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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:
12-03-2018 – 12-03-2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Justification for type of information:
Experimental test result performed using standard 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 Reaction mass of 3H-​Indolium, 2-​[2-​[4-​(dimethylamino)​phenyl]​ethenyl]​-​1,​3,​3-​trimethyl-​ & acetate was done as per the test guideline OECD 114 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 : Reaction mass of 3H-​Indolium, 2-​[2-​[4-​(dimethylamino)​phenyl]​ethenyl]​-​1,​3,​3-​trimethyl-​ & acetate- Molecular formula : C23H28N2O2- Molecular weight : 364.486 g/mol- Smiles notation : [N+]=1(c2ccccc2C(C)(C)C1\C=C\c1ccc(cc1)N(C)C)C.C(C)(=O)[O-]- InChl : 1S/C21H25N2.C2H4O2/c1-21(2)18-8-6-7-9-19(18)23(5)20(21)15-12-16-10-13-17(14-11-16)22(3)4;1-2(3)4/h6-15H,1-5H3;1H3,(H,3,4)/q+1;/p-1- Substance type: Organic- Physical state: Liquid
Key result
Temp.:
20°C
Parameter:
dynamic viscosity (in mPa s)
Value:
40.855
Remarks on result:
other: Highly viscous liquid hence required heating
Key result
Temp.:
40°C
Parameter:
dynamic viscosity (in mPa s)
Value:
30.681
Remarks on result:
other: Highly viscous liquid hence required heating
Key result
Temp.:
20°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
37.692
Remarks on result:
other: Highly viscous liquid hence required heating
Key result
Temp.:
40°C
Parameter:
kinematic viscosity (in mm²/s)
Value:
28.306
Remarks on result:
other: Highly viscous liquid hence required heating

1. Calculation of Kinematic Viscosities:

For Test Temperature at 20°C

ν=ct

= 152.6 × 0.247sec

= 37.6922mm²/sec

For Test Temperature at 40°C

ν=ct

= 114.6 × 0.247sec

= 28.3062 mm²/sec

2. Calculation of Dynamic Viscosities:

For Test Temperature at 20°C

ν= η/ρ

37.6922 =η 1.0839

η = 37.6922 x 1.0839

= 40.8545 mPa.S

For Test Temperature at 40°C

ν= η/ρ

28.3062 =η/ 1.0839

η = 28.3062 x 1.0839

= 30.6810 mPa.S

Conclusions:
Kinematic viscosity (experimental) of Reaction mass of 3H-​Indolium, 2-​[2-​[4-​(dimethylamino)​phenyl]​ethenyl]​-​1,​3,​3-​trimethyl-​ & acetate at 20°C and 40°C was 37.6922 mm²/sec and 28.3062 mm²/s,respectively. Dynamic viscosity (calculated) of Reaction mass of 3H-​Indolium, 2-​[2-​[4-​(dimethylamino)​phenyl]​ethenyl]​-​1,​3,​3-​trimethyl-​ & acetate at 20°C and 40°C was 40.8545 mPa.S and 30.6810 mPa.S, respectively.
Executive summary:

The viscosity determination of Test item Reaction mass of 3H-​Indolium, 2-​[2-​[4-​(dimethylamino)​phenyl]​ethenyl]​-​1,​3,​3-​trimethyl-​ & acetate 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 37.6922 mm²/sec and 28.3062 mm²/s, respectively. Dynamic viscosity (calculated) of Test item at 20°C and 40°C was 40.8545 mPa.S and 30.6810 mPa.S, respectively

Description of key information

Kinematic viscosity (experimental) of Reaction mass of 3H-​Indolium, 2-​[2-​[4-​(dimethylamino)​phenyl]​ethenyl]​-​1,​3,​3-​trimethyl-​ & acetate at 20°C and 40°C was 37.6922 mm²/sec and 28.3062 mm²/s,respectively.

Dynamic viscosity (calculated) of Reaction mass of 3H-​Indolium, 2-​[2-​[4-​(dimethylamino)​phenyl]​ethenyl]​-​1,​3,​3-​trimethyl-​ & acetate at 20°C and 40°C was 40.8545 mPa.S and 30.6810 mPa.S, respectively.

Key value for chemical safety assessment

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

Additional information

The viscosity determination of Test item Reaction mass of 3H-​Indolium, 2-​[2-​[4-​(dimethylamino)​phenyl]​ethenyl]​-​1,​3,​3-​trimethyl-​ & acetate 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 37.6922 mm²/sec and 28.3062 mm²/s, respectively. Dynamic viscosity (calculated) of Test item at 20°C and 40°C was 40.8545 mPa.S and 30.6810 mPa.S, respectively