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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Acute Toxicity: inhalation

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Administrative data

Endpoint:
acute toxicity: inhalation
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Study was performed prior to the implementation of GLP and OECD Guidelines, but meets the principles of an acute inhalation toxicity study.

Data source

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

Materials and methods

Test guideline
Qualifier:
no guideline followed
Deviations:
not applicable
Principles of method if other than guideline:
8h inhalation exposure to a saturated test item atmosphere
according to Smyth et al.: Am. Ind. Hyg. Ass. J., 23, 95-107 (1944)
GLP compliance:
no
Test type:
standard acute method
Limit test:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
1,1'-(p-tolylimino)dipropan-2-ol
EC Number:
254-075-1
EC Name:
1,1'-(p-tolylimino)dipropan-2-ol
Cas Number:
38668-48-3
Molecular formula:
C13H21NO2
IUPAC Name:
1,1'-(p-tolylimino)dipropan-2-ol
Details on test material:
Name of the test substance used in the study report: Diisopropanol-p-toluidin

Test animals

Species:
rat
Strain:
not specified
Sex:
male/female
Details on test animals or test system and environmental conditions:
mean body weight at study start: 203 g

Administration / exposure

Route of administration:
inhalation
Type of inhalation exposure:
whole body
Vehicle:
air
Details on inhalation exposure:
Two groups of 3 rats per sex were exposed sequentially to the vapors, generated by bubbling 200 l/h air through a substance column of about 5 cm above a fritted glass disc in a glass cylinder for 8 hours.
Analytical verification of test atmosphere concentrations:
no
Duration of exposure:
8 h
Concentrations:
saturated atmophere at 20°C
No. of animals per sex per dose:
3 rats (total of 12 rats tested in two subsequent experiments)
Control animals:
no
Details on study design:
- Necropsy of survivors performed: yes
- Other examinations performed: clinical signs, body weight
- observation period: 7 days

Results and discussion

Effect levels
Sex:
male/female
Dose descriptor:
LC0
Effect level:
other: saturated atmosphere
Based on:
test mat.
Exp. duration:
8 h
Mortality:
none
Clinical signs:
other: no abnormality detected
Gross pathology:
no abnormality detected

Applicant's summary and conclusion