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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Acute Toxicity: dermal

Currently viewing:

Administrative data

Endpoint:
acute toxicity: dermal
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
3 (not reliable)
Rationale for reliability incl. deficiencies:
other: The data in the migrated NONS file is deficient and the study has not been seen to confirm quality.

Data source

Reference
Reference Type:
other: Body respondible for the test
Title:
Unnamed
Year:
1989

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: The method used was a modification of that described by J.H. Draize.
Principles of method if other than guideline:
The method used was a modification of that described by J.H. Draize.
GLP compliance:
yes
Test type:
other: Not given in information from migrated NONS file as per inquiry # [06-0000024772-67-0000], permission to refer granted by ECHA
Limit test:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
N-(n-octyl)-2-pyrrolidinone
EC Number:
403-700-8
EC Name:
N-(n-octyl)-2-pyrrolidinone
Cas Number:
2687-94-7
Molecular formula:
C12H23NO
IUPAC Name:
N-(n-octyl)-2-pyrrolidinone
Details on test material:
Not given in information from migrated NONS file as per inquiry # [06-0000024772-67-0000], permission to refer granted by ECHA

Test animals

Species:
rabbit
Strain:
New Zealand White
Sex:
male/female
Details on test animals or test system and environmental conditions:
Not given in information from migrated NONS file as per inquiry # [06-0000024772-67-0000], permission to refer granted by ECHA

Administration / exposure

Type of coverage:
occlusive
Vehicle:
not specified
Remarks:
Not given in information from migrated NONS file as per inquiry # [06-0000024772-67-0000], permission to refer granted by ECHA
Details on dermal exposure:
Not given in information from migrated NONS file as per inquiry # [06-0000024772-67-0000], permission to refer granted by ECHA
Duration of exposure:
24 hours
Doses:
2000 mg/kg bw
No. of animals per sex per dose:
3 males, 3 females
Control animals:
not specified
Details on study design:
Not given in information from migrated NONS file as per inquiry # [06-0000024772-67-0000], permission to refer granted by ECHA
Statistics:
Not given in information from migrated NONS file as per inquiry # [06-0000024772-67-0000], permission to refer granted by ECHA

Results and discussion

Preliminary study:
Not given in information from migrated NONS file as per inquiry # [06-0000024772-67-0000], permission to refer granted by ECHA
Effect levels
Sex:
male/female
Dose descriptor:
LD50
Effect level:
> 2 000 mg/kg bw
Based on:
not specified
Remarks:
Not given in information from migrated NONS file as per inquiry # [06-0000024772-67-0000], permission to refer granted by ECHA
Remarks on result:
other: 95% Cl and Based on data not given in information from migrated NONS file as per inquiry # [06-0000024772-67-0000], permission to refer granted by ECHA
Mortality:
No deaths to any animals throughout study
Clinical signs:
Signs of toxicity related to dose levels: no mortality
Body weight:
Not given in information from migrated NONS file as per inquiry # [06-0000024772-67-0000], permission to refer granted by ECHA
Gross pathology:
Not given in information from migrated NONS file as per inquiry # [06-0000024772-67-0000], permission to refer granted by ECHA
Other findings:
Signs of toxicity (local): No dermal changes observed in any animals.

Applicant's summary and conclusion

Interpretation of results:
not classified
Remarks:
Migrated information Criteria used for interpretation of results: EU
Conclusions:
N-(n-octyl)-2-pyrrolidinone is not classified with regards to dermal toxicity.
Executive summary:

The study does not follow a clear guideline. The LD50 value of N-(n-octyl)-2 -pyrrolidinone is found to be >2000 mg/kg bw. The findings are that N-(n-octyl)-2 -pyrrolidinone is not classified with regards to dermal toxicity.