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Physical & Chemical properties

Viscosity

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Reference
Endpoint:
viscosity
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2017-01-20 – 2017-01-20
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Justification for type of information:
Experimental result performed using standard methods of analysis
Qualifier:
according to
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:
- Name of test material (as cited in study report): Nonylphenol ethoxylates
- Molecular formula : C17H28O2
- Molecular weight : 264.409 g/mol
- Substance type:Organic
- Physical state: Liquid
Temp.:
20°C
Parameter:
dynamic viscosity (in mPa s)
Value:
31.29
Temp.:
40°C
Parameter:
dynamic viscosity (in mPa s)
Value:
24.6
Temp.:
20°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
30.03
Temp.:
40°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
23.61

Method Details

Observations

Remarks if, any

Guideline

OECD 114

 

Method of

measurement

Redwood Viscometer No. -1

 

Principle of method

The flow of chemical 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)

121.6 sec

 

Time taken to fill 50ml at 40°C

flask in ‘Sec’ (Mean Value)

95.6 sec

 

Density of fluid in gm/cc

1.042 gm/cc

Conclusions:
The viscosity determination of substance Nonylphenol ethoxylates (CAS No. 127087-87-0 ) was done as per the test guideline OECD 114 using Redwood Viscometer No. 1. Kinematic viscosity (experimental) of Nonylphenol ethoxylates at 20°C and 40°C is 30.03 mm²/sec and 23.61 mm²/s, respectively. Dynamic viscosity (calculated) of Nonylphenol ethoxylates at 20°C and 40°C is 31.29 mPa.S and 24.60 mPa.S, respectively
Executive summary:

The viscosity determination of substance Nonylphenol ethoxylates (CAS No. 127087-87-0 ) was done as per the test guideline OECD 114 using Redwood Viscometer No. 1. Kinematic viscosity (experimental) of Nonylphenol ethoxylates at 20°C and 40°C is 30.03 mm²/sec and 23.61 mm²/s, respectively. Dynamic viscosity (calculated) of  Nonylphenol ethoxylates at 20°C and 40°C is 31.29 mPa.S and 24.60 mPa.S, respectively

Description of key information

The viscosity determination of substance Nonylphenol ethoxylates (CAS No. 127087-87-0 ) was done as per the test guideline OECD 114 using Redwood Viscometer No. 1. Kinematic viscosity (experimental) of Nonylphenol ethoxylates at 20°C and 40°C is 30.03 mm²/sec and 23.61 mm²/s, respectively. Dynamic viscosity (calculated) of  Nonylphenol ethoxylates at 20°C and 40°C is 31.29 mPa.S and 24.60 mPa.S, respectively

Key value for chemical safety assessment

Viscosity:
31.29 mPa · s (dynamic)
at the temperature of:
20 °C

Additional information

The viscosity determination of substance Nonylphenol ethoxylates (CAS No. 127087-87-0 ) was done as per the test guideline OECD 114 using Redwood Viscometer No. 1. Kinematic viscosity (experimental) of Nonylphenol ethoxylates at 20°C and 40°C is 30.03 mm²/sec and 23.61 mm²/s, respectively. Dynamic viscosity (calculated) of  Nonylphenol ethoxylates at 20°C and 40°C is 31.29 mPa.S and 24.60 mPa.S, respectively