Phenol, isopropylated, phosphate (3:1)

Viscosity

Link to relevant study record(s)

Reference

Endpoint:

viscosity

Type of information:

experimental study

Adequacy of study:

key study

Study period:

02-03 August 2010

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

other: GLP compliant, carried out according to recognised guideline.

Qualifier:

according to guideline

Guideline:

OECD Test Guideline 114 (Viscosity of Liquids)

Deviations:

no

GLP compliance:

yes (incl. QA statement)

Type of method:

forced ball viscometer (dynamic)

Temp.:

20°C

Parameter:

dynamic viscosity (in mPa s)

Value:

96.3

Temp.:

other: 35.0°C

Parameter:

dynamic viscosity (in mPa s)

Value:

37.8

 

Table 1: Measured viscosity of Reofos 65 at 20°C

Properties of the ball		Density of Test Item, (g/cm^3)	Falling time (sec)	Dynamic Viscosity (mPa*s)
Number:	3	1.168^1	101	96.3
Density, g/cm3	8.128		101	96.3
			100	95.3
Constant mPa*sec*cm^3/(g*sec)	0.136968		102	97.2
			101	96.3
			101	96.3
Mean				96.3
RSD				0.6 %

Table 2: Measured viscosity of Reofos 65 at 35°C

Properties of the ball		Density of Test Item, (g/cm^3)	Falling time (sec)	Dynamic Viscosity (mPa*s)
Number:	2	1.167	276	37.9
Density, g/cm3	2.227		276	37.9
			276	37.9
Constant mPa*sec*cm^3/(g*sec)	0.1294142		275	37.7
			276	37.9
			275	37.7
Mean				37.8
RSD				0.2 %

Conclusions:

Viscosity of Reofos 65 at 20°C (dynamic): 96.3 mPa*sec
Viscosity of Reofos 65 at 35°C (dynamic): 37.8 mPa*sec

Executive summary:

The viscosity of Reofos 65 was determined using the Höppler viscosometer.  

The following results were obtained:

Viscosity of Reofos 65 at 20°C (dynamic): 96.3 mPa*sec

Viscosity of Reofos 65 at 35°C (dynamic): 37.8 mPa*sec

Description of key information

Viscosity

Key value for chemical safety assessment

Viscosity:

96.3 mPa · s (dynamic)

at the temperature of:

20 °C

Additional information

The substance is not considered to pose an aspiration hazard.

20°C (dynamic): 96.3 mPa*sec

35°C (dynamic): 37.8 mPa*sec