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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 202-429-0 | CAS number: 95-53-4
Monitoring data
Administrative data
- Endpoint:
- monitoring data
- Type of information:
- experimental study
- Adequacy of study:
- other information
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Acceptable, well documented publication which meets basic scientific principles
Data source
Referenceopen allclose all
- Reference Type:
- publication
- Title:
- Aromatic amines in surface waters of the Netherlands
- Author:
- Wegman R and De Korte G
- Year:
- 1 981
- Bibliographic source:
- Water Res. 15, 391-394
- Reference Type:
- secondary source
- Title:
- o-TOLUIDINE CAS No: 95-53-4 SIDS Initial Assessment Report.
- Author:
- OECD
- Year:
- 2 005
- Bibliographic source:
- UNEP Publications
Materials and methods
- Principles of method if other than guideline:
- GC, photometry
- GLP compliance:
- not specified
- Type of measurement:
- background concentration
- Media:
- surface water
Test material
- Reference substance name:
- o-toluidine
- EC Number:
- 202-429-0
- EC Name:
- o-toluidine
- Cas Number:
- 95-53-4
- Molecular formula:
- C7H9N
- IUPAC Name:
- 2-methylaniline
- Details on test material:
- - Name of test material (as cited in study report): 2-Methylaniline
-Purity: not applicable (concentration in tributaries of the River Rhine was measured as part of the study)
Constituent 1
Study design
- Details on sampling:
- In 1979, 92 surface water samples were taken at 5 sampling sites of the river Rhine and tributaries.
The samples were collected by means of a "grab sample".
Results and discussion
Concentrationopen allclose all
- Country:
- Netherlands (the)
- Location:
- Rhine (Lobith)
- Substance or metabolite:
- substance
- Remarks:
- o-toluidine
- Conc.:
- 0.03 µg/L
- Remarks on result:
- other: weekly sampling; 46 samples; Freq TS: 6
- Country:
- Netherlands (the)
- Location:
- Boven Merwede (Rhine tributary)
- Substance or metabolite:
- substance
- Remarks:
- o-toluidine
- Conc.:
- 0.07 µg/L
- Remarks on result:
- other: monthly sampling; 12 samples; Freq TS: 8
- Country:
- Netherlands (the)
- Location:
- Ijssel (Rhine tributary)
- Substance or metabolite:
- substance
- Remarks:
- o-toluidine
- Conc.:
- 0.2 µg/L
- Remarks on result:
- other: monthly sampling; 13 samples; Freq TS: 8
Any other information on results incl. tables
Applicant's summary and conclusion
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.
