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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.

Diss Factsheets

Physical & Chemical properties

Particle size distribution (Granulometry)

Administrative data

Endpoint:
particle size distribution (granulometry)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2010
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2010
Report date:
2010

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: company SOP. particle size distribution
Deviations:
not specified
Principles of method if other than guideline:
Apparatus: Malvern Mastersizer 2000; unit Scirocco 2000
GLP compliance:
no
Type of distribution:
volumetric distribution

Test material

Constituent 1
Chemical structure
Reference substance name:
Methyl hydrogen 2-nitroterephthalate
EC Number:
252-360-5
EC Name:
Methyl hydrogen 2-nitroterephthalate
Cas Number:
35092-89-8
Molecular formula:
C9H7NO6
IUPAC Name:
4-(methoxycarbonyl)-3-nitrobenzoic acid
Details on test material:
purity: 99.18 %

Results and discussion

Particle sizeopen allclose all
Percentile:
D50
Mean:
94 µm
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
Percentile:
D10
Mean:
6.7 µm
St. dev.:
0.3
Percentile:
D50
Mean:
94 µm
St. dev.:
12
Percentile:
D90
Mean:
560 µm
St. dev.:
130

Applicant's summary and conclusion

Conclusions:
The mass median diameter of the test substance, determined with the apparatus Malvern Mastersizer 2000; unit Scirocco 2000 is 94 µm.