Nickel dihydroxide

Short-term toxicity to aquatic invertebrates

Administrative data

Endpoint:

short-term toxicity to aquatic invertebrates

Type of information:

migrated information: read-across based on grouping of substances (category approach)

Adequacy of study:

other information

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

other: Well documented and acceptable publication

Data source

Reference

Reference Type:

publication

Title:

pH-DEPENDENT TOXICITY OF Cd, Cu, Ni, Pb AND Zn 10 CERIODAPHNIA DUBIA, PIMEPHALES PROMELAS, HYALELLA AZTECA AND LUMBRJCULUS VARIEGATUS

Author:

Schubauer-Berigan et al.

Year:

1993

Bibliographic source:

Envrionmental Toxicology and Chemistry. Vol. 12, Ptp. 1261-1266

Materials and methods

Test guideline

Qualifier:

no guideline followed

GLP compliance:

no

Test material

Test material information

Constituent 1

Reference substance name:

Nickel dichloride

EC Number:

231-743-0

EC Name:

Nickel dichloride

Cas Number:

7718-54-9

IUPAC Name:

nickel(2+) dichloride

Details on test material:

- Name of test material (as cited in study report): Nickelchloride

Test organisms

Test organisms (species):

Ceriodaphnia dubia

Details on test organisms:

TEST ORGANISM
- Common name: Water flea
- Source: Test organisms were cultured at the U.S. EPA laboratorys in Duluth, Minnesota
- Age at study initiation (mean and range, SD): < 48 h
- Feeding during test
- Food type: 100 µg of a yeast-Cerophyl (Agri-Tech, Kansas City,MO)-fermented Purina Brand (St. .Louis, MO)

Study design

Test type:

static

Water media type:

freshwater

Limit test:

no

Total exposure duration:

48 h

Test conditions

Hardness:

300 mg/L Ca CO3

Test temperature:

25 °C

pH:

three pH values:
6.3, 7.3, 8.3

Dissolved oxygen:

never below 5 mg/L (60 % saturation)

Details on test conditions:

TEST SYSTEM
- No. of organisms per vessel: 5
- No. of vessels per concentration (replicates): 2-3
- No. of vessels per control (replicates): 2-3


TEST MEDIUM / WATER PARAMETERS
- Source/preparation of dilution water: reconstituted hard water
- Alkalinity: 225-245 mg/L CaCo3



OTHER TEST CONDITIONS
- Photoperiod: 16:8 light:dark cycle
- Adjustment of pH: yes, with HCL


EFFECT PARAMETERS MEASURED (with observation intervals if applicable) :

Results and discussion

Effect concentrations

Effect concentrations 1

Duration:

48 h

Dose descriptor:

LC50

Effect conc.:

> 0.2 mg/L

Nominal / measured:

meas. (not specified)

Conc. based on:

element

Remarks:

Nickel

Basis for effect:

mortality

Remarks on result:

other: pH: 6.0-6.5

Effect concentrations 2

Duration:

48 h

Dose descriptor:

LC50

Effect conc.:

0.14 mg/L

Nominal / measured:

meas. (not specified)

Conc. based on:

element

Remarks:

Nickel

Basis for effect:

mortality

Remarks on result:

other: pH: 7.0-7.5

Effect concentrations 3

Duration:

48 h

Dose descriptor:

LC50

Effect conc.:

0.013 mg/L

Nominal / measured:

meas. (not specified)

Conc. based on:

element

Remarks:

Nickel

Basis for effect:

mortality

Remarks on result:

other: pH: 8.0-8.5

Effect concentrations 4

Duration:

48 h

Dose descriptor:

LC50

Effect conc.:

> 0.3 mg/L

Conc. based on:

other: Nickeldihydroxide

Basis for effect:

mortality

Remarks on result:

other: pH: 6.0-6.5. Result calculated for Nickeldihydroxide

Effect concentrations 5

Duration:

48 h

Dose descriptor:

LC50

Effect conc.:

0.22 mg/L

Conc. based on:

other: Nickeldihydroxide

Basis for effect:

mortality

Remarks on result:

other: pH: 7.0-7.5. Result calculated for Nickeldihydroxide

Effect concentrations 6

Duration:

48 h

Dose descriptor:

LC50

Effect conc.:

0.02 mg/L

Conc. based on:

other: Nickeldihydroxide

Basis for effect:

mortality

Remarks on result:

other: pH: 8.0-8.5. Result calculated for Nickeldihydroxide