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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Eye irritation

Currently viewing:

Administrative data

Endpoint:
eye irritation: in vivo
Type of information:
experimental study
Adequacy of study:
key study
Study period:
1986
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Guideline study non-GLP

Data source

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

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 405 (Acute Eye Irritation / Corrosion)
Qualifier:
according to guideline
Guideline:
EU Method B.5 (Acute Toxicity: Eye Irritation / Corrosion)
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Sodium 3-[(1,5-dihydroxy-2-naphthyl)azo]-4-hydroxybenzenesulphonate
EC Number:
218-145-5
EC Name:
Sodium 3-[(1,5-dihydroxy-2-naphthyl)azo]-4-hydroxybenzenesulphonate
Cas Number:
2052-25-7
Molecular formula:
C16H(12-x)N2NaxO6S x <= 1
IUPAC Name:
sodium 3-[2-(1,5-dioxonaphthalen-2-yl)hydrazinyl]-4-hydroxybenzenesulfonate
Details on test material:
Diamantschwarz PV 200%

Test animals / tissue source

Species:
rabbit
Strain:
New Zealand White
Details on test animals or tissues and environmental conditions:
TEST ANIMALS
- Source: Interfauna UK ltd
- Age at study initiation: -
- Weight at study initiation: 3.3 to 3.5 kg
- Housing: single
- Diet (ad libitum): ssniff K4, Versuchsdiäten GmbH, Soest
- Water (ad libitum): tap water
- Acclimation period: at least 14 days

ENVIRONMENTAL CONDITIONS
- Temperature (°C): 19 to 23
- Humidity (%): 45 to 65
- Air changes (per hr): ca. 10
- Photoperiod (hrs dark / hrs light): 12/12

IN-LIFE DATES: July 1986

Test system

Vehicle:
unchanged (no vehicle)
Controls:
yes, concurrent no treatment
Amount / concentration applied:
100 µL
Duration of treatment / exposure:
24 hours
Observation period (in vivo):
14 days
Number of animals or in vitro replicates:
3
Details on study design:
REMOVAL OF TEST SUBSTANCE
- Washing (if done): NaCl-solution
- Time after start of exposure: 24 hours

SCORING SYSTEM: Draize

TOOL USED TO ASSESS SCORE: hand-slit lamp + fluorescein + UV-light

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
cornea opacity score
Basis:
animal: 1,2,3
Time point:
other: all
Score:
0
Max. score:
4
Irritation parameter:
iris score
Basis:
animal: 1,2,3
Time point:
other: all
Score:
0
Max. score:
2
Irritation parameter:
conjunctivae score
Remarks:
reddening
Basis:
animal #1
Time point:
other: 24-72 h
Score:
2.7
Max. score:
3
Reversibility:
fully reversible
Irritation parameter:
conjunctivae score
Remarks:
reddening
Basis:
animal: #2 and #3
Time point:
other: 24-72 h
Score:
1.3
Max. score:
3
Reversibility:
fully reversible
Irritation parameter:
chemosis score
Basis:
animal #1
Time point:
other: 24-72 h
Score:
1.7
Max. score:
4
Reversibility:
fully reversible
Irritation parameter:
chemosis score
Basis:
animal: #2 and #3
Time point:
other: 24-72 h
Score:
0.3
Max. score:
4
Reversibility:
fully reversible
Irritant / corrosive response data:
No effects were seen on day 14. Therefore, no evaluation was done on day 21

Applicant's summary and conclusion

Interpretation of results:
not irritating
Remarks:
Migrated information Criteria used for interpretation of results: EU
Conclusions:
Slightly irritating according to study report.
Not irritating according to Regulation (EC) No 1272/2008