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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: dermal
Type of information:
experimental study
Adequacy of study:
other information
Study period:
25. Sep to 12. Oct 2000
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP, guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2001
Report date:
2001

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 402 (Acute Dermal Toxicity)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Test type:
standard acute method
Limit test:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
3-oxopregn-4-ene-21,17α-carbolactone
EC Number:
213-552-4
EC Name:
3-oxopregn-4-ene-21,17α-carbolactone
Cas Number:
976-70-5
Molecular formula:
C22H30O3
IUPAC Name:
(1R,3aS,3bR,9aR,9bS,11aS)-9a,11a-dimethyl-2,3,3a,3b,4,5,7,8,9,9a,9b,10,11,11a-tetradecahydrospiro[cyclopenta[a]phenanthrene-1,2'-oxolane]-5',7-dione
Details on test material:
- Name of test material (as cited in study report): aldona (ZK 57564)
- Analytical purity: 95.5% HPLC
- Lot/batch No.: 59035042
- Expiration date of the lot/batch: Aug 2002

Test animals

Species:
rat
Strain:
Wistar
Sex:
male/female

Administration / exposure

Type of coverage:
occlusive
Vehicle:
other: 0.5% (m/v) Tylose MH 1000
Duration of exposure:
24 h
Doses:
2000 mg/kg
No. of animals per sex per dose:
3/sex
Control animals:
no

Results and discussion

Effect levels
Sex:
male/female
Dose descriptor:
LD50
Effect level:
< 2 000 mg/kg bw
Based on:
test mat.

Any other information on results incl. tables

no clinical signs

Applicant's summary and conclusion

Interpretation of results:
not classified
Remarks:
Migrated information Criteria used for interpretation of results: EU
Conclusions:
LD50 >2000 mg/kg , no classification required
Executive summary:

Single dermal application of aldona (ZK 57564) to rats (3/sex) for 24 hours did not induce any clinical or pathological signs. LD50 >2000 mg/kg