Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Acute Toxicity: oral

Currently viewing:

Administrative data

Endpoint:
acute toxicity: oral
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Method sufficiently described.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1937

Materials and methods

Test guideline
Qualifier:
no guideline followed
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Methyl methacrylate
EC Number:
201-297-1
EC Name:
Methyl methacrylate
Cas Number:
80-62-6
Molecular formula:
C5H8O2
IUPAC Name:
methyl 2-methylprop-2-enoate
Test material form:
liquid
Specific details on test material used for the study:
Supplier: Dupont

Test animals

Species:
rat
Strain:
not specified
Sex:
not specified
Details on test animals or test system and environmental conditions:
oral gavage by measn of a blunt hypodermic needle

Administration / exposure

Route of administration:
oral: gavage
Doses:
0.006; 0.007; 0.008; 0.009; 0.010; 0.011; 0.012 ml
No. of animals per sex per dose:
5; 10; 10; 10; 10; 10; 5
sex not specified
Control animals:
not specified

Results and discussion

Effect levels
Sex:
not specified
Dose descriptor:
approximate LD50
Effect level:
ca. 8 500 - ca. 9 400 mg/kg bw
Mortality:
observed
Other findings:
Twenty to forty minutes after oral treatment all rats showed a more ar less pronounced dyspnea fom which some did not recover after twentyfour hours later, while others died within this time.

Applicant's summary and conclusion