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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: A study according to OECD guideline but not GLP.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2011
Report date:
2011

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 423 (Acute Oral toxicity - Acute Toxic Class Method)
GLP compliance:
no
Test type:
acute toxic class method

Test material

Constituent 1
Reference substance name:
17-alpha-hydroxypregna-4,9(11)-diene-3,20-dione
IUPAC Name:
17-alpha-hydroxypregna-4,9(11)-diene-3,20-dione
Constituent 2
Chemical structure
Reference substance name:
17-hydroxypregna-4,9(11)-diene-3,20-dione
EC Number:
251-868-4
EC Name:
17-hydroxypregna-4,9(11)-diene-3,20-dione
Cas Number:
34184-82-2
Molecular formula:
C21H28O3
IUPAC Name:
(1R,3aS,3bS,9aS,11aS)-1-acetyl-1-hydroxy-9a,11a-dimethyl-1H,2H,3H,3aH,3bH,4H,5H,7H,8H,9H,9aH,11H,11aH-cyclopenta[a]phenanthren-7-one
Details on test material:
Test article: Oxediene (raw material)
Batch: 0916860039

Test animals

Species:
rat
Strain:
Sprague-Dawley
Sex:
female
Details on test animals or test system and environmental conditions:
OFA Sprague Dawley rat, IOPS Caw

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
other: 10 ml/kg in Methylcellulose
Doses:
300 mg/kg. Other doses (50, 2000 mg/kg) are possibly studied depending on the results obtained.
No. of animals per sex per dose:
3 females
Details on study design:
Single administration followed by a 15-day observation period

Results and discussion

Effect levels
Sex:
female
Dose descriptor:
LD50
Effect level:
> 2 000 mg/kg bw
Based on:
test mat.
Mortality:
No mortality

Applicant's summary and conclusion

Interpretation of results:
not classified
Remarks:
Migrated information Criteria used for interpretation of results: EU
Conclusions:
In this study conducted with Oxediene (batch 0916860039), the maximal dose tested was non-lethal (2000 mg/kg). The LD50 > 2000 mg/kg.