Registration Dossier

Diss Factsheets

Administrative data

Endpoint:
skin irritation: in vivo
Type of information:
experimental study
Adequacy of study:
key study
Study period:
10/07/1984-13/07/1984
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Well documented report of a guideline study conducted to GLP.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1984
Report date:
1984

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EPA OPPTS 870.2500 (Acute Dermal Irritation)
Deviations:
no
GLP compliance:
yes (incl. QA statement)

Test material

Constituent 1
Chemical structure
Reference substance name:
2-acrylamido-2-methylpropanesulphonic acid
EC Number:
239-268-0
EC Name:
2-acrylamido-2-methylpropanesulphonic acid
Cas Number:
15214-89-8
Molecular formula:
C7H13NO4S
IUPAC Name:
(1Z)-N-(2-methyl-1-sulfopropan-2-yl)prop-2-enimidic acid
Details on test material:
- Name of test material: OS#63466G
- Substance type: organic
- Physical state: solid
- Analytical purity: not specified
- Impurities (identity and concentrations): not specified
- Composition of test material, percentage of components: 100%
- Purity test date: not specified
- Lot/batch No.: not specified
- Expiration date of the lot/batch: not specified
- Stability under test conditions: stable
- Storage condition of test material: not specified

Test animals

Species:
rabbit
Strain:
New Zealand White
Details on test animals or test system and environmental conditions:
TEST ANIMALS
- Source: Ace Animals Inc, Boyertown (PA), USA
- Age at study initiation: not specified
- Weight at study initiation: not specified
- Housing: individually
- Diet: ad libitum
- Water: ad libitum
- Acclimation period: yes (duration not specified)

ENVIRONMENTAL CONDITIONS
- Temperature (°C): 18.3-23-9°C (65-75°F)
- Humidity (%): 45-55
- Air changes (per hr): not specified
- Photoperiod (hrs dark / hrs light): 12/12

IN-LIFE DATES: From: 10/07/1984 To: 13/07/1984

Test system

Type of coverage:
occlusive
Preparation of test site:
abraded
Vehicle:
unchanged (no vehicle)
Controls:
not required
Amount / concentration applied:
TEST MATERIAL
- Amount(s) applied (volume or weight with unit): 0.5 g
Duration of treatment / exposure:
24 hours
Observation period:
48 hours
Number of animals:
6
Details on study design:
TEST SITE
- Area of exposure: Not specified
- % coverage: Not specified
- Type of wrap if used: gauze + impervious material

REMOVAL OF TEST SUBSTANCE
- Washing: no (wipe only
- Time after start of exposure: 24 hours

SCORING SYSTEM: Draize

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
edema score
Basis:
mean
Time point:
other: 24 hours
Score:
0
Max. score:
0
Reversibility:
other: no effect
Irritation parameter:
edema score
Basis:
mean
Time point:
other: 72 hours
Score:
0
Max. score:
0
Reversibility:
other: no effect
Irritation parameter:
erythema score
Basis:
mean
Time point:
other: 24 hours
Score:
0
Max. score:
0
Reversibility:
other: no effect
Irritation parameter:
erythema score
Basis:
mean
Time point:
other: 72 hours
Score:
0
Max. score:
0
Reversibility:
other: no effect
Irritant / corrosive response data:
No irritant response was observed.
Other effects:
None

Applicant's summary and conclusion

Interpretation of results:
not irritating
Remarks:
Migrated information Criteria used for interpretation of results: EU
Conclusions:
Under the test conditions, ATBS was not considered to be irritating to skin.