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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
short-term repeated dose toxicity: oral
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)

Data source

Reference
Reference Type:
publication
Title:
Toxicity of propylene oxide determined on experimental animals
Author:
Rowe VK, Hollingsworth RL, Oyen F, Mccollister DD, Spencer HC
Year:
1956
Bibliographic source:
AMA Arch Ind Health 13(3):228-36

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 407 (Repeated Dose 28-Day Oral Toxicity Study in Rodents)
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Methyloxirane
EC Number:
200-879-2
EC Name:
Methyloxirane
Cas Number:
75-56-9
Molecular formula:
C3H6O
IUPAC Name:
2-methyloxirane

Test animals

Species:
rat
Sex:
not specified

Administration / exposure

Route of administration:
oral: unspecified
Duration of treatment / exposure:
5 days/week for 24 days

Results and discussion

Results of examinations

Details on results:
impaired growth, gastric irritation and slight liver damage

Effect levels

Dose descriptor:
LOEL
Effect level:
300 mg/kg bw/day (nominal)
Based on:
not specified

Target system / organ toxicity

Critical effects observed:
not specified

Applicant's summary and conclusion