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EC number: 260-135-8 | CAS number: 56375-79-2
Viscosity
Administrative data
Link to relevant study record(s)
- Endpoint:
- viscosity
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 28-07-2018 – 28-07-2018
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Justification for type of information:
- Experimental test result performed using standard test guidelines
- Qualifier:
- according to guideline
- Guideline:
- OECD Test Guideline 114 (Viscosity of Liquids)
- Principles of method if other than guideline:
- The viscosity determination of Test item Tributylmethylammonium chloride (CAS No. 56375-79-2 )was done as per the test guideline OECD 114 using Redwood Viscometer No. 1
- GLP compliance:
- no
- Type of method:
- other: Redwood Viscometer No. 1
- Specific details on test material used for the study:
- - Name of test material : Tributylmethylammonium chloride
- Molecular formula : C13H30ClN
- Molecular weight : 235.84 g/mol
- Smiles notation : [N+](CCCC)(CCCC)(CCCC)C.[ClH-]
- InChl : 1S/C13H30N.ClH/c1-5-8-11-14(4,12-9-6-2)13-10-7-3;/h5-13H2,1-4H3;1H/q+1;/p-1
- Substance type : Organic
- Physical state : Liquid - Key result
- Temp.:
- 20°C
- Parameter:
- kinematic viscosity (in mm²/s)
- Value:
- 180.804
- Remarks on result:
- other: Highly viscous liquid hence required heating
- Key result
- Temp.:
- 40°C
- Parameter:
- kinematic viscosity (in mm²/s)
- Value:
- 46.93
- Remarks on result:
- other: Highly viscous liquid hence required heating
- Key result
- Temp.:
- 20°C
- Parameter:
- dynamic viscosity (in mPa s)
- Value:
- 175.886
- Remarks on result:
- other: Highly viscous liquid hence required heating
- Key result
- Temp.:
- 40°C
- Parameter:
- dynamic viscosity (in mPa s)
- Value:
- 45.654
- Remarks on result:
- other: Highly viscous liquid hence required heating
- Conclusions:
- Kinematic viscosity (experimental) of Tributylmethylammonium chloride (CAS No. 56375-79-2) at 20°C and 40°C is 180.8040 mm²/sec and 46.9300 mm²/s,respectively.
Dynamic viscosity (calculated) of Tributylmethylammonium chloride (CAS No. 56375-79-2) at 20°C and 40°C is 175.8861mPa.S and 45.6535mPa.S, respectively. - Executive summary:
The viscosity determination of Test item Tributylmethylammonium chloride (CAS No. 56375-79-2 )was done as per the test guideline OECD 114 using Redwood Viscometer No. 1. Kinematic viscosity (experimental) of Test item at 20°C and 40°C is 180.8040 mm²/sec and 46.9300 mm²/s, respectively. Dynamic viscosity (calculated) of Test item at 20°C and 40°C is 175.8861 mPa.S and 45.6535 mPa.S, respectively.
Reference
Name of the Test |
Details |
Readings |
|
Viscosity |
Guideline |
OECD - 114 |
|
Method of measurement |
Redwood Viscometer No. -1 |
|
|
Principle of method |
Measurement of resistance to flow using RedwoodViscometer No. 1 |
|
|
Temperature at which the testing is done |
20 °C and 40 °C |
|
|
Observations |
Time taken to fill 50ml flask at 20 °C in ‘Sec’ (Mean Value) |
732 sec |
|
|
Time taken to fill 50ml at 40 °C flask in ‘Sec’ (Mean Value) |
190 sec |
|
|
Density of fluid in gm/cc |
0.9728gm/cc |
|
1. Calculation of Kinematic Viscosities:
For Test Temperature at 20°C
ν=ct
= 732 × 0.247sec
= 180.8040mm²/sec
For Test Temperature at 40°C
ν=ct
= 190 × 0.247sec
= 46.9300 mm²/sec
2. Calculation of Dynamic Viscosities:
For Test Temperature at 20°C
ν= η/ρ
180.8040 =η 0.9728
η = 180.8040 x 0.9728
= 175.8861 mPa.S
For Test Temperature at 40°C
ν= η/ρ
46.9300 =η/ 0.9728
η = 46.9300 x 0.9728
= 45.6535 mPa.S
Description of key information
Kinematic viscosity (experimental) of Tributylmethylammonium chloride (CAS No. 56375-79-2) at 20°C and 40°C is 180.8040 mm²/sec and 46.9300 mm²/s,respectively.
Dynamic viscosity (calculated) of Tributylmethylammonium chloride (CAS No. 56375-79-2) at 20°C and 40°C is 175.8861mPa.S and 45.6535mPa.S, respectively.
Key value for chemical safety assessment
- Viscosity:
- 180.804 mm²/s (static)
- at the temperature of:
- 20 °C
Additional information
The viscosity determination of Test item Tributylmethylammonium chloride (CAS No. 56375-79-2 )was done as per the test guideline OECD 114 using Redwood Viscometer No. 1. Kinematic viscosity (experimental) of Test item at 20°C and 40°C is 180.8040 mm²/sec and 46.9300 mm²/s, respectively. Dynamic viscosity (calculated) of Test item at 20°C and 40°C is 175.8861 mPa.S and 45.6535 mPa.S, respectively.
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