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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 231-953-2 | CAS number: 7782-40-3
Appearance / physical state / colour
Administrative data
- Endpoint:
- appearance / physical state / colour
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2009-11-02
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 009
- Report date:
- 2009
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: Sn320-4.19.01 SEM – Scanning Electron Microscope Joel 5900
- Deviations:
- no
- GLP compliance:
- no
Test material
- Reference substance name:
- Diamond
- EC Number:
- 231-953-2
- EC Name:
- Diamond
- Cas Number:
- 7782-40-3
- Molecular formula:
- C
- IUPAC Name:
- carbon
- Details on test material:
- Materials : Synthetic Diamond Grade2 (2micron) Powder.
Batch Number : 135-200-0125-99 E634%Cu33%WT33% REACH
Physical State: solid
Density: 3.52 g/cm3
Purity: > 95 %
Constituent 1
Results and discussion
- Physical state at 20°C and 1013 hPa:
- solid
Form / colour / odour
- Form:
- crystalline
- Colour:
- The diamond powder is normally yellow but will vary due to the coating on the diamond. If coated with nickel the powder will be grey powder. If coated with copper the powder will be a salmon pink colour.
- Odour:
- odourless
- Substance type:
- inorganic
Applicant's summary and conclusion
- Conclusions:
- The test item consists of uniformly sized, angular/globular particles.
No whiskers have been identified in the test item (whiskers are short, discontinuous, rod- or needle-shaped single crystals in the size range 0.1-5µm in diameter and >5µm in length (Definition from: T.N. Tiegs, S.C. Weaver, Whiskers and Platelet Synthesis Processes. Carbide, Nitride and Boride Materials Synthesis and Processing, chapter 16, A.W. Weimer (ed.), Chapman & Hall, London, 1997))
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.
