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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
2019
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2019
Report date:
2019

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:
OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions - Method A: Particle Size Distribution (effective hydrodynamic radius)
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.7520 (Particle Size, Fiber Length, and Diameter Distribution)
Qualifier:
according to guideline
Guideline:
other: CIPAC MT 187 (2009): Particle Size Analysis by Laser Diffraction
GLP compliance:
yes (incl. QA statement)
Type of method:
Laser scattering/diffraction

Test material

Constituent 1
Chemical structure
Reference substance name:
-
EC Number:
444-240-8
EC Name:
-
Cas Number:
302933-83-1
Molecular formula:
C55-n H95.5-2n N7 013 Na1.5 (n-0-6) molecular weight: 1097-l4n (n=0-6)
IUPAC Name:
Sodium surfactin
Test material form:
solid: particulate/powder
Specific details on test material used for the study:
SF-S10

Results and discussion

Mass median aerodynamic diameter:
ca. 9.7 µm
Particle size
Key result
Percentile:
D50
Mean:
ca. 8.7 µm
St. dev.:
0.22

Applicant's summary and conclusion

Conclusions:
Sodium surfactin has a medium particle size of 8.7 µm.
Executive summary:

Sodium surfactin has a medium particle size of 8.7 µm, which was determined by laser diffraction measurement.