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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
other: read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: read across substance, almost no information about test substance, enviromental conditions and animals

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1972
Report date:
1972

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
other: see below
Principles of method if other than guideline:
"Appraisal of the Safety of Chemicals in Foods, Drugs and Cosmetics" (1959) of the AFDO.
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Calcium bis[4-[[1-[[(2-methylphenyl)amino]carbonyl]-2-oxopropyl]azo]-3-nitrobenzenesulphonate]
EC Number:
235-558-6
EC Name:
Calcium bis[4-[[1-[[(2-methylphenyl)amino]carbonyl]-2-oxopropyl]azo]-3-nitrobenzenesulphonate]
Cas Number:
12286-66-7
Molecular formula:
C17H16N4O7S.1/2Ca
IUPAC Name:
calcium bis[4-({1-[(2-methylphenyl)carbamoyl]-2-oxopropyl}diazenyl)-3-nitrobenzenesulfonate]
Test material form:
solid: particulate/powder

Test animals / tissue source

Species:
rabbit
Strain:
other: English Silver strain
Details on test animals or tissues and environmental conditions:
TEST ANIMALS
- Source: /
- Age at study initiation: /
- Weight at study initiation: /
- Housing: singly
- Diet (e.g. ad libitum): ad libitum
- Water (e.g. ad libitum): ad libitum
- Acclimation period: /

ENVIRONMENTAL CONDITIONS
- Temperature (°C): /
- Humidity (%): /
- Air changes (per hr): /
- Photoperiod (hrs dark / hrs light): /

IN-LIFE DATES: From: To: /

Test system

Vehicle:
unchanged (no vehicle)
Controls:
not required
Amount / concentration applied:
TEST MATERIAL
- Amount(s) applied (volume or weight with unit): 0.1 g

Duration of treatment / exposure:
30 sec until washing, 7 days without washing (observation period)
Observation period (in vivo):
7d
Number of animals or in vitro replicates:
3 per sex
Details on study design:
REMOVAL OF TEST SUBSTANCE
- Washing (if done): 10 ml warm water
- Time after start of exposure: after 30 sec

SCORING SYSTEM: "Appraisal of the Safety of Chemicals in Foods, Drugs and Cosmetics" (1959) of the AFDO.

TOOL USED TO ASSESS SCORE: hand-slit lamp

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:
80
Reversibility:
fully reversible
Irritation parameter:
iris score
Basis:
mean
Time point:
24/48/72 h
Score:
0
Max. score:
10
Reversibility:
fully reversible
Irritation parameter:
conjunctivae score
Basis:
mean
Time point:
24/48/72 h
Score:
0
Max. score:
20
Reversibility:
fully reversible

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Conclusions:
The test item is to be considered as non irritant to the
eye of rabbits