Registration Dossier
Registration Dossier
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EC number: 289-339-5 | CAS number: 87741-01-3
Repeated dose toxicity: inhalation
Administrative data
- Endpoint:
- sub-chronic toxicity: inhalation
- Type of information:
- experimental study
- Adequacy of study:
- other information
- Reliability:
- 3 (not reliable)
- Rationale for reliability incl. deficiencies:
- other: Relevance of tested substance unclear.
Data source
Reference
- Reference Type:
- publication
- Title:
- Absence of hydrocarbon-induced nephropathy in rats exposed sub-chronically to volatile hydrocarbon mixtures pertinent to gasoline
- Author:
- Aranyi, C. et al.
- Year:
- 1 986
- Bibliographic source:
- Toxicol. Ind. Health, 2, 85-98
Materials and methods
- Principles of method if other than guideline:
- Method: other: procedure as detailed in paper by Aranyi (see Reference).
- GLP compliance:
- not specified
Test material
- Reference substance name:
- Automatically generated during migration to IUCLID 6, no data available
- IUPAC Name:
- Automatically generated during migration to IUCLID 6, no data available
- Details on test material:
- IUCLID4 Test substance: other TS
TS-Freetext:
Tests were carried out on two gas mixtures comprising:
50% n-butane and 50% n-pentane, and
50% iso-butane and 50% iso-pentane.
Constituent 1
Test animals
- Species:
- rat
- Strain:
- Fischer 344
- Sex:
- male/female
Administration / exposure
- Route of administration:
- inhalation
- Duration of treatment / exposure:
- 90 days
- Frequency of treatment:
- 6 hours per day, 5 days per week
Doses / concentrations
- Remarks:
- Doses / Concentrations:
2 Test groups: 1017 ppm and 4489 ppm (20 male/10 female per group). Negative control group: no treatment (40 male/20 female animals).
Basis:
- Control animals:
- yes, concurrent no treatment
Results and discussion
Effect levels
- Dose descriptor:
- NOAEL
- Effect level:
- 4 489 ppm
- Sex:
- male/female
Target system / organ toxicity
- Critical effects observed:
- not specified
Any other information on results incl. tables
RS-Freetext:
There were NO DEATHS, and NO OTHER SIGNIFICANT TOXICOLOGICAL
EFFECTS were found.
Serial sacrifices of 10 male and 5 female animals were made
after 28 days. The male animals in these groups showed mild
but significant effects characteristic of light hydrocarbon
nephropathy. However, at 90 days the animals showed no
evidence of kidney effects.
Clinical signs included HUNCHED POSTURE, LETHARGY and
INTERMITTENT TREMOR. No effects were evident from
bodyweights, haematological and biochemical parameters, or
from histopathology.
Applicant's summary and conclusion
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
