Registration Dossier
Registration Dossier
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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.
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EC number: 306-764-4 | CAS number: 97404-02-9
Appearance / physical state / colour
Administrative data
- Endpoint:
- appearance / physical state / colour
- Type of information:
- experimental study
- Adequacy of study:
- weight of evidence
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- study well documented, meets generally accepted scientific principles, acceptable for assessment
- Justification for type of information:
- Weight of evidence from several studies. See particle size distibution and characterisation for physical state. Colour is assessed visually in characterisation and supported by multiple physical chemistry studies.
Data source
Materials and methods
Test guideline
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- Weight of evidence from several studies. See melting point, particle size distibution and characterisation for physical state. Colour is assessed visually in characterisation and supported by multiple physical chemistry studies.
Test material
- Reference substance name:
- 2-[(4-aminophenyl)azo]-1,3-dimethyl-1H-imidazolium chloride
- EC Number:
- 306-764-4
- EC Name:
- 2-[(4-aminophenyl)azo]-1,3-dimethyl-1H-imidazolium chloride
- Cas Number:
- 97404-02-9
- Molecular formula:
- C11H14N5.Cl
- IUPAC Name:
- 2-[(1E)-2-(4-aminophenyl)diazen-1-yl]-1,3-dimethyl-2,3-dihydro-1H-imidazol-1-ium chloride
- Test material form:
- solid: particulate/powder
- Details on test material:
- See individual study reports for purity information and CofA where applicable
Constituent 1
Results and discussion
- Physical state at 20°C and 1013 hPa:
- solid
Form / colour / odour
- Form:
- solid: particulate/powder
- Colour:
- Brown, Purple, Dark red
- Substance type:
- organic
Applicant's summary and conclusion
- Conclusions:
- The substance is manufactured as a powdered solid and is described as being Brown, Purple or Dark Red in colour.
- Executive summary:
The substance is manufactured as a powdered solid and is described as being Brown, Purple or Dark Red in colour.
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.
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