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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Toxicological information

Basic toxicokinetics

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Administrative data

Endpoint:
basic toxicokinetics in vivo
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
study well documented, meets generally accepted scientific principles, acceptable for assessment

Data source

Referenceopen allclose all

Reference Type:
other: thesis
Title:
Contribution a l'etude analytique toxicologique et biochimique de l'isophorone.
Author:
Dutertre-Catella H
Year:
1976
Bibliographic source:
Universite Rene Descartes, Paris
Reference Type:
other: OECD SIDS
Title:
3,5,5-Trimethylcyclohex-2-enone (Isophorone), CAS No. 78-59-1
Author:
OECD SIDS
Year:
2003
Bibliographic source:
SIDS Initial Assessment Report for SIAM 16

Materials and methods

Objective of study:
distribution
Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
The distribution of isophorone in the organism was studied after ingestion.
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
3,5,5-trimethylcyclohex-2-enone
EC Number:
201-126-0
EC Name:
3,5,5-trimethylcyclohex-2-enone
Cas Number:
78-59-1
Molecular formula:
C9H14O
IUPAC Name:
3,5,5-trimethylcyclohex-2-enone
Radiolabelling:
yes
Remarks:
14C

Test animals

Species:
rabbit
Strain:
other: New Zealand
Sex:
female

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
olive oil
Duration and frequency of treatment / exposure:
once
Doses / concentrations
Dose / conc.:
4 000 other: mg/kg bw
No. of animals per sex per dose / concentration:
1
Control animals:
not specified
Details on study design:
Blood sample determination (0.5 hours after ingestion). Extraction of organs and GC analysis (identification of isophorone via Kovats index).

Results and discussion

Main ADME results
Type:
distribution
Results:
Distribution of isophorone in organs from high to low amounts: Stomach > ovaries > adrenal > spleen, liver > kidney, brain, heart > lung

Any other information on results incl. tables

MORTALITY
4000 mg/kg:
1/1 female rabbits: 1 hour after ingestion.

CONCLUSION
Rapid diffusion and distribution of isophorone through the body.
No bioaccumulation.

Applicant's summary and conclusion