Registration Dossier
Registration Dossier
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EC number: 246-836-1 | CAS number: 25321-14-6
Skin sensitisation
Administrative data
- Endpoint:
- skin sensitisation: in vivo (non-LLNA)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Reliability as cited in OECD SIDS Dinitrotoluene (isomers mixture) CAS No.: 25321-14-6, 2004. Very limited documentation
Data source
Referenceopen allclose all
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 980
- Report date:
- 1980
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 975
- Report date:
- 1975
- Reference Type:
- secondary source
- Title:
- Dinitrotoluene (isomers mixture), CAS No.: 25321-14-6
- Author:
- OECD SIDS
- Year:
- 2 004
- Bibliographic source:
- OECD SIDS
Materials and methods
- Principles of method if other than guideline:
- According to Magnusson B. and Kligman, A.M., J. Invest. Derm 52, 268-276 (1969)
- GLP compliance:
- no
- Type of study:
- guinea pig maximisation test
- Justification for non-LLNA method:
- The LLNA method was not available yet by the time the study was conducted.
Test material
- Reference substance name:
- 2,4-dinitrotoluene and 2,6-dinitrotoluene
- IUPAC Name:
- 2,4-dinitrotoluene and 2,6-dinitrotoluene
- Details on test material:
- - Name of test material (as cited in study report): 2,4-dinitrotoluene (CAS 121-14-2) and 2,6-dinitrotoluene (CAS 606-20-2)
- Analytical purity: 2,4-DNT: 98% with 2% 2,6-DNT; 2,6-DNT: > 99%
Constituent 1
In vivo test system
Test animals
- Species:
- guinea pig
- Strain:
- not specified
- Sex:
- not specified
- Details on test animals and environmental conditions:
- TEST ANIMALS
- Source: Small Stock Industries, Pea Ridge, Arkansas
Study design: in vivo (non-LLNA)
Inductionopen allclose all
- Vehicle:
- peanut oil
- Concentration / amount:
- 2,4-DNT: 3.97% solution; 2,6-DNT: 4.99% solution
Challengeopen allclose all
- Vehicle:
- peanut oil
- Concentration / amount:
- 2,4-DNT: 3.97% solution; 2,6-DNT: 4.99% solution
- No. of animals per dose:
- 10 per test substance
- Details on study design:
- no data
- Challenge controls:
- no data
- Positive control substance(s):
- no
Results and discussion
In vivo (non-LLNA)
Resultsopen allclose all
- Reading:
- 1st reading
- Hours after challenge:
- 24
- Group:
- test chemical
- Dose level:
- not applicable
- No. with + reactions:
- 0
- Total no. in group:
- 10
- Remarks on result:
- other: Reading: 1st reading. . Hours after challenge: 24.0. Group: test group. Dose level: not applicable. No with. + reactions: 0.0. Total no. in groups: 10.0.
- Reading:
- 2nd reading
- Hours after challenge:
- 48
- Group:
- test chemical
- Dose level:
- not applicable
- No. with + reactions:
- 0
- Total no. in group:
- 10
- Remarks on result:
- other: Reading: 2nd reading. . Hours after challenge: 48.0. Group: test group. Dose level: not applicable. No with. + reactions: 0.0. Total no. in groups: 10.0.
- Reading:
- 1st reading
- Hours after challenge:
- 24
- Group:
- test chemical
- Dose level:
- not applicable
- No. with + reactions:
- 2
- Total no. in group:
- 10
- Remarks on result:
- other: Reading: 1st reading. . Hours after challenge: 24.0. Group: test group. Dose level: not applicable. No with. + reactions: 2.0. Total no. in groups: 10.0.
- Reading:
- 2nd reading
- Hours after challenge:
- 48
- Group:
- test chemical
- Dose level:
- not applicable
- No. with + reactions:
- 2
- Total no. in group:
- 10
- Remarks on result:
- other: Reading: 2nd reading. . Hours after challenge: 48.0. Group: test group. Dose level: not applicable. No with. + reactions: 2.0. Total no. in groups: 10.0.
Any other information on results incl. tables
2,4-DNT: negative (0/10 animals responded); 2,6-DNT: mild reponse (2/10 animals responded)
Applicant's summary and conclusion
- Interpretation of results:
- not sensitising
- Remarks:
- Migrated information
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