Reaction mass of 4,4,13,13-tetraethoxy-3,14-dioxa-8,9-dithia-4,13-disilahexadecane and 4,4,14,14-tetraethoxy-3,15-dioxa-8,9,10-trithia-4,14-disilaheptadecane

Viscosity

Link to relevant study record(s)

Reference

Endpoint:

viscosity

Type of information:

experimental study

Adequacy of study:

key study

Study period:

2015-06-12

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

guideline study

Qualifier:

according to guideline

Guideline:

OECD Test Guideline 114 (Viscosity of Liquids)

Deviations:

no

GLP compliance:

no

Other quality assurance:

ISO/IEC 17025 (General requirements for the competence of testing and calibration laboratories)

Type of method:

capillary viscometer (static)

Key result

Temp.:

20°C

Parameter:

kinematic viscosity (in mm²/s)

Value:

7.82

Key result

Temp.:

40°C

Parameter:

kinematic viscosity (in mm²/s)

Value:

4.838

Table 1: Result

Temperature	20°C	40°C
1^strun	264.35	507.22
2^ndrun	263.84	507.56
3^rdrun	263.91	507.47
4^thrun	264.60	507.59
5^thrun	263.92	507.48
Mean value of flow time [s]	264.124	507.464
Hagenbach correction [s]	0.024	0.041
Corrected flow time [s]	264.100	507.423
Viscosimeter constant [mm^2s^-2]	0,02961	0,009535
Kinematic viscosity [mm^2s^-1]	7.820	4.838

 

Conclusions:

Kinematic viscosity values of 7.82 at 20°C and 4.838 at 40°C were determined for the substance uisng a relevant test method. The result is considered to be reliable.

Description of key information

Viscosity: 7.820 mm2/s at 20°C, 4.838 mm2/s at 40°C (OECD 114)

Key value for chemical safety assessment

Viscosity:

7.82 mm²/s (static)

at the temperature of:

20 °C

Additional information

Kinematic viscosity values of 7.820 mm²/s at 20°C and 4.838 mm²/s at 40°C were determined for the substance using a capillary viscometer in accordance with OECD 114 test method and in compliance with known quality system (ISO 17025). The result is considered to be reliable.