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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Exposure related observations in humans: other data

Administrative data

Endpoint:
exposure-related observations in humans: other data
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: Secondary literature; result presented without detailed documentation.

Data source

Referenceopen allclose all

Reference Type:
publication
Title:
Fragrance raw materials monographs. Methyl acetoacetate.
Author:
Opdyke DLJ
Year:
1978
Bibliographic source:
Food Cosmet Toxicol 16: 815
Reference Type:
secondary source
Title:
Report to RIFM, 10 May 1976
Author:
Kligman AM
Year:
1976
Bibliographic source:
Cited in Opdyke DLJ (1978). Fragrance raw materials monographs. Methyl acetoacetate. Food Cosmet Toxicol 16: 815

Materials and methods

Type of study / information:
in vivo
Endpoint addressed:
skin irritation / corrosion
Principles of method if other than guideline:
Closed Patch Test
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Methyl acetoacetate
EC Number:
203-299-8
EC Name:
Methyl acetoacetate
Cas Number:
105-45-3
Molecular formula:
C5H8O3
IUPAC Name:
methyl 3-oxobutanoate
Details on test material:
- Name of test material (as cited in study report): methyl acetoacetate;
- Analytical purity: no data

Method

Ethical approval:
not specified
Details on study design:
Methyl acetoacetate was applied full strength to intact or abraded rabbit skin for 24 hr under occlusive conditions (Moreno 1976).
Exposure assessment:
not specified
Details on exposure:
TYPE OF EXPOSURE: skin

EXPOSURE LEVELS: applied concentration: 8 %

EXPOSURE PERIOD: 48 hours

POSTEXPOSURE PERIOD: no data

Results and discussion

Results:
In a 48-hour closed patch test with human subjects, the test substance did not produce any irritation when tested at 8% in petrolatum (Kligman 1976).

Any other information on results incl. tables

No further information available.

Applicant's summary and conclusion