit test:
no
Exposure duration
Duration:
96 h
Exposure phase:
total exposure duration

Test conditions

Nominal and measured concentrations:
0, 1, 10, and 100 mg/L
Reference substance (positive control):
no

Results and discussion

Effect concentrations
Key result
Duration:
96 h
Dose descriptor:
LC50
Effect conc.:
> 100 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
mortality

Applicant's summary and conclusion

Validity criteria fulfilled:
not specified
Conclusions:
The test substance was found to have an LC50 for Lumbriculus variegatus (segmented worm) of >100 mg/L.
Executive summary:

In a non-GLP non-guideline study with Lumbriculus variegatus (segmented worm), the test substance was found to have a 96 -hour LC50 of >100 mg/L.