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Viscosity

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Reference
Endpoint:
viscosity
Type of information:
experimental study
Adequacy of study:
key study
Study period:
24-08-2017 – 24-08-2017
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:
The viscosity determination of Test item 1-phenylethanol (CAS No. 98-85-1) was done as per the test guideline OECD 114 using Redwood Viscometer No. 1.
GLP compliance:
not specified
Type of method:
other: Redwood Viscometer No. 1
Specific details on test material used for the study:
- Name of test material: 1-phenylethan-1-ol
- IUPAC name: 1-phenylethanol
- Molecular Formula: C8H10O
- Molecular weight: 122.166g/mol
- Smiles: c1(ccccc1)C(C)O
- InChI: 1S/C8H10O/c1-7(9)8-5-3-2-4-6-8/h2-7,9H,1H3
- Substance type: Organic
- Physical state: Liquid (Clear colourless)
Key result
Temp.:
20°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
31.863
Remarks on result:
other: no other details mentioned
Key result
Temp.:
40°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
15.206
Remarks on result:
other: no other details mentioned
Key result
Temp.:
20°C
Parameter:
dynamic viscosity (in mPa s)
Value:
33.615
Remarks on result:
other: no other details mentioned
Key result
Temp.:
40°C
Parameter:
dynamic viscosity (in mPa s)
Value:
15.29
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)

129 sec

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

57.6 sec

Density of fluid in gm/cc

1.0055 gm/cc

Conclusions:
Kinematic viscosity (experimental) of 1-phenylethanol (CAS No. 98-85-1) at 20°C and 40°C was found to be 31.8630 mm²/sec and 15.2064 mm²/s, respectively. Dynamic viscosity (calculated) of 1-phenylethanol (CAS No. 98-85-1) at 20°C and 40°C was determine to be 33.6154 mPa.S and 15.2900 mPa.S, respectively.
Executive summary:

The viscosity determination of Test item 1-phenylethanol (CAS No. 98-85-1) 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 31.8630 mm²/sec and 15.2064 mm²/s, respectively. Dynamic viscosity (calculated) of Test item at 20°C and 40°C is 33.6154 mPa.S and 15.2900 mPa.S, respectively.

Description of key information

Kinematic viscosity (experimental) of 1-phenylethanol (CAS No. 98-85-1) at 20°C and 40°C was found to be 31.8630 mm²/sec and 15.2064 mm²/s, respectively. Dynamic viscosity (calculated) of 1-phenylethanol (CAS No. 98-85-1) at 20°C and 40°C was determine to be 33.6154 mPa.S and 15.2900 mPa.S, respectively.

Key value for chemical safety assessment

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

Additional information

The viscosity determination of Test item 1-phenylethanol (CAS No. 98-85-1) 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 31.8630 mm²/sec and 15.2064 mm²/s, respectively. Dynamic viscosity (calculated) of Test item at 20°C and 40°C is 33.6154 mPa.S and 15.2900 mPa.S, respectively.