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Diss Factsheets

Administrative data

Endpoint:
acute toxicity: inhalation
Type of information:
experimental study
Adequacy of study:
key study
Study period:
1977/78
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
test procedure in accordance with national standard methods

Data source

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

Materials and methods

Principles of method if other than guideline:
BASF-Test
GLP compliance:
no
Test type:
other: BASF Method
Limit test:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
Trichloro-12,24-dihydro-5H-naphtho[2,3-h]naphth[2'',3'':6',7']indolo[2',3':6,7]anthra[2,1,9-mna]acridine-5,10,13,18,25-pentone
EC Number:
309-011-8
EC Name:
Trichloro-12,24-dihydro-5H-naphtho[2,3-h]naphth[2'',3'':6',7']indolo[2',3':6,7]anthra[2,1,9-mna]acridine-5,10,13,18,25-pentone
Cas Number:
99688-45-6
Molecular formula:
C45H17Cl3N2O5
IUPAC Name:
1,2,3-trichloro-12,24-dihydro-5H-naphtho[2,3-h]naphtho[2'',3'':6',7']indolo[2',3':6,7]anthra[2,1,9-mna]acridine-5,10,13,18,25-pentone
Test material form:
solid
Details on test material:
Vat Green 13

Test animals

Species:
rat
Strain:
not specified
Sex:
not specified
Details on test animals or test system and environmental conditions:
no data

Administration / exposure

Route of administration:
inhalation: dust
Type of inhalation exposure:
not specified
Vehicle:
other: unchanged (no vehicle)
Details on inhalation exposure:
Inhalation by means of dust enriched vapor for 8 hours. To achieve enrichment, air was fed through an approx. 5 cm deep layer of the product (weak dust development).
Analytical verification of test atmosphere concentrations:
not specified
Duration of exposure:
8 h
Concentrations:
enriched atmosphere
No. of animals per sex per dose:
12 rats
Control animals:
no
Details on study design:
- Duration of observation period following administration: 7 days
- Frequency of observations and weighing: daily observation, weekly weighing
- Necropsy of survivors performed: yes
- Other examinations performed: clinical signs, gross pathology
Statistics:
NA

Results and discussion

Effect levels
Key result
Sex:
not specified
Dose descriptor:
LC0
Based on:
test mat.
Exp. duration:
8 h
Remarks on result:
other: no effect at saturation concentration
Mortality:
None
Clinical signs:
other: None
Body weight:
NA
Gross pathology:
None

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Conclusions:
8 hours inhalation of saturated athmosphere did not lead to any deaths in rats (0/12).
Executive summary:

In an acute inhalation toxicity study, rats were exposed by inhalation to the test item in a saturated atmosphere for 8 hours. No deaths and no gross pathological signs of toxicity were observed.