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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1986
Report date:
1986

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 404 (Acute Dermal Irritation / Corrosion)
Qualifier:
according to guideline
Guideline:
EU Method B.4 (Acute Toxicity: Dermal Irritation / Corrosion)
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
2-chloro-4-nitrotoluene
EC Number:
204-501-7
EC Name:
2-chloro-4-nitrotoluene
Cas Number:
121-86-8
Molecular formula:
C7H6ClNO2
IUPAC Name:
2-chloro-1-methyl-4-nitrobenzene
Details on test material:
- Name of test material (as cited in study report): 2-Chlor-4-nitrotoluol TTR
- Purity: > 98 %

Test animals

Species:
rabbit
Strain:
New Zealand White
Details on test animals or test system and environmental conditions:
TEST ANIMALS
- Source: Hoechst AG (Kastengrund, Germany)
- Age at study initiation: approx. 3-5 months
- Weight at study initiation: 2.3-3.1 kg
- Housing: individual
- Diet: ad libitum
- Water: ad libitum
- Acclimation period: no data


ENVIRONMENTAL CONDITIONS
- Temperature (°C): 20 +/- 3
- Humidity (%): 50 +/- 20
- Air changes (per hr): no data
- Photoperiod (hrs dark / hrs light): 12 / 12

Test system

Type of coverage:
semiocclusive
Preparation of test site:
shaved
Vehicle:
other: polyethylene glycol 400
Controls:
no
Amount / concentration applied:
Amount: 0.5 g
Duration of treatment / exposure:
4 hours
Observation period:
up to 72 hours
Number of animals:
3
Details on study design:
TEST SITE
- Area of exposure: approx. 2.5 x 2.5 cm
- Type of wrap if used: gauze patch

REMOVAL OF TEST SUBSTANCE
- Washing: carefully rinsed with tepid water
- Time after start of exposure: 4 hours

SCORING SYSTEM: according to Draize

Results and discussion

In vivo

Resultsopen allclose all
Irritation parameter:
erythema score
Basis:
animal: #1,2,3
Time point:
other: 30-60 minutes
Score:
1
Max. score:
4
Reversibility:
fully reversible within: 24 hours
Irritation parameter:
edema score
Basis:
animal: #1,2,3
Time point:
other: 30-60 minutes
Score:
0
Max. score:
4
Irritation parameter:
erythema score
Basis:
animal: #1,2,3
Time point:
other: 24, 48, 72 hours
Score:
0
Max. score:
4
Irritation parameter:
edema score
Basis:
animal: #1,2,3
Time point:
other: 24, 48, 72 hours
Score:
0
Max. score:
4
Other effects:
no data

Applicant's summary and conclusion

Interpretation of results:
not irritating
Remarks:
Migrated information
Executive summary:

2-Chlor-4-nitrotoluol TTR was not irritating to the skin of rabbits according to OECD TG 404.