Triethoxy(2,4,4-trimethylpentyl)silane

Flash point

Link to relevant study record(s)

Reference

Endpoint:

flash point of flammable liquids

Type of information:

experimental study

Adequacy of study:

key study

Study period:

2015-07-14

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

guideline study with acceptable restrictions

Remarks:

The study was conducted according to a relevant test method and in accordance with a recognised quality system

Qualifier:

according to guideline

Guideline:

EU Method A.9 (Flash-Point)

Qualifier:

according to guideline

Guideline:

ISO 3679 (Determination of flash point - Rapid equilibrium closed cup method)

Version / remarks:

2004

GLP compliance:

no

Other quality assurance:

other: ISO 9001:2008

Type of method:

equilibrium method closed cup

Flash point apparatus:

Setaflash apparatus

Key result

Flash point:

42 °C

Atm. press.:

1 013 hPa

Table 1: raw flash point result

Test	Test series 1 temperature [°C]	Result yes(+) / no(-)	Test series 2 temperature [°C]	Result yes(+) / no(-)
1	37	-	37	-
2	38	-	38	-
3	39	-	39	-
4	40	-	40	-
5	41	+	41	+
6	41	+	41	+

 

Table 2: summary of result

Test series	Measured value [°C]	Corrected value [°C]
1	41	42.2
2	41	42.2
Mean value*	42

*The mean value is calculated from test 1 and 2 and rounded to ± 0.5°C

Interpretation of results:

Category 3 (flammable liquids) based on GHS criteria

Conclusions:

A flash point value of 42°C at 1013 hPa was determined for the substance using a relevant test method. The result is considered to be reliable.

Description of key information

Flash point: 42°C at 1013 hPa (ISO 3679)

Key value for chemical safety assessment

Flash point at 101 325 Pa:

42 °C

Additional information

Several reliable measured flash point values are available for the registered substance. A measured flash point value of 42°C at 1013 hPa was determined for the substance using a rapid equilibrium method in accordance with ISO 3679 test method and in compliance with a known quality system (ISO 9001:2008). The result is considered to be reliable and is selected as key study.

In other reliable studies, flash point values of 38.5°C, 46.5°C and 50 - 51°C were determined for the substance using relevant closed-cup methods. Differences in flash point may be as a result of differences in purity of the substance and the test method used. However, the supporting studies are in agreement with the key study that the substance is a flammable liquid. The key study is selected as the study that is most recently conducted.

In a secondary source to which reliability could not be assigned, an open cup flash point of >40°C was reported for the substance.

A flash point value of 42°C at 1013 hPa and a measured boiling point of 237.2°C at 1013 hPa indicate that the substance should be classified for flammability (Category 3) in accordance with the criteria of Regulation (EC) No. 1272/2008.