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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:
August 2-August 3 2010
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP, carried out according to recognised guideline
Reason / purpose:
reference to same study
Qualifier:
according to
Guideline:
OECD Test Guideline 114 (Viscosity of Liquids)
Deviations:
no
Qualifier:
according to
Guideline:
other: DIN 53015, "Measurement of viscosity using the Höppler falling-ball viscometer"
Deviations:
no
GLP compliance:
yes (incl. certificate)
Type of method:
forced ball viscometer (dynamic)
Key result
Temp.:
20°C
Parameter:
dynamic viscosity (in mPa s)
Value:
217.5
Key result
Temp.:
other: 35.0°C
Parameter:
dynamic viscosity (in mPa s)
Value:
66.6

Table 1:Measured viscosity of Kronitex TXP at 20°C

Properties of the ball

Density of
Test Item, (g/cm
3)

Falling time

(sec)

Dynamic Viscosity

(mPa*s)

Number:

3

1.1421

227

217.2

Density, g/cm3

8.128

227

217.2

228

218.2

Constant
mPa*sec*cm3/(g*sec)

0.136968

227

217.2

228

218.2

227

217.2

Mean

217.5

RSD

0.2 %

Table 2:Measured viscosity of Kronitex TXP at 35°C

Properties of the ball

Density of
Test Item, (g/cm
3)

Falling time

(sec)

Dynamic Viscosity

(mPa*s)

Number:

3

1.134

70

67.1

Density, g/cm3

8.128

69

66.1

70

67.1

Constant
mPa*sec*cm3/(g*sec)

0.136968

70

67.1

68

65.1

70

67.1

Mean

66.6

RSD

1.2 %

Conclusions:
Viscosity of Kronitex TXP at 20°C (dynamic): 217.5 mPa*sec
Viscosity of Kronitex TXP at 35°C (dynamic): 66.6 mPa*sec
Executive summary:

Viscosity of Kronitex TXP at 20°C (dynamic): 217.5 mPa*sec

Viscosity of Kronitex TXP at 35°C (dynamic): 66.6 mPa*sec

Description of key information

Viscosity

Key value for chemical safety assessment

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

Additional information

The substance is not considered to pose an aspiration hazard.

Viscosity of Kronitex TXP at 20°C (dynamic): 217.5 mPa*sec

Viscosity of Kronitex TXP at 35°C (dynamic): 66.6 mPa*sec