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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
September 2017 to January 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 guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
other: CIPAC MT 187
Deviations:
no
Qualifier:
according to guideline
Guideline:
OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions - Method A: Particle Size Distribution (effective hydrodynamic radius)
Deviations:
no
Qualifier:
according to guideline
Guideline:
ISO 13320 (Particle size analysis - Laser diffraction methods)
Principles of method if other than guideline:
Laser diffraction
GLP compliance:
yes (incl. QA statement)
Type of method:
Laser scattering/diffraction
Type of particle tested:
primary particle
Type of distribution:
volumetric distribution

Test material

Constituent 1
Reference substance name:
2-Methyl-4-Isothiazolin-3-One Hydrochloride
Cas Number:
26172-54-3
Molecular formula:
C4H5NOS.HCl
IUPAC Name:
2-Methyl-4-Isothiazolin-3-One Hydrochloride
Test material form:
solid
Details on test material:
MIT.HCl as manufacured has a purity of >99.9% therefore the technical grade and analytical grade are identical
Specific details on test material used for the study:
Batch Number 10013913, Purity >99.9%, Expiry Date 30 November 2018
Analytical grade and technical grade material are identical

Results and discussion

Mass median aerodynamic diameter:
ca. 105 µm
Geometric standard deviation:
ca. 3.7
Particle size
Key result
Percentile:
D50
Mean:
ca. 105.4 µm
St. dev.:
3.7

Applicant's summary and conclusion

Conclusions:
The median particle size L50 of the test item deduced from the particle size distributions was:
105.0 µm.
The GSD deduced from these distributions was:
σg = 3.7