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Toxicological information

Acute Toxicity: inhalation

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Administrative data

Endpoint:
acute toxicity: inhalation
Type of information:
experimental study
Adequacy of study:
key study
Study period:
1995
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: secondary source

Data source

Reference
Reference Type:
review article or handbook
Title:
Unnamed
Year:
1995
Report date:
1978

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 403 (Acute Inhalation Toxicity)
GLP compliance:
not specified
Test type:
standard acute method
Limit test:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
4-aminophenol
EC Number:
204-616-2
EC Name:
4-aminophenol
Cas Number:
123-30-8
Molecular formula:
C6H7NO
IUPAC Name:
4-aminophenol

Test animals

Species:
rat
Strain:
Wistar
Sex:
male/female
Details on test animals or test system and environmental conditions:
TEST ANIMALS
- Weight at study initiation: 160-220 g

Administration / exposure

Route of administration:
inhalation: dust
Type of inhalation exposure:
nose/head only
Vehicle:
other: no data
Duration of exposure:
4 h
Concentrations:
3.42 mg/l
No. of animals per sex per dose:
10 animals per sex
Control animals:
not specified
Details on study design:
- Duration of observation period following administration: 14 days

Results and discussion

Effect levels
Sex:
male/female
Dose descriptor:
LC50
Effect level:
> 3.42 mg/L air
Mortality:
All of the rats survived.
Clinical signs:
other: No effects were observed.
Gross pathology:
No effects were observed.

Applicant's summary and conclusion

Interpretation of results:
Toxicity Category IV
Remarks:
Migrated information Criteria used for interpretation of results: EU