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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
other: scientifically acceptable method with basic data given

Data source

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

Materials and methods

Test guideline
Guideline:
other: sceen analysis with a ASTM 106 µm sieve
Principles of method if other than guideline:
10 g of the testsubstnce was sceened with ASTM sieve (mesh size 106 µm).
GLP compliance:
no
Type of distribution:
volumetric distribution

Test material

Constituent 1
Chemical structure
Reference substance name:
1,3-dimethylurea
EC Number:
202-498-7
EC Name:
1,3-dimethylurea
Cas Number:
96-31-1
Molecular formula:
C3H8N2O
IUPAC Name:
1,3-dimethylurea

Results and discussion

Particle size
Percentile:
D50
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.

Any other information on results incl. tables

The substance has virtually no particles < 106 µm.

Applicant's summary and conclusion