Copper(II) carbonate-copper(II) hydroxide (1:1)

Toxicity to terrestrial arthropods

Administrative data

Endpoint:

toxicity to terrestrial arthropods: long-term

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: Acceptable well documented study. No analytical dose verification. Sublethal effect on reproduction was measured in a standardized soil. Standard test organism.

Data source

Reference

Reference Type:

publication

Title:

Sublethal toxicity of copper to a soil-dwelling springtail (Folsomia fimetaria) (Collembola: Isotomidae)

Author:

Scott-Fordsmand JJ et al.

Year:

1997

Bibliographic source:

Environ Toxicol Chemist 16(12): 2538-2542

Materials and methods

Principles of method if other than guideline:

21 days, standardized soil

GLP compliance:

no

Application method:

soil

Test material

Test material information

Constituent 1

Reference substance name:

Copper dichloride, hydrate

IUPAC Name:

Copper dichloride, hydrate

Details on test material:

- Name of test material (as cited in study report): CuCl2*H2O (it is likely that the dihydrate CAS: 10125-13-0, was tested)
- Analytical purity: p.a.

Sampling and analysis

Analytical monitoring:

no

Test substrate

Vehicle:

no

Test organisms

Test organisms (species):

Folsomia sp.

Animal group:

Collembola (soil-dwelling springtail)

Details on test organisms:

TEST ORGANISM/ ACCLIMATION
- Common name: Springtail
- Laboratory culture, established from field-collected animals and maintained in petri dishes on a substrate of moistened plaster of paris and charcoal. They were fed dried yeast ad libitum, and every 2 to 4 weeks the adult animals were transferred to new containers with fresh food. Prior to the experiment a synchronized culture was produced by collecting eggs (approx. 7 d old) from these stock cultures, which were allowed to hatch over a 3-d period. Animals hatched during this time were subsequently used for the following experiments.

Study design

Study type:

laboratory study

Limit test:

no

Total exposure duration:

21 d

Test conditions

Test temperature:

20°C

pH (if soil or dung study):

5.5-6.0

Photoperiod and lighting:

12:12

Reference substance (positive control):

no

Results and discussion

Effect concentrations

Effect concentrations 1

Duration:

21 d

Dose descriptor:

EC10

Effect conc.:

38 mg/kg soil dw

Nominal / measured:

nominal

Conc. based on:

element

Remarks:

Cu

Basis for effect:

reproduction

Effect concentrations 2

Duration:

21 d

Dose descriptor:

EC10

Effect conc.:

66.1 mg/kg soil dw

Nominal / measured:

nominal

Conc. based on:

test mat.

Remarks:

CH2Cu2O5

Basis for effect:

reproduction