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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: No GLP defined.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1986

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 404 (Acute Dermal Irritation / Corrosion)
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
1,5-naphthylenediamine
EC Number:
218-817-8
EC Name:
1,5-naphthylenediamine
Cas Number:
2243-62-1
Molecular formula:
C10H10N2
IUPAC Name:
1,5-naphthylenediamine
Details on test material:
IUCLID4 Test substance: other TS: purity 98.9 %

Test animals

Species:
rabbit
Strain:
New Zealand White

Test system

Type of coverage:
semiocclusive
Preparation of test site:
abraded
Vehicle:
unchanged (no vehicle)
Controls:
other: experimental animals were also used as controls (the contralateral side was treated only with water
Amount / concentration applied:
500 mg
Duration of treatment / exposure:
4 h
Observation period:
14 d
Number of animals:
3 animals

Results and discussion

In vivo

Results
Irritation parameter:
other: erythema and edema score (DRAIZE grade)
Basis:
mean
Time point:
other: 1,24,48,72h and 7, 14 d
Score:
0
Max. score:
4
Reversibility:
fully reversible
Remarks on result:
other: no reddening or swelling observed. DRAIZE grade: 0

Any other information on results incl. tables

Skin Irritation/corrosion rabbit: expos.: 4h :

 Animal No: b.w.  Sex                                  DRAIZE-grade after           Irritation factors 
          1 h     24 h     48 h     72 h     7 d     14 d          
       E  Ö  E  Ö  E  Ö  E  Ö  E  Ö  E Ö      E     Ö
 D79  3,2 kg  female  0  0  0  0  0  0  0  0  0  -  -     0,0     0,0
 D80  3,7 kg  female  0  0  0  0  0  0  0  0  0  0  -  -     0,0     0,0
 E92  3,2 kg  female  0  0  0  0  0  0  0  0  0  0  -  -     0,0    0,0 

E = erythema

Ö = edema

- = not tested

Applicant's summary and conclusion

Executive summary:

The test substance was tested in a semiocclusive application of 500 mg/kg bw. in rabbits.

The exposure time was 4 h and the observation period 14 d.

No reddening or swelling of the tested skin region was observed. DRAIZE grade: 0

The test substance was not irritating or corrosive to the skin.