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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1994
Report date:
1994

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 401 (Acute Oral Toxicity)
Deviations:
yes
Remarks:
slight variations of humidity beyond the norms (30 to 70%RH) with a maximum at 79% RH
GLP compliance:
yes (incl. QA statement)
Test type:
standard acute method
Limit test:
yes

Test material

Constituent 1
Reference substance name:
DiCOA
IUPAC Name:
DiCOA
Test material form:
solid: particulate/powder
Remarks:
migrated information: powder

Test animals

Species:
rat
Strain:
Sprague-Dawley
Sex:
male/female

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
CMC (carboxymethyl cellulose)
Remarks:
10% suspension in a 1% aqueous dispersion of CMC
Doses:
2000 mg/kg
No. of animals per sex per dose:
5/sex
Control animals:
no
Details on study design:
main study: test article as a 10% (w/v) suspension, pH=5.2, T=16.6°C
Examinations 15 min after intubation, then at 1, 2 and 4 h then each day for 14 days

Results and discussion

Preliminary study:
test article as a 2.5%, 5%, 10% w/v suspension in the vehicle
Effect levelsopen allclose all
Sex:
female
Dose descriptor:
LD50
Effect level:
> 2 000 mg/kg bw
Based on:
test mat.
Sex:
male
Dose descriptor:
LD50
Effect level:
> 2 000 mg/kg bw
Based on:
test mat.
Mortality:
no mortality was observed
Clinical signs:
other: There were no changes in behavior or clinical signs in any of the treated animals during the observation period.
Gross pathology:
There were no macroscopic findings that could be associated with treatment.

Applicant's summary and conclusion

Interpretation of results:
not classified
Remarks:
Migrated information Criteria used for interpretation of results: EU
Conclusions:
LD50, by the oral route , in the rat (male+female) >2000 mg/kg