Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
23 Oct 2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2018
Report date:
2018

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
ISO 13320 (Particle size analysis - Laser diffraction methods)
Version / remarks:
2009
GLP compliance:
no
Type of method:
Laser scattering/diffraction
Type of distribution:
volumetric distribution

Test material

Constituent 1
Chemical structure
Reference substance name:
Sodium hydroxymethanesulphonate
EC Number:
212-800-9
EC Name:
Sodium hydroxymethanesulphonate
Cas Number:
870-72-4
Molecular formula:
CH3O4S.Na
IUPAC Name:
sodium hydroxymethanesulfonate

Results and discussion

Particle sizeopen allclose all
Percentile:
D10
Mean:
51 µm
St. dev.:
5.5
Percentile:
D50
Mean:
254.3 µm
St. dev.:
14.2
Percentile:
D90
Mean:
738.1 µm
St. dev.:
40.1

Any other information on results incl. tables

The volume percentages of D(10)-, D(50)- and D(90)- values, resulting from three single measurement, and their arithmetic averages are listed in the following table.

 

Sample

D(10)

(in µm)

D(50)

(in µm)

D(90)

(in µm)

Sample A

44.98422

245.71605

721.4689

Sample B

52.09584

246.61530

709.1114

Sample C

55.81855

270.70102

783.8203

Arithmetic average

51.0

254.3

738.1

Standard deviation

5.5

14.2

40.1

 

Applicant's summary and conclusion