Registration Dossier

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: Guideline study. However, test material purity was not listed.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1993
Report Date:
1993

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
OECD Guideline 404 (Acute Dermal Irritation / Corrosion)
Deviations:
no
GLP compliance:
yes (incl. certificate)

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
- Name of test material (as cited in study report): 2,2'-Diaminostilbene-4,4'-disulfonsäure
- Substance type: organic
- Physical state: powder
- Analytical purity: no data
- Impurities (identity and concentrations): no data
- Composition of test material, percentage of components: no data
- Purity test date: no data
- Lot/batch No.: P 2081 VM
- Expiration date of the lot/batch: no data
- Stability under test conditions: no data
- Storage condition of test material: room temperature

Test animals

Species:
rabbit
Strain:
other: Albino HC:NZW
Details on test animals and environmental conditions:
TEST ANIMALS
- Source: Interfauna UK Ltd., Wyton Huntington; England
- Age at study initiation: no data
- Weight at study initiation: 3.4 - 4kg
- Housing: individually in stainless steel cages
- Diet (e.g. ad libitum): stamdard, once per day 100-120g in the morning
- Water (e.g. ad libitum): ad libitum
- Acclimation period: 14 days


ENVIRONMENTAL CONDITIONS
- Temperature (°C): 21 +/- 1.5 °C
- Humidity (%): 40-70%
- Air changes (per hr): 12-15 times per hour
- Photoperiod (hrs dark / hrs light): 12 hrs dark / 12 hrs light


Test system

Type of coverage:
semiocclusive
Preparation of test site:
shaved
Vehicle:
water
Controls:
not required
Amount / concentration applied:
TEST MATERIAL
- Amount(s) applied (volume or weight with unit): 500 mg test substance moistioned with water


VEHICLE
- Amount(s) applied (volume or weight with unit): no data
Duration of treatment / exposure:
4 hours
Observation period:
7 days
Number of animals:
3
Details on study design:
TEST SITE
- Area of exposure: dorso-lateral area of the trunk
- % coverage: 6*6 cm


REMOVAL OF TEST SUBSTANCE
- Washing (if done): yes
- Time after start of exposure: 4 hours


SCORING SYSTEM: Draize

Results and discussion

In vivo

Results
Irritation parameter:
overall irritation score
Basis:
mean
Time point:
other: 1 hr after washing
Score:
0
Max. score:
0
Reversibility:
fully reversible within: 7 days

Applicant's summary and conclusion

Interpretation of results:
not irritating
Remarks:
Migrated information Criteria used for interpretation of results: EU
Conclusions:
The substance is considered not irritant to skin.