Registration Dossier
Registration Dossier
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EC number: 248-373-0 | CAS number: 27253-31-2
Viscosity
Administrative data
- Endpoint:
- viscosity
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- documentation insufficient for assessment
- Remarks:
- no detailed description of the method, only the principe was described, no data for purity and stability
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 012
Materials and methods
Test guideline
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- Principle :
This method describes the principle of determining the Brookfield viscosity of liquid at a given temperature (generally 20° C). This method is applicable to our liquid products (metal salts) and our liquid raw materials. The temperature of the sample must be maintained within ± 0.5 °C.
Turn on the temperature control bath and the viscometer 10 minutes before the analysis. The viscometer performs an auto-zero each time it is turned on. Pour the sample to analyze into a 600 mL beaker, enough to cover the mark on the spindle. Place the beaker with the product in the bath, then the caliper and the selected spindle.
If the viscosity of the product is unknown :
Set the speed to the slowest speed. Attach the smallest spindle ( LV N°4). Lower the spindle and the caliper into the product to the mark on the spindle and be careful that there are no air bubbles on the spindle while lowering it. If there are some bubbles, remove the spindle, leave it in the product, and shake it until the bubbles disappear. Attach the spindle again. Adjust the level of the viscometer. Turn on the motor. - GLP compliance:
- not specified
- Type of method:
- rotational viscometer (dynamic)
Test material
- Reference substance name:
- Neodecanoic acid, cobalt salt
- EC Number:
- 248-373-0
- EC Name:
- Neodecanoic acid, cobalt salt
- Cas Number:
- 27253-31-2
- Molecular formula:
- Molecular and structural formula as well as molecular weight are not applicable to a UVCB substance.
- IUPAC Name:
- λ²-cobalt(2+) bis(2,2-dimethyloctanoate)
- Reference substance name:
- 68956-82-1
- Cas Number:
- 68956-82-1
- IUPAC Name:
- 68956-82-1
- Test material form:
- not specified
- Details on test material:
- - Material Code: Neoco 145
- Material Designation: Cobalt neodecanoate
Constituent 1
Constituent 2
Results and discussion
Viscosityopen allclose all
- Temp.:
- other: 111.0°C
- Parameter:
- other: Po
- Value:
- 116
- Temp.:
- other: 100.0°C
- Parameter:
- other:
- Value:
- 220
- Temp.:
- other: 97.0°C
- Parameter:
- other: Po
- Value:
- 357
- Temp.:
- other: 90.0°C
- Parameter:
- other: Po
- Value:
- 526
- Temp.:
- other: 85.0°C
- Parameter:
- other: Po
- Value:
- 672
- Temp.:
- other: 80.0°C
- Parameter:
- other: Po
- Value:
- 848
- Temp.:
- other: 75.0°C
- Parameter:
- other: Po
- Value:
- 1 180
Applicant's summary and conclusion
- Conclusions:
- Temperature Viscosity
111°C 116 Po
100°C 220 Po
97°C 357 Po
90°C 526 Po
85°C 672 Po
80°C 848 Po
75°C 1180 Po
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