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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:
03-07-2017 – 03-07-2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Justification for type of information:
Data from experimental study
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:
Name of test material : 2-benzylideneheptanal
Molecular formula : C14H18O
Molecular weight : 202.2952 g/mol
Physical appearence: Liquid
Smiles notation : c1(\C=C(\CCCCC)C=O)ccccc1
InChl : 1S/C14H18O/c1-2-3-5-10-14(12-15)11-13-8-6-4-7-9-13/h4,6-9,11-12H,2-3,5,10H2,1H3/b14-11-
Substance type : Organic
Key result
Temp.:
20°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
43.472
Remarks on result:
other: No other detail available
Key result
Temp.:
40°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
34.58
Remarks on result:
other: No other detail available
Key result
Temp.:
20°C
Parameter:
dynamic viscosity (in mPa s)
Value:
47.119
Remarks on result:
other: No other detail available
Key result
Temp.:
40°C
Parameter:
dynamic viscosity (in mPa s)
Value:
37.481
Remarks on result:
other: No other detail available

Calculation of Dynamic Viscosities:

 

For Test Temperature at 800C

               ν= η/ρ

               

 

For Test Temperature at 1000C

               ν= η/ρ

              

Conclusions:
Kinematic viscosity (experimental) of 2-benzylideneheptanal ( CAS No. 122-40-7) at 20°C and 40°C is 43.4720 mm²/sec and 34.5800 mm²/s, respectively.
Dynamic viscosity (calculated) of 2-benzylideneheptanal ( CAS No. 122-40-7) at 20°C and 40°C is 47.1193 mPa.S and 37.4812 mPa.S, respectively.
Executive summary:

The viscosity determination of Test item 2 -benzylideneheptanal (CAS No. 122 -40 -7 ) 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 43.4720 mm²/sec and 34.5800 mm²/s, respectively. Dynamic viscosity (calculated) of Test item at 20°C and 40°C is 47.1193 mPa.S and 37.4812 mPa.S, respectively.

Description of key information

Kinematic viscosity (experimental) of 2 -benzylideneheptanal ( CAS No. 122 -40 -7) at 20 °C and 40 °C is 43.4720 mm²/sec and 34.5800 mm²/s, respectively.

Dynamic viscosity (calculated) of 2 -benzylideneheptanal ( CAS No. 122 -40 -7) at 20 °C and 40°C is 47.1193 mPa.S and 37.4812 mPa.S, respectively.

Key value for chemical safety assessment

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

Additional information

The viscosity determination of Test item 2-benzylideneheptanal (CAS No. 122-40-7 )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 43.4720 mm²/sec and 34.5800 mm²/s, respectively. Dynamic viscosity (calculated) of Test item at 20°C and 40°C is 47.1193 mPa.S and 37.4812 mPa.S, respectively.