Registration Dossier
Registration Dossier
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EC number: 209-151-9 | CAS number: 557-05-1
Dissociation constant
Administrative data
Link to relevant study record(s)
- Endpoint:
- dissociation constant
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 21.05.2013 - 25.05.2013
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with national standard methods
- Justification for type of information:
- Experimental test result performed using standard test guidelines
- Qualifier:
- according to guideline
- Guideline:
- other: as mention below
- Principles of method if other than guideline:
- Measurement of capacity of a compound to dissociate into respective ions.
- GLP compliance:
- no
- Specific details on test material used for the study:
- - Name of test material : Zinc distearate
- Molecular formula: C36H70O4Zn
- Molecular weight: 632.335 g/mol
- SMILES: CCCCCCCCCCCCCCCCCC(=O)[O-].CCCCCCCCCCCCCCCCCC(=O)[O-].[Zn+2]
- InChI: 1S/2C18H36O2.Zn/c2*1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20;/h2*2-17H2,1H3,(H,19,20);/q;;+2/p-2
- Substance type: Organic
- Physical state: Solid
- Batch no.: L216551704
- Purity: 11.10% (as zinc)
- Physical Appearance: Fine white amorphous powder
- Stability: Stable in recommended storage conditions
- Storage Conditions: 1. Ambient Temp (23 to 27 °C) √ (Store in a cool place. Keep containers tightly closed in a dry and well ventilated place) - Dissociating properties:
- yes
- No.:
- #1
- pKa:
- 0
- Temp.:
- 37 °C
- Remarks on result:
- other: 0.1001 x 10-12 = 0.0000000000001001
- No.:
- #2
- pKa:
- 0
- Temp.:
- 37 °C
- Remarks on result:
- other: 0.1000 x 10-12 = 0.0000000000001
- No.:
- #3
- pKa:
- 0
- Temp.:
- 37 °C
- Remarks on result:
- other: 0.1002 x 10-12 = 0.0000000000001002
- Conclusions:
- The experimental pKa value for Zinc distearate was determine to be 0.0000000000001001 (average pKa value) at 37 deg C indicating that the chemical has dissociation properties.
- Executive summary:
The experimental pKa value for Zinc distearate was determine to be 0.0000000000001001 (average pKa value) at 37 deg C indicating that the chemical has dissociation properties.
Reference
Description of key information
The experimental pKa value for Zinc distearate was determine to be 0.0000000000001001 (average pKa value) at 37 deg C indicating that the chemical has dissociation properties
Key value for chemical safety assessment
Additional information
The experimental pKa value for Zinc distearate was determine to be 0.0000000000001001 (average pKa value) at 37 deg C indicating that the chemical has dissociation properties
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