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Toxicological information

Skin irritation / corrosion

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Administrative data

Endpoint:
skin irritation: in vivo
Type of information:
experimental study
Adequacy of study:
key study
Study period:
06.02.1978 - 16.03.1978
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Guideline study without GLP

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1978
Report date:
1978

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: FDA guideline (federal register Vol. 38, No. 187, p. 27019, 1973)
Principles of method if other than guideline:
Patch-Test, okklusiv
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
2-[(p-aminophenyl)sulphonyl]ethyl hydrogensulphate
EC Number:
219-669-7
EC Name:
2-[(p-aminophenyl)sulphonyl]ethyl hydrogensulphate
Cas Number:
2494-89-5
Molecular formula:
C8H11NO6S2
IUPAC Name:
[2-(4-aminobenzenesulfonyl)ethoxy]sulfonic acid
Details on test material:
IUCLID5 Test substance: as prescribed by 1.1 - 1.4

Test animals

Species:
rabbit
Strain:
Himalayan
Details on test animals or test system and environmental conditions:
TEST ANIMALS
- Source: Hoechst AG (HIMK (SPFWiga))
- Age at study initiation: months
- Weight at study initiation: 1.5 - 2.0 kg
- Housing: single
- Diet (ad libitum): Mischfutter ERKA 8300
- Water (ad libitum): tap water from automated supply
- Acclimation period: NA

Test system

Type of coverage:
semiocclusive
Preparation of test site:
shaved
Vehicle:
unchanged (no vehicle)
Controls:
other: comparison to untreated skin
Amount / concentration applied:
500 mg pasted with 0.25 ml of 0.9 % NaCl-solution
Duration of treatment / exposure:
24 hours
Observation period:
72 hours
Number of animals:
6
Details on study design:
TEST SITE
- Area of exposure: 2.5x2.5 cm²
- Type of wrap if used: occlusive bandage

REMOVAL OF TEST SUBSTANCE
- Washing (if done): water
- Time after start of exposure: 24 h

EVALUATION TIME:
immediatetly, 24, 48 hours after removal of bandage

SCORING SYSTEM: according to test guideline

Results and discussion

In vivo

Results
Irritation parameter:
overall irritation score
Basis:
mean
Time point:
other: 24 and 72 hours
Score:
0.3
Max. score:
8
Reversibility:
fully reversible

Applicant's summary and conclusion

Interpretation of results:
not irritating
Remarks:
Migrated information Criteria used for interpretation of results: US CPSC / US FDA
Conclusions:
Classification: not irritating
Executive summary:

Testing of para - Base - Ester for skin irritation in rabbits according to FDA guideline (federal register Vol. 38, No. 187, p. 27019, 1973) . According to results the test item has not to be classified as skin irritant.