Diacetoxydi-tert-butoxysilane

Viscosity

Link to relevant study record(s)

Reference

Endpoint:

viscosity

Type of information:

experimental study

Adequacy of study:

key study

Study period:

From February 6 to March 14, 2012.

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

guideline study

Remarks:

Test method according to OECD Guideline 114 (PN-EN ISO 3104). GLP study.

Qualifier:

according to guideline

Guideline:

OECD Test Guideline 114 (Viscosity of Liquids)

Deviations:

no

GLP compliance:

yes (incl. QA statement)

Type of method:

capillary viscometer (static)

Key result

Temp.:

20°C

Parameter:

kinematic viscosity (in mm²/s)

Value:

7.885

Key result

Temp.:

40°C

Parameter:

kinematic viscosity (in mm²/s)

Value:

4.367

The results of viscosity determination at 20°C:

Test No.	Test temperature	Flow time t	The difference of flow time of two consecutive measurements	Viscosity ν	The difference between any and average viscosityt
	[°C]	[ s ]	%	mm^2/s	[% ]
1	20.00	271.42	0.06	7.8820	0.03
2	20.00	271.59		7.8870	0.03
Average				7.8845	-

The results of viscosity determination at 40°C:

Test No.	Test temperature	Flow time t	The difference of flow time of two consecutive measurements	Viscosity ν	The difference between any and average viscosityt
	[°C]	[ s ]	%	mm^2/s	[% ]
1	40.00	432.95	0.12	4.3641	0.06
2	40.00	433.43		4.3690	0.06
Average				4.3666	-

Conclusions:

The determined average kinematic viscosity of the Diacetoxydi-tert-butoxysilane at 20°C temperature was 7.8845 mm2/s and at 40 ºC was 4.3666 mm2/s.

Executive summary:

The determination of viscosity of test item Diacetoxydi-tert-butoxysilane was performed according to OECD Guideline 114 (PN-EN ISO 3104) with a Ubelohde capillary viscometer. The determined average kinematic viscosity of the Diacetoxydi-tert-butoxysilane at 20°C temperature was 7.8845 mm2/s and at 40 ºC was 4.3666 mm2/s.

Description of key information

Key study: OECD Guideline 114. GLP study: The determined average kinematic viscosity of the Diacetoxydi-tert-butoxysilane at 20°C temperature was 7.8845 mm2/s and at 40 ºC was 4.3666 mm2/s.

Key value for chemical safety assessment

Viscosity:

7.885 mm²/s (static)

at the temperature of:

20 °C

Additional information

Key study: The determination of viscosity of test item Diacetoxydi-tert-butoxysilane was performed according to OECD Guideline 114 (PN-EN ISO 3104) with a Ubelohde capillary viscometer. The determined average kinematic viscosity of the Diacetoxydi-tert-butoxysilane at 20°C temperature was 7.8845 mm2/s and at 40 ºC was 4.3666 mm2/s.