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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
2017-07-07
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2017
Report date:
2017

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
ISO 13320 (Particle size analysis - Laser diffraction methods)
Qualifier:
according to guideline
Guideline:
other: USP <429>
GLP compliance:
no
Type of method:
Laser scattering/diffraction
Type of particle tested:
primary particle
Type of distribution:
volumetric distribution

Test material

Constituent 1
Chemical structure
Reference substance name:
Sodium dicyanoamide
EC Number:
217-703-5
EC Name:
Sodium dicyanoamide
Cas Number:
1934-75-4
Molecular formula:
C2HN3.Na
IUPAC Name:
sodium dicyanamide
Test material form:
solid: particulate/powder
Details on test material:
The physical state of the test item at 20 °C and 101.3 kPa is solid (white powder).

Results and discussion

Particle sizeopen allclose all
Percentile:
D10
Mean:
ca. 8.4 µm
St. dev.:
1.3
Key result
Percentile:
D50
Mean:
ca. 27.1 µm
St. dev.:
4.5
Percentile:
D90
Mean:
ca. 270.2 µm
St. dev.:
140.7

Any other information on results incl. tables

Volume Distribution Q3

d10[µm]

d50[µm]

d90[µm]

 

6.861

22.19 

124.0

 

9.283

31.07

404.7

 

8.910

27.93

282.0

Mean:

8.351

27.06

270.2

Applicant's summary and conclusion

Conclusions:
The average particle size (volume distribution) of the test item is d10: 8 µm, d50: 27 µm and d90: 270 µm.
Executive summary:

The particle size distribution (volume distribution) of sodium dicyanoamide was measured by laser diffraction. The average of three measurements is: d10: 8 µm, d50: 27 µm and d90: 270 µm.