Registration Dossier
Registration Dossier
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EC number: 243-077-8 | CAS number: 19455-20-0
Particle size distribution (Granulometry)
Administrative data
- Endpoint:
- particle size distribution (granulometry)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 18 March 2019
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 019
- Report date:
- 2019
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions) - Method B: Fibre Length and Diameter Distributions
- Deviations:
- no
- 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
- Reference substance name:
- Potassium isobutyrate
- EC Number:
- 243-077-8
- EC Name:
- Potassium isobutyrate
- Cas Number:
- 19455-20-0
- Molecular formula:
- C4H8O2.K
- IUPAC Name:
- potassium 2-methylpropanoate
- Test material form:
- solid: particulate/powder
Constituent 1
- Specific details on test material used for the study:
- SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material: Sponsor / 181101001
- Expiration date of the lot/batch: 31/10/2020
- Purity test date: 03/12/2018
STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: Room Temperature (20 ± 5 °C); Keep away from humidity
- Stability under test conditions: stable
Results and discussion
Particle size
- Key result
- Percentile:
- D50
- Mean:
- 150 µm
- St. dev.:
- 2.37
Applicant's summary and conclusion
- Conclusions:
- The test item Potassium isobutyrate has a median particle size D50 = 105 µm, which was determined by laser diffraction measurement according to OECD Test Guideline 110 (1981), ISO 13320 (2009) and EPA OCSPP Guideline 830.7520 (1996).
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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