Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 423-040-4 | CAS number: 125700-67-6 TBTU
Skin sensitisation
Administrative data
- Endpoint:
- skin sensitisation: in vivo (non-LLNA)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- other: (robust) study summaries provided by ECHA
- Title:
- Unnamed
- Year:
- 1 997
- Report date:
- 1997
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: 92/69/EEC (Maximisation)
- GLP compliance:
- yes
- Type of study:
- guinea pig maximisation test
- Justification for non-LLNA method:
- (robust) study summaries provided by ECHA
Test material
- Reference substance name:
- 2-(1-H-benzotriazol-1-yl)-1,1,3,3-tetramethyluronium tetrafluoroborate
- EC Number:
- 423-040-4
- EC Name:
- 2-(1-H-benzotriazol-1-yl)-1,1,3,3-tetramethyluronium tetrafluoroborate
- Cas Number:
- 125700-67-6
- Molecular formula:
- C11H16N5O.BF4
- IUPAC Name:
- [(1H-1,2,3-benzotriazol-1-yloxy)(dimethylamino)methylidene]dimethylazanium; tetrafluoroboranuide
- Test material form:
- solid: particulate/powder
Constituent 1
In vivo test system
Test animals
- Species:
- guinea pig
- Strain:
- Dunkin-Hartley
Study design: in vivo (non-LLNA)
Induction
- Route:
- intradermal
- Vehicle:
- other: Alembicol D
- Concentration / amount:
- Intradermal injection: 10% w/v in Alembicol D
- Adequacy of induction:
- not specified
Challenge
- No.:
- #1
- Route:
- intradermal
- Vehicle:
- other: Alembicol D
- Concentration / amount:
- 10% w/v in Alembicol D
- No. of animals per dose:
- Number of animals in test group: 10
Number of animals in negative control group: 5
Results and discussion
In vivo (non-LLNA)
Resultsopen allclose all
- Reading:
- 1st reading
- Hours after challenge:
- 24
- Group:
- test chemical
- Dose level:
- 30%
- No. with + reactions:
- 9
- Total no. in group:
- 10
- Remarks on result:
- other: Reading: 1st reading. . Hours after challenge: 24.0. Group: test group. Dose level: 30 %. No with. + reactions: 9.0. Total no. in groups: 10.0
- Reading:
- 2nd reading
- Hours after challenge:
- 48
- Group:
- test chemical
- Dose level:
- 60%
- No. with + reactions:
- 10
- Total no. in group:
- 10
- Remarks on result:
- other: Reading: 2nd reading. . Hours after challenge: 48.0. Group: test group. Dose level: 60 %. No with. + reactions: 10.0. Total no. in groups: 10.0.
- Reading:
- 2nd reading
- Hours after challenge:
- 48
- Group:
- test chemical
- Dose level:
- 30%
- No. with + reactions:
- 8
- Total no. in group:
- 10
- Remarks on result:
- other: other: Reading: 2nd reading. . Hours after challenge: 48.0. Group: test group. Dose level: 30 %. No with. + reactions: 8.0. Total no. in groups: 10.0.
- Reading:
- 1st reading
- Hours after challenge:
- 24
- Group:
- negative control
- Dose level:
- 60%
- No. with + reactions:
- 1
- Total no. in group:
- 5
- Remarks on result:
- other: Reading: 1st reading. . Hours after challenge: 24.0. Group: negative control. Dose level: 60 %. No with. + reactions: 1.0. Total no. in groups: 5.0
- Reading:
- 1st reading
- Hours after challenge:
- 24
- Group:
- negative control
- Dose level:
- 30%
- No. with + reactions:
- 0
- Total no. in group:
- 5
- Remarks on result:
- other: Reading: 1st reading. . Hours after challenge: 24.0. Group: negative control. Dose level: 30 %. No with. + reactions: 0.0. Total no. in groups: 5.0.
- Reading:
- 2nd reading
- Hours after challenge:
- 48
- Group:
- negative control
- Dose level:
- 60%
- No. with + reactions:
- 0
- Total no. in group:
- 5
- Remarks on result:
- other: Reading: 2nd reading. . Hours after challenge: 48.0. Group: negative control. Dose level: 60 %. No with. + reactions: 0.0. Total no. in groups: 5.0
- Reading:
- 2nd reading
- Hours after challenge:
- 48
- Group:
- negative control
- Dose level:
- 30%
- No. with + reactions:
- 0
- Total no. in group:
- 5
- Remarks on result:
- other: Reading: 2nd reading. . Hours after challenge: 48.0. Group: negative control. Dose level: 30 %. No with. + reactions: 0.0. Total no. in groups: 5.0
Any other information on results incl. tables
Maximum concentration not causing irritating effects in preliminary test: 60 %
Signs of irritation during induction:
Intradermal injections: Slight irritation was seen in test
and control animals.
Topical application: Slight erythema was seen in test and
control animals.
Evidence of sensitisation of each challenge concentration:
10/10 animals.
Applicant's summary and conclusion
- Interpretation of results:
- GHS criteria not met
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
