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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 423-730-5 | CAS number: 250688-43-8
Appearance / physical state / colour
Administrative data
- Endpoint:
- appearance / physical state / colour
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2020
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- study well documented, meets generally accepted scientific principles, acceptable for assessment
Data source
Reference
- Reference Type:
- other company data
- Title:
- Unnamed
- Year:
- 2 020
Materials and methods
Test guideline
- Qualifier:
- no guideline followed
- Guideline:
- other: expert judgment
- Principles of method if other than guideline:
- visual judgment of an expert
- GLP compliance:
- no
Test material
- Reference substance name:
- -
- EC Number:
- 423-730-5
- EC Name:
- -
- Cas Number:
- 250688-43-8
- Molecular formula:
- C18H15N3Na2O9S3
- IUPAC Name:
- Disodium 4-amino-3-[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-1-sulfonate
- Test material form:
- solid: particulate/powder
Constituent 1
Results and discussion
- Physical state at 20°C and 1013 hPa:
- solid
Form / colour / odour
- Form:
- solid: particulate/powder
- Colour:
- Orange
- Odour:
- odourless
- Substance type:
- organic
Applicant's summary and conclusion
- Conclusions:
- organic solid powder dye
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.
