Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
repeated dose toxicity: oral
Data waiving:
other justification
Justification for data waiving:
other:

Data source

Reference
Reference Type:
other: Body responsible for the test
Title:
Unnamed

Materials and methods

Limit test:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
3-icosyl-4-henicosylidene-2-oxetanone
EC Number:
401-210-9
EC Name:
3-icosyl-4-henicosylidene-2-oxetanone
Cas Number:
83708-14-9
Molecular formula:
C44H84 O2
IUPAC Name:
(4Z)-4-henicosylidene-3-icosyloxetan-2-one

Test animals

Species:
other: Rat, CD (SD) BR strains, males and females

Administration / exposure

Route of administration:
oral: unspecified
Duration of treatment / exposure:
Test duration: 90 days
Frequency of treatment:
Dosing regime: 7 days/week
No. of animals per sex per dose:
Male: 20 animals at CA 0 mg/kg bw/day
Male: 20 animals at CA 20 mg/kg bw/day
Male: 20 animals at CA 200 mg/kg bw/day
Male: 20 animals at CA 2000 mg/kg bw/day
Female: 20 animals at CA 0 mg/kg bw/day
Female: 20 animals at CA 20 mg/kg bw/day
Female: 20 animals at CA 200 mg/kg bw/day
Female: 20 animals at CA 2000 mg/kg bw/day

Results and discussion

Effect levels

open allclose all
Dose descriptor:
NOAEL
Effect level:
ca. 20 mg/kg bw/day (nominal)
Basis for effect level:
other: original NCD unit is mg/kg/day.
Dose descriptor:
NOEL
Effect level:
ca. 20 mg/kg bw/day (nominal)
Basis for effect level:
other: original NCD unit is mg/kg/day.

Target system / organ toxicity

Critical effects observed:
not specified

Applicant's summary and conclusion

Conclusions:
Test results did not lead to Substance classification