Registration Dossier
Registration Dossier
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EC number: 932-124-4 | CAS number: -
Additional physico-chemical information
Administrative data
- Endpoint:
- other: determination of dustiness
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Meets generally accepted scientific standards, well documented and acceptable for assessment
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 010
- Report date:
- 2010
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: DIN 55992-1:2006 ("Determination of a parameter for the dust formation of pigments and extenders - Part 1: Rotation method")
- Deviations:
- no
- Principles of method if other than guideline:
- Examinations were performed to determine the dustiness of a substance sample designated as "Calcium carbonate - Sugar Factory Lime (bulk)". The objective of these examinations was to determine the dust fractions of this substance.
- GLP compliance:
- no
Test material
- Reference substance name:
- Calcium dihydroxide precipitated with carbon dioxide during sugar juice purification
- EC Number:
- 932-124-4
- IUPAC Name:
- Calcium dihydroxide precipitated with carbon dioxide during sugar juice purification
- Details on test material:
- Substance name: Calcium carbonate - Sugar Factory Lime (bulk)
Product name: Sugar Factory Lime
CAS/ No: 471-34-1
EINECS No: 207-439-9
Appearance: light brown powder, weak characteristic odour
Molecular formula: CaCO3
Relative density: 2.7-2.9 (2.73 g/cm3 literature)
Substance humidity: 27.75% (measured by DMT)
Expiry date/ Stability: Stable when handled and stored correctly.
Storage condition: Store in a dry place. Store product closed and only in original packing.
Constituent 1
Results and discussion
- Results:
- Total dustiness [mg/g] = 7.85
Inhalable fraction [mg/g] = 4.45
Thoracic fraction [mg/g] = 0.20
Respirable fraction [mg/g] = 0.01
Any other information on results incl. tables
Table 2: Experimental results
Quantity of substance used [g] |
100 |
Total dust mass in impactor [mg] |
784.87 |
Dust concentration in impactor [mg/m³] |
3956.44 |
Total dustiness [mg/g] |
7.85 |
Inhalable fraction [mg/g] |
4.45 |
Thoracic fraction [mg/g] |
0.20 |
Respirable fraction [mg/g] |
0.01 |
Applicant's summary and conclusion
- Conclusions:
- The dustiness of calcium carbonate - sugar factory lime (bulk) has been determined as follows:
Total dustiness [mg/g] = 7.85
Inhalable fraction [mg/g] = 4.45
Thoracic fraction [mg/g] = 0.20
Respirable fraction [mg/g] = 0.01
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