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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Skin sensitisation

Currently viewing:

Administrative data

Endpoint:
skin sensitisation: in vivo (LLNA)
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Justification for type of information:
Data is from handbook .

Data source

Reference
Reference Type:
review article or handbook
Title:
Heterocyclic and Miscellaneous Nitrogen Compounds. pp. 2719-2727
Author:
Reinhardt, C.F
Year:
1981
Bibliographic source:
Patty's Industrial Hygiene and Toxicology, 3rd revised edition, Clayton, G.D. And F.E. Clayton, eds. J. Wiley & Sons, New York, NY U.S., 1981

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: As mentioned below
Principles of method if other than guideline:
Skin sensitizing potential of Pyridine was evaluated in guinea pig.
GLP compliance:
not specified
Type of study:
other: No data available.
Justification for non-LLNA method:
Not specified.

Test material

Constituent 1
Chemical structure
Reference substance name:
Pyridine
Cas Number:
110-86-1
Molecular formula:
C5H5N
IUPAC Name:
Pyridine
Specific details on test material used for the study:
- Name of test material (as cited in study report): Pyridine
- Molecular formula: C5H5N
- Molecular weight: 79.1g/mol
- Substance type:Organic

In vivo test system

Test animals

Species:
guinea pig
Strain:
not specified
Sex:
not specified
Details on test animals and environmental conditions:
No data available.

Study design: in vivo (non-LLNA)

Induction
Route:
other: No data available.
Challenge
Route:
other: No data available.
No. of animals per dose:
No data available.
Details on study design:
No data available.
Challenge controls:
No data available.
Positive control substance(s):
not specified

Study design: in vivo (LLNA)

Statistics:
No data available.

Results and discussion

In vivo (non-LLNA)

Results
Reading:
1st reading
Group:
test chemical
Clinical observations:
Not sensitizing
Remarks on result:
no indication of skin sensitisation

Any other information on results incl. tables

No sensitization reaction observed

Applicant's summary and conclusion

Interpretation of results:
other: Not sensitizing
Conclusions:
Skin sensitizing potential of Pyridine was evaluated in Guinea pig . According to the text Pyridine was considered to be non sensitizing in Guinea pig.
Executive summary:

Skin sensitizing potential of Pyridine (110 -86 -1)was evaluated inGuinea pig. According to the text Pyridine(110 -86 -1) was considered to be non sensitizing in Guinea pig.