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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
acute toxicity: oral
Type of information:
experimental study
Adequacy of study:
key study
Study period:
1975
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
comparable to guideline study with acceptable restrictions
Remarks:
very brief documentation

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1975
Report date:
1975

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 401 (Acute Oral Toxicity)
Deviations:
yes
Remarks:
application volume exceeds 20 mL/kg bw; 7 days observation period
GLP compliance:
no
Remarks:
performed prior to the implementation of GLP
Test type:
standard acute method
Limit test:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
3,4,5,6-tetrachloro-N-[2-(4,5,6,7-tetrachloro-2,3-dihydro-1,3-dioxo-1H-inden-2-yl)-8-quinolyl]phthalimide
EC Number:
250-063-5
EC Name:
3,4,5,6-tetrachloro-N-[2-(4,5,6,7-tetrachloro-2,3-dihydro-1,3-dioxo-1H-inden-2-yl)-8-quinolyl]phthalimide
Cas Number:
30125-47-4
Molecular formula:
C26H6Cl8N2O4
IUPAC Name:
4,5,6,7-tetrachloro-2-[2-(4,5,6,7-tetrachloro-1,3-dioxo-2,3-dihydro-1H-inden-2-yl)quinolin-8-yl]-1H-isoindole-1,3(2H)-dione
Test material form:
solid: nanoform
Details on test material:
- Physical state/ appearance: solid / yellow
- Shape of particles: spherical
- Aspect ratio: 1.5
- Particle size distribution: 62.7 nm
- Crystal structure: crystalline
- Surface area of particles: 29.6 m^2/g
- Surface treatment: no

Test animals

Species:
rat
Strain:
Sprague-Dawley
Sex:
male/female
Details on test animals or test system and environmental conditions:
TEST ANIMALS
- Source: Gassner
- Mean weight at study initiation: males: 229 g (208-246 g); females: 170 g (165-171 g)

ENVIRONMENTAL CONDITIONS: Not reported

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
CMC (carboxymethyl cellulose)
Remarks:
0.5% aqueous solution
Details on oral exposure:
VEHICLE
- Concentration in vehicle: 35 % suspension in 0.5 % aqueous CMC solution
Doses:
10000 mg/kg bw (28.5 mL/kg bw)
No. of animals per sex per dose:
5
Control animals:
no
Details on study design:
- Duration of observation period following administration: 7 days
- Frequency of weighing: day 1, 5 and 8
- Observation of clinical signs: on the day of administration and once daily afterwards (on working days)
- Necropsy of survivors performed: yes
Statistics:
not performed

Results and discussion

Effect levels
Sex:
male/female
Dose descriptor:
LD50
Effect level:
> 10 000 mg/kg bw
Based on:
test mat.
Remarks on result:
other: No mortality occurred.
Mortality:
No mortality was observed
Clinical signs:
other: Yellow faeces
Gross pathology:
No abnormalities were observed

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met