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Dissociation constant

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Reference
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:
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.

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