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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
eye irritation: in vitro / ex vivo
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2011

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: Chorioallantoic Membrane Assay
Principles of method if other than guideline:
available in study report
GLP compliance:
yes (incl. QA statement)

Test material

Constituent 1
Chemical structure
Reference substance name:
3,4-diaminobenzenesulphonic acid
EC Number:
231-274-1
EC Name:
3,4-diaminobenzenesulphonic acid
Cas Number:
7474-78-4
Molecular formula:
C6H8N2O3S
IUPAC Name:
3,4-diaminobenzene-1-sulfonic acid
Details on test material:
- Name of test material (as cited in study report): Orthaminsäure
- Physical state: solid
- Analytical purity: 99.1%
- Impurities (identity and concentrations): see 1.4
- Composition of test material, percentage of components: see 1.4
- Purity test date: 15.09.2011
- Lot/batch No.: N-18326
- Expiration date of the lot/batch: 15.09.2013

Test animals / tissue source

Species:
other: Chicken Eggs
Strain:
other: White Leghorn

Test system

Vehicle:
unchanged (no vehicle)
Controls:
yes, concurrent positive control
yes, concurrent negative control

Results and discussion

In vitro

Results
Irritation parameter:
in vitro irritation score
Run / experiment:
1 - 6
Value:
0
Vehicle controls validity:
not applicable
Negative controls validity:
valid
Positive controls validity:
valid

Applicant's summary and conclusion

Interpretation of results:
not irritating
Conclusions:
According to the evaluation criteria the test item is classified as non irritating to mucous membranes. Under the conditions of the present study, it can be stated that no irritation can be expected if the test item comes in contact with eyes.