(S)-2-methyl-5-(1-methylvinyl)cyclohex-2-en-1-one

Viscosity

Link to relevant study record(s)

Reference

Endpoint:

viscosity

Type of information:

experimental study

Adequacy of study:

key study

Study period:

19-01-2018 – 19-01-2018

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:

The viscosity determination of Test item (S)-2-methyl-5-(1-methylvinyl)cyclohex-2-en-1-one (CAS No. 2244-16-8) was done as per the test guideline OECD 114 using Redwood Viscometer No. 1.

GLP compliance:

not specified

Type of method:

other: by Redwood Viscometer No. 1.

Specific details on test material used for the study:

- Name of test material: d-Carvone- IUPAC name: (5S)-2-methyl-5-(prop-1-en-2-yl)cyclohex-2-en-1-one- Molecular formula: C10H14O- Molecular weight: 150.22 g/mole- Smiles :C1[C@H](CC=C(C1=O)C)C(C)=C- Inchl: 1S/C10H14O/c1-7(2)9-5-4-8(3)10(11)6-9/h4,9H,1,5-6H2,2-3H3/t9-/m0/s1- Substance type: Organic- Physical state: Colorless

Key result

Temp.:

20°C

Parameter:

kinematic viscosity (in mm²/s)

Value:

24.7

Remarks on result:

other: no other details mentioned

Key result

Temp.:

40°C

Parameter:

kinematic viscosity (in mm²/s)

Value:

21.57

Remarks on result:

other: no other deails mentioned

Key result

Temp.:

20°C

Parameter:

dynamic viscosity (in mPa s)

Value:

23.663

Remarks on result:

other: no other details mentioned

Key result

Temp.:

40°C

Parameter:

dynamic viscosity (in mPa s)

Value:

20.665

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 is done	20°C and 40°C
Observations	Time taken to fill 50ml flask at 20°C in ‘Sec’ (Mean Value)	100 sec
	Time taken to fill 50ml at 40°C flask in ‘Sec’ (Mean Value)	87.33 sec
	Density of fluid in gm/cc	0.9580 gm/cc

 

CALCULATIONS:

ν= ct----------------------------------------- (i)

Where, ν= Kinematic viscosity

c= Viscometer constant

t= time of flow in seconds (Redwood second) For Redwood Viscometer- I, the values for the constants are as

below:

Time of flow,t	C
40 to 85 seconds	0.264
85 to 2000	0.247

ν= η/ρ------------------------------ (ii)

Where, ν= Kinematic viscosity

η= Dynamic viscosity

ρ= Density of fluid

1. Calculation of Kinematic Viscosities:

For Test Temperature at 20°C

ν=ct

= 100 × 0.247sec

= 24.7000mm²/sec

For Test Temperature at 40°C

ν=ct

= 87.33 × 0.247sec

= 21.5705 mm²/sec

2. Calculation of Dynamic Viscosities:

For Test Temperature at 20°C

ν= η/ρ

24.7000 =η 0.9580

η = 24.7000 x 0.9580

= 23.6626 mPa.S

For Test Temperature at 40°C

ν= η/ρ

21.5705 =η/ 0.9580

η = 21.5705 x 0.9580

= 20.6645 mPa.S

Sr. no	Temperature of Test item (°C)	Time taken to fill 50ml flask at 20°C in ‘Sec’ (Mean Value)	Kinematic Viscosity in mm²/sec	Density in gm/cc	Dynamic (or) Absolute Viscosity mPa.S
1	20°C	100	24.7000	0.9580	23.6626
2	40°C	87.33	21.5705	0.9580	20.6645

Conclusions:

Kinematic viscosity (experimental) of (S)-2-methyl-5-(1-methylvinyl)cyclohex-2-en-1-one (CAS No. 2244-16-8) at 20°C and 40°C was 24.7000 mm²/sec and 21.5705 mm²/s, respectively.Dynamic viscosity (calculated) of (S)-2-methyl-5-(1-methylvinyl)cyclohex-2-en-1-one (CAS No. 2244-16-8) at 20°C and 40°C was 23.6626 mPa.S and 20.6645 mPa.S, respectively.

Executive summary:

The viscosity determination of Test item (S)-2-methyl-5-(1-methylvinyl)cyclohex-2-en-1-one (CAS No. 2244-16-8) 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 was 24.7000 mm²/sec and 21.5705 mm²/s, respectively.

Dynamic viscosity (calculated) of Test item at 20°C and 40°C was 23.6626 mPa.S and 20.6645 mPa.S, respectively.

Description of key information

Kinematic viscosity (experimental) of (S)-2-methyl-5-(1-methylvinyl)cyclohex-2-en-1-one (CAS No. 2244-16-8) at 20°C and 40°C was 24.7000 mm²/sec and 21.5705 mm²/s, respectively.

Dynamic viscosity (calculated) of (S)-2-methyl-5-(1-methylvinyl)cyclohex-2-en-1-one (CAS No. 2244-16-8) at 20°C and 40°C was 23.6626 mPa.S and 20.6645 mPa.S, respectively.

Key value for chemical safety assessment

Viscosity:

24.7 mm²/s (static)

at the temperature of:

20 °C

Additional information

The viscosity determination of Test item (S)-2-methyl-5-(1-methylvinyl)cyclohex-2-en-1-one (CAS No. 2244-16-8) 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 was 24.7000 mm²/sec and 21.5705 mm²/s, respectively.

Dynamic viscosity (calculated) of Test item at 20°C and 40°C was 23.6626 mPa.S and 20.6645 mPa.S, respectively.