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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

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Diss Factsheets

Toxicological information

Eye irritation

Currently viewing:

Administrative data

Endpoint:
eye irritation: in vivo
Type of information:
experimental study
Adequacy of study:
key study
Study period:
Jan/Feb 1981
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
test procedure in accordance with national standard methods with acceptable restrictions

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1981
Report date:
1981

Materials and methods

Test guidelineopen allclose all
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 405 (Acute Eye Irritation / Corrosion)
Qualifier:
according to guideline
Guideline:
other: US Federal Register 38, No. 187, § 1500.42
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
2,2'-[[4-[(2-bromo-6-chloro-4-nitrophenyl)azo]-3-chlorophenyl]imino]bisethanol
EC Number:
241-481-9
EC Name:
2,2'-[[4-[(2-bromo-6-chloro-4-nitrophenyl)azo]-3-chlorophenyl]imino]bisethanol
Cas Number:
17464-91-4
Molecular formula:
C16H15BrCl2N4O4
IUPAC Name:
2,2'-[[4-[(2-bromo-6-chloro-4-nitrophenyl)azo]-3-chlorophenyl]imino]bisethanol
Test material form:
liquid
Details on test material:
Disperse Brown 4

Test animals / tissue source

Species:
rabbit
Strain:
Vienna White
Details on test animals or tissues and environmental conditions:
TEST ANIMALS
- Source: Gaukler, 6050 Offenbach/Main
- Housing: stainless steel with wire floor, base area: 40 x 51 cm, 1 animal per cage
- Diet (e.g. ad libitum): from: Ovator Solikanin 4 mm, Muskator-Werke, 4000 Düsseldorf-1; ca.130 g per animal per day
- Water (e.g. ad libitum): VE-water (Monday to Friday); tap water (Saturday and Sunday); ca. 250 mL per animal per day
- Acclimation period: ca. 8 days

ENVIRONMENTAL CONDITIONS
- Temperature (°C): 20-26 °C
- Humidity (%): 30-70%
- Photoperiod (hrs dark / hrs light): 12/12

Test system

Vehicle:
unchanged (no vehicle)
Controls:
yes, concurrent no treatment
Amount / concentration applied:
TEST MATERIAL
- Amount(s) applied (volume or weight with unit): 0.1 mL


Duration of treatment / exposure:
single treatment
Observation period (in vivo):
14 days
Number of animals or in vitro replicates:
6
Details on study design:
REMOVAL OF TEST SUBSTANCE
- Washing (if done): no


SCORING SYSTEM: Scoring according to the Method of Draize

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
cornea opacity score
Basis:
mean
Time point:
24/48/72 h
Score:
0
Max. score:
4
Remarks on result:
no indication of irritation
Irritation parameter:
iris score
Basis:
mean
Time point:
24/48/72 h
Score:
0
Max. score:
2
Remarks on result:
no indication of irritation
Irritation parameter:
conjunctivae score
Basis:
mean
Time point:
24/48/72 h
Score:
0
Max. score:
3
Remarks on result:
no indication of irritation
Irritation parameter:
chemosis score
Basis:
mean
Time point:
24/48/72 h
Score:
0
Max. score:
4
Remarks on result:
no indication of irritation
Irritant / corrosive response data:
No signs of irritation observed

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Conclusions:
No signs of irritation were found in rabbit eyes. The substance is not classifiable according to CLP criteria.