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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
other information
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: Secondary source only

Data source

Reference
Reference Type:
secondary source
Title:
European Union Risk assessment Report Monochloroacetic acid (MCAA), Vol 52
Author:
European Chemicals Bureau, Institute for Health and Consumer Protection, Reporting Member State: The Netherlands
Year:
2005
Bibliographic source:
Luxembour: Office for Official Publications of the European Communities, 2005, EUR 21403 EN

Materials and methods

Principles of method if other than guideline:
Determined by sieving
GLP compliance:
not specified
Type of distribution:
volumetric distribution

Test material

Constituent 1
Chemical structure
Reference substance name:
Chloroacetic acid
EC Number:
201-178-4
EC Name:
Chloroacetic acid
Cas Number:
79-11-8
Molecular formula:
C2H3ClO2
IUPAC Name:
chloroacetic acid
Test material form:
solid: flakes
Details on test material:
- Name of test material (as cited in study report): 2-Chloro-ethanoic acid
- Molecular formula (if other than submission substance): C2H3ClO2
- Molecular weight (if other than submission substance): 94.5 g/mol
- Analytical purity: >99%
- Impurities (identity and concentrations): dichloroacetic acid (CAS 79-43-6): <0.3%; acetic acid (CAS 64-19-7): <0.2%; Fe (CAS 7439-89-6): <0.0005%; Pb (CAS 7439-92-1): <0.0001%

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.
Particle size distribution at different passagesopen allclose all
No.:
#1
Size:
< 1 000 µm
Distribution:
8.5 %
No.:
#2
Size:
1 000 - 3 150 µm
Distribution:
18.6 %
No.:
#3
Size:
3 150 - 6 300 µm
Distribution:
42.5 %
No.:
#4
Size:
6 300 - 10 000 µm
Distribution:
23.9 %
No.:
#5
Size:
> 10 000 µm
Distribution:
6.5 %

Applicant's summary and conclusion