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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Genetic toxicity: in vivo

Currently viewing:

Administrative data

Endpoint:
in vivo mammalian somatic cell study: cytogenicity / erythrocyte micronucleus
Remarks:
Type of genotoxicity: chromosome aberration
Type of information:
migrated information: read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: publication with limited documentation; no GLP; TS purity not specified;

Data source

Reference
Reference Type:
publication
Title:
STUDY OF ARTIFICIAL FLAVOURING SUBSTANCES FOR MUTAGENICITY IN THE SALMONELLA/MICROSOME, BASC AND MICRONUCLEUS TESTS
Author:
D.WILD; M.-T. KING; E . GOCKE and K. ECKHARDT
Year:
1983
Bibliographic source:
Fd Chem. Toxic.; Vol 21 , No 6, pp. 707-719

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 474 (Mammalian Erythrocyte Micronucleus Test)
Deviations:
yes
Remarks:
limited documentation
GLP compliance:
no
Type of assay:
micronucleus assay

Test material

Constituent 1
Chemical structure
Reference substance name:
4-ethoxybenzaldehyde
EC Number:
233-093-3
EC Name:
4-ethoxybenzaldehyde
Cas Number:
10031-82-0
Molecular formula:
C9H10O2
IUPAC Name:
4-ethoxybenzaldehyde
Details on test material:
- Name of test material (as cited in study report): 4-Ethoxybenzaldehyde
No further data.

Test animals

Species:
mouse
Strain:
NMRI
Sex:
male/female
Details on test animals or test system and environmental conditions:
TEST ANIMALS
- Age at study initiation: 10-14 weeks

Administration / exposure

Route of administration:
intraperitoneal
Vehicle:
- Vehicle(s)/solvent(s) used: olive oil
Duration of treatment / exposure:
30 hours
Frequency of treatment:
2 applications (0, 24hours)
Post exposure period:
not applicable
Doses / concentrations
Remarks:
Doses / Concentrations:
335; 670; 1005 mg/kg bw
Basis:

No. of animals per sex per dose:
4 (sex not specified)
Control animals:
yes
Positive control(s):
No data

Examinations

Tissues and cell types examined:
bone marrow
Details of tissue and slide preparation:
No details given
Evaluation criteria:
No details given
Statistics:
No details given

Results and discussion

Test results
Sex:
male/female
Genotoxicity:
negative
Toxicity:
yes
Vehicle controls validity:
valid
Negative controls validity:
not specified
Positive controls validity:
not specified

Any other information on results incl. tables

Results of micronucleus test on mouse bone marrow

 Dose [mg/kg bw]  Surviving/treated mice  Mean no. of MNPE / 1000 PE
 1005  2/4  2.9
 670  4/4  1.8
 335  4/4  2.0
 0  4/4  1.9

Applicant's summary and conclusion