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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Skin irritation / corrosion

Currently viewing:

Administrative data

Endpoint:
skin irritation: in vivo
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: OECD-Guideline Study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1987

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 404 (Acute Dermal Irritation / Corrosion)
Deviations:
not specified
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Benzotriazole
EC Number:
202-394-1
EC Name:
Benzotriazole
Cas Number:
95-14-7
Molecular formula:
C6H5N3
IUPAC Name:
benzotriazole
Test material form:
other: granules
Details on test material:
- Name of test material (as cited in study report): Benzotriazol
- Synonyms: Preventol CI8; Preventol CI8-100
- Substance type: pale yellow granules
- Physical state: solid
- Lot/batch No.: 909

Test animals

Species:
rabbit
Strain:
other: HC:NZW
Details on test animals or test system and environmental conditions:
TEST ANIMALS
- Source:Interfauna UK Ltd

- Weight at study initiation: 3.0 - 3.7 kg
- Housing: standard single animal cages
- Diet: ssniff K 4 ad libitum
- Water: ad libitum
- Acclimation period: two weeks

ENVIRONMENTAL CONDITIONS
- Temperature (°C): 21 +- 2 °C
- Humidity (%): 45 - 65%
- Air changes (per hr): 10
- Photoperiod (hrs dark / hrs light): 12

Test system

Type of coverage:
semiocclusive
Preparation of test site:
shaved
Vehicle:
water
Controls:
no
Amount / concentration applied:
500 mg of substance
Duration of treatment / exposure:
4 h
Observation period:
1, 24, 48, 72 hours, 7 and 14 days
Number of animals:
3
Details on study design:
according to guideline
TEST SITE
- Area of exposure: 6 cm2
- Type of wrap if used: elastic gluing dressing

REMOVAL OF TEST SUBSTANCE
- Washing (if done): with water
- Time after start of exposure: 4h

SCORING SYSTEM: Draize

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
erythema score
Basis:
mean
Time point:
24/48/72 h
Score:
0
Max. score:
4
Reversibility:
fully reversible
Irritation parameter:
edema score
Basis:
mean
Time point:
24/48/72 h
Score:
0
Max. score:
4
Reversibility:
fully reversible
Irritant / corrosive response data:
not irritating

Applicant's summary and conclusion

Interpretation of results:
not classified
Remarks:
Migrated information Criteria used for interpretation of results: EU
Conclusions:
Benzotriazole is not classified as irritating to the skin of rabbits.