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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
test procedure in accordance with national standard methods with acceptable restrictions
Remarks:
no GLP, no guideline cited

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2004

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: SOP 224
Principles of method if other than guideline:
The particle size of the test item was determined by mechanical sieving.
GLP compliance:
no
Type of method:
sieving

Test material

Constituent 1
Chemical structure
Reference substance name:
Magnesium 2-oxopyrrolidine-5-carboxylate
EC Number:
227-392-8
EC Name:
Magnesium 2-oxopyrrolidine-5-carboxylate
Cas Number:
5819-47-6
Molecular formula:
Mg(C5H6NO3)2
IUPAC Name:
magnesium 2-oxopyrrolidine-5-carboxylate

Results and discussion

Particle size distribution at different passagesopen allclose all
No.:
#1
Size:
< 300 µm
Distribution:
93.8 %
Remarks on result:
other: Cumulative distribution (% by weight)
No.:
#2
Size:
< 150 µm
Distribution:
84.6 %
Remarks on result:
other: Cumulative distribution (% by weight)
No.:
#3
Size:
< 106 µm
Distribution:
77.2 %
Remarks on result:
other: Cumulative distribution (% by weight)
No.:
#4
Size:
< 90 µm
Distribution:
60.4 %
Remarks on result:
other: Cumulative distribution (% by weight)
No.:
#5
Size:
< 75 µm
Distribution:
46.8 %
Remarks on result:
other: Cumulative distribution (% by weight)
No.:
#6
Size:
< 63 µm
Distribution:
12.4 %
Remarks on result:
other: Cumulative distribution (% by weight)
No.:
#7
Size:
< 53 µm
Distribution:
2.2 %
Remarks on result:
other: Cumulative distribution (% by weight)

Applicant's summary and conclusion

Conclusions:
The median particle size of the test item ranged between 75 µm and 90 µm.