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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 215-168-2 | CAS number: 1309-37-1
Appearance / physical state / colour
Administrative data
Link to relevant study record(s)
- Endpoint:
- appearance / physical state / colour
- Type of information:
- other: expert judgement based on available data
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- data from handbook or collection of data
- Principles of method if other than guideline:
- expert judgement based on available data
- GLP compliance:
- no
- Physical state at 20°C and 1013 hPa:
- solid
- Form:
- nanomaterial
- Colour:
- red
- Odour:
- odourless
- Form:
- powder
- Colour:
- red
- Odour:
- odourless
- Substance type:
- inorganic
- Conclusions:
- Diiron trioxide is an inorganic solid and exists in two forms: powder and nanoform.
- Executive summary:
red, odourless and inorganic solid
Reference
Description of key information
Diiron trioxide is a red, crystalline, odourless inorganic solid.
It exists in two forms: powder and nanomaterial.
Key value for chemical safety assessment
- Physical state at 20°C and 1013 hPa:
- solid
- Form:
- solid
- Colour:
- red
Additional information
Based on measurements concerning particle size distribution diiron trioxide exists in two forms: powder and nanomaterial.
For the differentiation of nanomaterial from non-nanomaterial, the following terms are used:
Substantive: nanomaterial or powder
Adjective: nano-sized or micro-sized
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.
