Triethoxy(3-isocyanatopropyl)silane

Viscosity

Link to relevant study record(s)

Reference

Endpoint:

viscosity

Type of information:

experimental study

Adequacy of study:

key study

Study period:

2013-10-01

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

guideline study with acceptable restrictions

Remarks:

The study was conducted in accordance with OECD 114 but not in compliance with relevant quality management system.

Qualifier:

according to guideline

Guideline:

OECD Test Guideline 114 (Viscosity of Liquids)

Version / remarks:

2012

Deviations:

no

Qualifier:

equivalent or similar to guideline

Guideline:

CIPAC MT 192 (Viscosity of liquids by rotational viscometry)

Version / remarks:

CIPAC MT22 (1995)

Deviations:

no

Qualifier:

according to guideline

Guideline:

DIN 51562 Part 1 (Viscometry - Measurement of kinematic viscosity by means of the Ubbelohde viscometer - Part 1: Viscometer specification and measurement procedure)

Version / remarks:

1999

Deviations:

no

GLP compliance:

no

Type of method:

capillary viscometer (static)

Key result

Temp.:

20°C

Parameter:

kinematic viscosity (in mm²/s)

Value:

1.6

Key result

Temp.:

40°C

Parameter:

kinematic viscosity (in mm²/s)

Value:

1.19

 The capillary viscometer 0c was chosen. In the following tables, the flow times and the kinematic viscosities of the test item at temperatures of 20°C and 40°C are reported.

Temperature: 20°C
	Flow time [s]	Hagenbach correction [s]	Flow time (corr.) [s]	Kinematic viscosity [mm^2/s]
1^sttest series (6 tests)	516.65	-	-	1.60
2^ndtest series (3 tests)	516.52	-	-	1.60
3^rdtest series (4 tests)	515.88	-	-	1.60
Mean	516.35	-	-	1.60
Standard deviation	0.410	-	-	0.00127
Relative standard deviation [%]	0.0795	-	-	0.0795

  

Temperature: 40°C
	Flow time [s]	Hagenbach correction [s]	Flow time (corr.) [s]	Kinematic viscosity [mm^2/s]
1^sttest series (5 tests)	383.91	0.464	383.443	1.19
2^ndtest series (5 tests)	389.46	0.451	389.012	1.20
3^rdtest series (5 tests)	386.73	0.458	386.270	1.19
Mean	386.70	-	-	1.19
Standard deviation	2.78	-	-	0.00861
Relative standard deviation [%]	0.719	-	-	0.721

 

The kinematic viscosity of the test item is

Temperature [°C]	Kinematic viscosity [mm^2/s]
20	1.60
40	1.19

 

Conclusions:

Viscosity values of 1.6 and 1.2 mm²/s (static) at 20°C and 40°C respectively were obtained for the substance in accordance with relevant test method. The result is considered to be reliable.

Description of key information

Viscosity: 1.6 mm²/s at 20°C (OECD 114)

Key value for chemical safety assessment

Viscosity:

1.6 mm²/s (static)

at the temperature of:

20 °C

Additional information

Kinematic viscosity values of 1.6 mm²/s at 20°C and 1.2 mm²/s at 40°C were determined for the substance using a capillary viscometer in accordance with OECD Test Guideline 114 but not in compliance with any known quality system. The result is considered to be reliable.