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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.
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EC number: 201-248-4 | CAS number: 80-08-0
Appearance / physical state / colour
Administrative data
Link to relevant study record(s)
- Endpoint:
- appearance / physical state / colour
- Type of information:
- other: visual evaluation
- Adequacy of study:
- key study
- Study period:
- 2011
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with generally accepted scientific standards and described in sufficient detail
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- visual evaluation of the substance upon arrival at GLP test facility performed by trained personnel
- GLP compliance:
- not specified
- Physical state at 20°C and 1013 hPa:
- solid
- Form:
- solid: bulk
- Colour:
- white to off-white
- Odour:
- other: not determined
- Conclusions:
- The substance was evaluated to be a white to off-white powder under ambient conditions.
- Executive summary:
The substance was evaulated using visual inspecation only. No guideline was followed but inspection was made upon arrival of the test item at a GLP facility.
The substance is an off-white powder under ambient conditions.
Reference
Description of key information
Dapsone is a crystalline white to off-white powder with no detectable odor.
Key value for chemical safety assessment
- Physical state at 20°C and 1013 hPa:
- solid
- Colour:
- white
Additional information
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.
