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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Report date:
2014

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 423 (Acute Oral toxicity - Acute Toxic Class Method)
GLP compliance:
yes (incl. QA statement)
Test type:
acute toxic class method
Limit test:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
3-acetyl-8,9,10,11-tetrahydro-5H-6-oxatetraphen-8-one
EC Number:
810-268-8
Cas Number:
1438383-92-6
Molecular formula:
C19H16O3
IUPAC Name:
3-acetyl-8,9,10,11-tetrahydro-5H-6-oxatetraphen-8-one

Test animals

Species:
rat
Strain:
Wistar
Sex:
female

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
other: distilled water
Details on oral exposure:
The test item was suspended with the vehicle aqua ad injectioem(sterile water) at a concentration of 0.2 g/mL and administered at a dose volume of 10 mL/kg.
Doses:
single oral dose of 300 and 2000 mg/kg body weight
No. of animals per sex per dose:
3

Results and discussion

Effect levels
Sex:
female
Dose descriptor:
LD50
Effect level:
> 2 000 mg/kg bw
Based on:
test mat.
Mortality:
All animals survived until the end of the study without showing any test-item related signs of toxicity.
Clinical signs:
other: No clinical sign was oberved in all the rats.
Gross pathology:
At necropsy, no macroscopic findings were observed in any animal of both steps.

Applicant's summary and conclusion

Interpretation of results:
not classified
Remarks:
Migrated information Criteria used for interpretation of results: EU
Conclusions:
On the basis of the test results the substance should be not classified .
LD50 cut-off (rat): 5000 mg/kg bw or unclassified