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Viscosity

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Reference
Endpoint:
viscosity
Type of information:
experimental study
Adequacy of study:
key study
Study period:
27-09-2017 – 27-09-2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Justification for type of information:
Experimental test result performed using standard OECD test guidelines
Qualifier:
according to guideline
Guideline:
OECD Test Guideline 114 (Viscosity of Liquids)
Principles of method if other than guideline:
Measurement of resistance to flow 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:
- IUPAC Name: (2R,5S)-5-methyl-2-(propan-2-yl)cyclohexan-1-one- Common Name: Menthone/ trans-menthone- InChI: 1S/C10H18O/c1-7(2)9-5-4-8(3)6-10(9)11/h7-9H,4-6H2,1-3H3- Smiles:C1([C@@H](CC[C@@H](C1)C)C (C)C)=O- Molecular formula:C10H18O - Molecular weight :154.2512 g/mole- Substance type: Organic- Physical state: Clear liquid (colourless to yellowish)- Purity: 98% (by GC)
Key result
Temp.:
20°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
18.559
Remarks on result:
other: no other details mentioned
Key result
Temp.:
40°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
16.79
Remarks on result:
other: no other details mentioned
Key result
Temp.:
20°C
Parameter:
dynamic viscosity (in mPa s)
Value:
18.491
Remarks on result:
other: no other details mentioned
Key result
Temp.:
40°C
Parameter:
dynamic viscosity (in mPa s)
Value:
16.728
Remarks on result:
other: no other details mentioned

TEST DESCRIPTION AND RESULT

Method Details

Observations

Remarks if, any

Guideline

OECD 114

 

 

Method of measurement

Redwood Viscometer No. -1

 

Principle of method

The flow of test item under gravity through a capillary using Redwood Viscometer No. 1

 

Temperature at which the testing was done

20°C and 40°C

 

Observations

Time taken to fill 50ml flask at 20°C in ‘Sec’ (Mean Value)

70.3 sec

Time taken to fill 50ml at 40°C flask in ‘Sec’ (Mean Value)

63.6 sec

Density of fluid in gm/cc

0.9963 gm/cc
Conclusions:
Kinematic viscosity (experimental) of trans-menthone ( CAS No. 89-80-5) at 20°C and 40°C is 18.5592 mm²/sec and 16.7904 mm²/s, respectively.Dynamic viscosity (calculated) of trans-menthone (CAS No. 89-80-5) at 20°C and 40°C is 18.4905 mPa.S and 16.7282 mPa.S, respectively.
Executive summary:

The viscosity determination of Test item trans-menthone (CAS No. 89-80-5 )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 18.5592 mm²/sec and 16.7904 mm²/s, respectively. Dynamic viscosity (calculated) of Test item at 20°C and 40°C is 18.4905 mPa.S and 16.7282 mPa.S, respectively.

Description of key information

Kinematic viscosity (experimental) of trans-menthone (CAS No. 89-80-5) at 20°C and 40°C is 18.5592 mm²/sec and 16.7904 mm²/s, respectively. Dynamic viscosity (calculated) of trans-menthone (CAS No. 89-80-5) at 20°C and 40°C is 18.4905 mPa.S and 16.7282 mPa.S, respectively.

Key value for chemical safety assessment

Viscosity:
18.559 mm²/s (static)
at the temperature of:
20 °C

Additional information

The viscosity determination of Test item trans-menthone (CAS No. 89-80-5 )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 18.5592 mm²/sec and 16.7904 mm²/s, respectively. Dynamic viscosity (calculated) of Test item at 20°C and 40°C is 18.4905 mPa.S and 16.7282 mPa.S, respectively.