2-chloro-2-methylpropane

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:

from 2017-10-20 to 2017-10-21

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

comparable to guideline study

Qualifier:

according to guideline

Guideline:

EU Method A.9 (Flash-Point)

Deviations:

no

Qualifier:

according to guideline

Guideline:

ISO 13736 (Petroleum products and other liquids - Determination of flash point - Abel closed cup method)

Deviations:

no

GLP compliance:

no

Type of method:

closed cup

Flash point apparatus:

Abel apparatus

Key result

Flash point:

-26 °C

Atm. press.:

1 013 hPa

Preliminary test

Table 1 shows the results from the preliminary test.

Table 1: Preliminary test

Weight (g)	Flash point (°C) measured	Atmospheric pressure (hPa)	Flash point (°C)corrected
65.2	<-24.2	1015.4	—

The vapour of the test item could be ignited by the first contact of the flame at the starting temperature of -24.2 °C.

Main test

Table 2 shows theresults from the main test.

Table 2: Main test

Weight (g)	Flash point (°C) measured	Atmospheric pressure (hPa)	Flash point (°C)corrected
65.2	<-25.6	1015.4	<-25.7
65.2	<-26.2	1015.4	<-26.3
64.7	<-25.5	1016.0	<-25.6

The minimum test temperature that could be set in the test apparatus (Abel, DIN EN ISO 13736) was approximately -26 °C. Within three main tests the item could be ignited by the first contact of the flame at the starting temperature. Therefore the final flash point of the test item was determined to be lower than -26 °C.

Interpretation of results:

GHS criteria not met

Conclusions:

The flash point of the test item was determined to be lower than -26 °C under atmospheric conditions (1013 hPa).

Executive summary:

A study was performed in accordance with Commission Regulation (EC) No. 440/2008, method A.9 and DIN EN ISO 13736 in order to determine the flash point of the test item using the Abel method. The test item was placed in a stirred test vessel which was progressively heated in the Abel apparatus (3 K/min in preliminary test and 1 K/min in main test) until vapour reached a sufficiently high concentration in air to produce a flammable mixture which could be ignited. A defined gas flame was used as ignition source and the flame was periodically dipped into the gas atmosphere of the test vessel (every 2 K in preliminary test and 0.5 K/min in main test). The lowest temperature at which the vapour of the test item could be ignited was the flash point. After ignition of the test item vapour occured at -24.2 °C in the preliminary test three main tests were performed. The minimum temperature that could be set in the test apparatus was -26 °C. As the test item could already be ignited by the first contact of the flame at the starting temperature the flash point of the test item was determined to be lower than -26 °C.

Description of key information

The flash point of the test item was determined to be lower than -26 °C under atmospheric conditions (1013 hPa).

Additional information

A study was performed in accordance with Commission Regulation (EC) No. 440/2008, method A.9 and DIN EN ISO 13736 in order to determine the flash point of the test item using the Abel method. The test item was placed in a stirred test vessel which was progressively heated in the Abel apparatus (3 K/min in preliminary test and 1 K/min in main test) until vapour reached a sufficiently high concentration in air to produce a flammable mixture which could be ignited. A defined gas flame was used as ignition source and the flame was periodically dipped into the gas atmosphere of the test vessel (every 2 K in preliminary test and 0.5 K/min in main test). The lowest temperature at which the vapour of the test item could be ignited was the flash point. After ignition of the test item vapour occured at -24.2 °C in the preliminary test three main tests were performed. The minimum temperature that could be set in the test apparatus was -26 °C. As the test item could already be ignited by the first contact of the flame at the starting temperature the flash point of the test item was determined to be lower than -26 °C (reference 4.11-1).