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Physical & Chemical properties

Flash point

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Endpoint:
flash point, other
Remarks:
for the Dimethylamine aqueous solutions (40 % and 60 %) and for Dimethylamine gaseous form
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Study meets basic scientific principles.
Qualifier:
no guideline available
Principles of method if other than guideline:
No experimental details available
GLP compliance:
no
Type of method:
closed cup
Flash point:
-55 °C
Atm. press.:
101.3 kPa
Remarks on result:
other: Result for DMA gas
Flash point:
-18 °C
Atm. press.:
101.3 kPa
Remarks on result:
other: Result for 40% DMA solution
Flash point:
-32 °C
Atm. press.:
101.3 kPa
Remarks on result:
other: Result for 60% DMA solution
Conclusions:
A flash point of -55 °C was determined (closed cup method)
Executive summary:

A flash point of -55 °C was determined (closed cup method).

Endpoint:
flash point, other
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Peer-reviewed database
Principles of method if other than guideline:
Experimental determination
GLP compliance:
not specified
Type of method:
other: Experimental determination
Flash point:
1 °C
Remarks on result:
other: no information of pressure is available
Conclusions:
A flash point of 1 °C is reported
Executive summary:

A flash point of 1 °C is reported.

Endpoint:
flash point, other
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Peer-reviewed database
Principles of method if other than guideline:
closed cup method was used.
GLP compliance:
not specified
Type of method:
closed cup
Flash point:
20 °F
Remarks on result:
other: no information about the pressure is available.
Conclusions:
A flash point of 20 °F was determind (closed cup method)
Executive summary:

A flash point of 20 °F was determined (closed cup method).

Description of key information

The flash point is not relevant for gases, it is a key measure of the flammability of a liquid. The reported values can be taken as supporting information for the non-gaseous substance. 

Key value for chemical safety assessment

Flash point at 101 325 Pa:
-55 °C

Additional information

Experimental results for flashpoint are available for the gaseous form (100 % DMA) as well as for DMA solutions. Based on a weight-of-evidence approach, the results reported in the CEFIC guidelines for the distribution of methylamines are considered as most reliable. Experimental base of these results were measurements according to the Closed cup method (Methylamines and Derivatives Sector Group, 1999).