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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 271-878-2 | CAS number: 68610-86-6
Particle size distribution (Granulometry)
Administrative data
- Endpoint:
- particle size distribution (granulometry)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- April 8, 2003
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Valid method
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 003
- Report date:
- 2003
Materials and methods
- Principles of method if other than guideline:
- Malvern laser diffraction
- Type of distribution:
- volumetric distribution
Test material
- Reference substance name:
- Butanamide, 2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[3-oxo-, N,N'-bis(o-anisyl and 2,4-xylyl) derivs.
- EC Number:
- 271-878-2
- EC Name:
- Butanamide, 2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[3-oxo-, N,N'-bis(o-anisyl and 2,4-xylyl) derivs.
- Cas Number:
- 68610-86-6
- Molecular formula:
- C36H34Cl2N6O4 // C35H32Cl2N6O4 // C34H30Cl2N6O6
- IUPAC Name:
- 2-[(1E)-2-{3,3'-dichloro-4'-[(1E)-2-{1-[(2,4-dimethylphenyl)carbamoyl]-2-oxopropyl}diazen-1-yl]-[1,1'-biphenyl]-4-yl}diazen-1-yl]-N-(2,4-dimethylphenyl)-3-oxobutanamide; 2-[(1E)-2-{3,3'-dichloro-4'-[(1E)-2-{1-[(2,4-dimethylphenyl)carbamoyl]-2-oxopropyl}diazen-1-yl]-[1,1'-biphenyl]-4-yl}diazen-1-yl]-N-(2-methoxyphenyl)-3-oxobutanamide; 2-[(1E)-2-{3,3'-dichloro-4'-[(1E)-2-{1-[(2-methoxyphenyl)carbamoyl]-2-oxopropyl}diazen-1-yl]-[1,1'-biphenyl]-4-yl}diazen-1-yl]-N-(2-methoxyphenyl)-3-oxobutanamide
Constituent 1
Results and discussion
Particle sizeopen allclose all
- Percentile:
- D50
- Mean:
- 6 µm
- Remarks on result:
- other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
- Percentile:
- D50
- Mean:
- 6 µm
- St. dev.:
- 0.78
Any other information on results incl. tables
Standard deviation calculated from experience with pigments: 0.13 x D50 (minimum value: 0.1)
Applicant's summary and conclusion
- Conclusions:
- The mass median diameter is 6 µm.
- Executive summary:
- The mass median diameter using Malvern laser diffraction (volumetric distribution) was determined to be 6 µm.
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.
