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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
acute toxicity: dermal
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
comparable to guideline study with acceptable restrictions

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1988
Report date:
1988

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 402 (Acute Dermal Toxicity)
GLP compliance:
no
Test type:
fixed dose procedure
Limit test:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
2,4-dimethylpentan-3-one
EC Number:
209-294-7
EC Name:
2,4-dimethylpentan-3-one
Cas Number:
565-80-0
Molecular formula:
C7H14O
IUPAC Name:
2,4-dimethylpentan-3-one
Test material form:
liquid
Details on test material:
- Name of test material (as cited in report): 2,4-Dimethylpentanon-3 / Diisopropyl keton
- Physical state: liquid
Specific details on test material used for the study:
- Name of test substance (as cited in report): 2,4-Dimethyl-3-pentone

Test animals

Species:
rat
Strain:
other: Crl:CD(SD)BR
Sex:
male/female
Details on test animals or test system and environmental conditions:
- Weight at study initiation: Males 284 - 297 g, Females 227 - 235 g
- Identification: Alll animals were identified by metal ear tags/cage number.

Administration / exposure

Type of coverage:
occlusive
Vehicle:
unchanged (no vehicle)
Details on dermal exposure:
TEST SITE
- Area of exposure: Dorsal skin (The hair from the dorsal skin of the rats was removed with an electric clipper).
- Type of wrap if used: Occlusive

TEST MATERIAL
- Amount(s) applied (volume or weight with unit): 20 mL/kg bw
Doses:
20 mL/kg
No. of animals per sex per dose:
5
Control animals:
no
Details on study design:
- Duration of observation period following administration: 14 days
- Necropsy of survivors performed: no
- Other examinations performed: clinical signs, body weight
Statistics:
Method of calculation: Weil method

Results and discussion

Effect levels
Key result
Sex:
male/female
Dose descriptor:
LD50
Effect level:
> 20 mL/kg bw
Based on:
test mat.
Remarks on result:
other: corresponds to 16200 mg/kg bw (based on a relative density of 0.81)
Mortality:
No mortality occurred
Clinical signs:
other: No clinical signs were note during the 14 day observation period.
Gross pathology:
not reported

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met