Registration Dossier
Registration Dossier
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EC number: 807-702-3 | CAS number: 3225-26-1
Density
Administrative data
- Endpoint:
- density
- Remarks:
- Density types indicated (migrated information): pour density; tap density
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: OECD guideline study, conducted to a high standard but not certified as being to GLP.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 015
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 109 (Density of Liquids and Solids)
- Deviations:
- no
- GLP compliance:
- no
- Type of method:
- other: Pour and tap densities for solids
Test material
- Reference substance name:
- 1-hydroxy-2,2,6,6-tetramethylpiperidin-4-yl benzoate
- EC Number:
- 807-702-3
- Cas Number:
- 3225-26-1
- Molecular formula:
- C16H22NO3
- IUPAC Name:
- 1-hydroxy-2,2,6,6-tetramethylpiperidin-4-yl benzoate
- Test material form:
- solid: crystalline
- Details on test material:
- - Material name: 4-hydroxyTEMPObenzoate
- Physical state: solid.
- Analysis date: 18th December 2014
- Analytical purity: 95.7 %.
- Impurities (identity and concentrations): triethylamine (0.56 %); 4-hydroxy TEMPO (0.8 %); deoxygenated benzoyl TEMPO (0.21 %); benzoic acid anhydride (1.48 %).
- Composition of test material, percentage of components: 95.7 % benzoyl TEMPO.
- Isomers composition: not applicable.
- Purity test date: 18 December 2014.
- Lot/batch No.: GP209
- Manufacturing date: 15/12/2014
- Expiration / re-test date of the lot/batch: 15/12/2015
- Stability under test conditions: stable.
- Storage condition of test material: Store in sealed container in cool dry place, away from heat and sunlight.
Constituent 1
Results and discussion
Densityopen allclose all
- Type:
- pour density
- Density:
- 0.4 g/L
- Temp.:
- 20 °C
- Type:
- tap density
- Density:
- 0.55 g/L
- Temp.:
- 20 °C
Applicant's summary and conclusion
- Executive summary:
The average pour density of benzoyl TEMPO is 0.400 g/mL
The average tap density of benzoyl TEMPO is 0.550 g/mL
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