Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
skin irritation: in vivo
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: Secondary source

Data source

Reference
Reference Type:
publication
Title:
Unnamed
Year:
2010

Materials and methods

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

Test material

Constituent 1
Chemical structure
Reference substance name:
2,6-diamino-1H-pyrimidin-4-one
EC Number:
200-254-4
EC Name:
2,6-diamino-1H-pyrimidin-4-one
Cas Number:
56-06-4
Molecular formula:
C4H6N4O
IUPAC Name:
2,6-diamino-1H-pyrimidin-4-one

Test animals

Species:
rabbit
Strain:
New Zealand White

Test system

Type of coverage:
semiocclusive
Vehicle:
water
Duration of treatment / exposure:
4h
Observation period:
72h
Number of animals:
3

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
erythema score
Basis:
animal #1
Remarks:
mean
Time point:
other: 24, 48 and 72h
Score:
0.33
Max. score:
1
Reversibility:
fully reversible within: 48h
Irritation parameter:
erythema score
Basis:
animal #2
Time point:
other: 24, 48,72h
Score:
0
Max. score:
0
Irritation parameter:
erythema score
Basis:
animal #3
Time point:
other: 24, 48, 72h
Score:
0
Max. score:
0
Irritation parameter:
edema score
Basis:
other: all 3 animals
Time point:
other: 24, 48, 72h
Score:
0
Max. score:
0
Irritant / corrosive response data:
Erythema was seen in 1/3 animals at 24h, but had resolved at 48h

Applicant's summary and conclusion

Interpretation of results:
not irritating
Remarks:
Migrated information