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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Toxicological information

Skin irritation / corrosion

Currently viewing:

Administrative data

Endpoint:
skin irritation: in vivo
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2017

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 404 (Acute Dermal Irritation / Corrosion)
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
Copper cyanide
EC Number:
208-883-6
EC Name:
Copper cyanide
Cas Number:
544-92-3
Molecular formula:
CCuN
IUPAC Name:
λ¹-copper(1+) iminomethanide

Test animals

Species:
rabbit
Strain:
New Zealand White

Test system

Type of coverage:
not specified
Preparation of test site:
shaved
Vehicle:
unchanged (no vehicle)
Controls:
yes, concurrent no treatment
Amount / concentration applied:
0.5 g
Duration of treatment / exposure:
Initial test: Apply 3 times, Maintains each 3 minutes, 1 hours, 4 hours.
Confirmatory test: Apply once and hold for 4 hours.
Observation period:
3 days
Number of animals:
1 (Initial test), 2 (Confirmatory test)

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
erythema score
Basis:
mean
Time point:
24/48/72 h
Score:
0
Irritation parameter:
edema score
Basis:
mean
Time point:
24/48/72 h
Score:
0
Irritant / corrosive response data:
No erythema & eschar formation and edema were observed all animals(control site and test site). In the criteria for grading of skin reactions, evaluation score of control site and test site was 0, respectively.
Other effects:
Results were as follows;
1) There were no dead animals during the study.
2) There were no clinical signs related with treatment.
3) No test substance-related body weight changes were detected.

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Conclusions:
Under the conditions of this study, dermal irritation / corrosion of the test substance Copper cyanide(Copper(I) cyanide) in New Zealand White Rabbits was verified non-irritation / non-corrosion substance.