Zeolite, phosphor containing, crystalline, synthetic, non fibrous

Toxicity to other aquatic organisms

Administrative data

Endpoint:

toxicity to other aquatic vertebrates

Type of information:

migrated information: read-across from supporting substance (structural analogue or surrogate)

Adequacy of study:

other information

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

other: Basic data are given, the study meets basic scientific principles

Data source

Reference

Reference Type:

publication

Title:

Substitutes for phosphate containing washing products: their toxicity and biodegradability in the aquatic environment

Author:

Canton JH and Sloof W

Year:

1982

Bibliographic source:

Chemosphere 11, 891-907

Materials and methods

GLP compliance:

no

Test material

Test material information

Constituent 1

Reference substance name:

Automatically generated during migration to IUCLID 6, no data available

IUPAC Name:

Automatically generated during migration to IUCLID 6, no data available

Details on test material:

- Name of test material (as cited in study report): NAS-a, code synthetic zeolite type 4A*
- Specification: loss on ignition 19.6%, 35.3% Al2O3, 42.0% SiO2, 22.3% Na2O, 600 mg/kg Ca, 210 mg/kg Fe, < 10 mg/kg heavy metals
- surface modified with Ca
- Chemical name: Zeolite, cuboidal, crystalline, synthetic, non-fibrous
- Framework: cuboidal
- Related CAS No. 1318-02-1
and
- Name of test material (as cited in study report): NAS-b, code synthetic zeolite type NaA
- Specification: 28% Al2O3, 33% SiO2, 17% Na2O, 22% H20, <150 mg/kg Fe, <3 mg/kg As, < 10 mg/kg heavy metals as Pb
- surface modified with Ca
- Chemical name: Zeolite, cuboidal, crystalline, synthetic, non-fibrous
- Framework: cuboidal
- Related CAS No. 1318-02-1

*sample tested was a precursor with sharp crystal structure

Test organisms

Test organisms (species):

Xenopus laevis

Study design

Test type:

semi-static

Water media type:

freshwater

Total exposure duration:

96 h

Results and discussion

Effect concentrations

Duration:

96 h

Dose descriptor:

LC50

Effect conc.:

1 800 - 3 200 mg/L

Basis for effect:

mortality

Any other information on results incl. tables

The LC50 values were observed in the range of 1800 - 3200 mg/L. When the test solutions were corrected for pH and oxygen content, LC50 values were observed between 5600 and 10000 mg/L.