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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Repeated dose toxicity: oral

Currently viewing:

Administrative data

Endpoint:
short-term repeated dose toxicity: oral
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
abstract

Data source

Referenceopen allclose all

Reference Type:
secondary source
Title:
Unnamed
Year:
2000
Report date:
2000
Reference Type:
publication
Title:
Etude comparee de la toxicite de derives cyanes et/ou amides aromatiques
Author:
Cheav, S.L., Foussard-Blanpin, O.
Year:
1990
Bibliographic source:
Ann. Pharm. Fr., 48, 23-31

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 407 (Repeated Dose 28-Day Oral Toxicity Study in Rodents)
Deviations:
not specified
GLP compliance:
not specified
Limit test:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Benzonitrile
EC Number:
202-855-7
EC Name:
Benzonitrile
Cas Number:
100-47-0
Molecular formula:
C7H5N
IUPAC Name:
benzonitrile
impurity 1
Chemical structure
Reference substance name:
Toluene
EC Number:
203-625-9
EC Name:
Toluene
Cas Number:
108-88-3
Molecular formula:
C7H8
IUPAC Name:
toluene
impurity 2
Chemical structure
Reference substance name:
Benzaldehyde
EC Number:
202-860-4
EC Name:
Benzaldehyde
Cas Number:
100-52-7
Molecular formula:
C7H6O
IUPAC Name:
benzaldehyde
impurity 3
Chemical structure
Reference substance name:
Terephthalonitrile
EC Number:
210-783-2
EC Name:
Terephthalonitrile
Cas Number:
623-26-7
Molecular formula:
C8H4N2
IUPAC Name:
terephthalonitrile
impurity 4
Chemical structure
Reference substance name:
Benzene-1,3-dicarbonitrile
EC Number:
210-933-7
EC Name:
Benzene-1,3-dicarbonitrile
Cas Number:
626-17-5
Molecular formula:
C8H4N2
IUPAC Name:
isophthalonitrile
impurity 5
Chemical structure
Reference substance name:
Water
EC Number:
231-791-2
EC Name:
Water
Cas Number:
7732-18-5
Molecular formula:
H2O
IUPAC Name:
water
Test material form:
liquid

Test animals

Species:
rat
Strain:
Wistar
Sex:
male/female

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
olive oil
Analytical verification of doses or concentrations:
not specified
Duration of treatment / exposure:
28 days
Frequency of treatment:
daily
Doses / concentrations
Dose / conc.:
40 mg/kg bw/day (nominal)
Remarks:
Basis:
actual ingested
No. of animals per sex per dose:
5
Control animals:
yes

Results and discussion

Effect levels

Key result
Dose descriptor:
NOAEL
Effect level:
40 mg/kg bw/day (actual dose received)
Based on:
test mat.
Sex:
male/female
Basis for effect level:
other: mortality; body weight; gross pathology; behavior

Target system / organ toxicity

Critical effects observed:
not specified

Applicant's summary and conclusion

Conclusions:
Application or 40 mg benzonitrile/kg/d for 28 days did not cause any adverse effect in Wistar rats.
Executive summary:

Application or 40 mg benzonitrile/kg/d for 28 days did not cause any adverse effect in Wistar rats.