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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Auto flammability

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Administrative data

Link to relevant study record(s)

Referenceopen allclose all

Endpoint:
auto-ignition temperature, other
Type of information:
experimental study
Adequacy of study:
weight of evidence
Study period:
1980-01-29 to 1980-07-30
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: The study report is not according to GLP or any Guideline.
Qualifier:
no guideline followed
Principles of method if other than guideline:
Company data only. No guideline or method indicated.
GLP compliance:
not specified
Key result
Auto-ignition temperature:
>= 405 - <= 410 °C
Atm. press.:
101.325 kPa
Remarks on result:
other:
Key result
Relative self-ignition temperature:
>= 405 - <= 410 °C
Remarks on result:
other:
Remarks:
at atm. press. of 101.325 kPa

sublimation at 220 -230 °C; only Hexamethylenetetramine-K showed exothermic reaction at 245 °C

Conclusions:
The auto flammability of methenamine was determined in a range of 405-410 °C at standard pressure (101.325 kPa).
Executive summary:

The auto flammability of methenamine was determined in a range of 405-410 °C at standard pressure (101.325 kPa).

Endpoint:
auto-ignition temperature, other
Type of information:
experimental study
Adequacy of study:
weight of evidence
Study period:
1983
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: only data from published literature available
Reason / purpose for cross-reference:
reference to other study
Qualifier:
no guideline followed
Principles of method if other than guideline:
Handbook data only. No guideline or method indicated.
GLP compliance:
not specified
Key result
Auto-ignition temperature:
410 °C
Atm. press.:
101.325 kPa
Remarks on result:
other:
Key result
Relative self-ignition temperature:
410 °C
Remarks on result:
other:
Remarks:
at atm. press. of 101.325 kPa

no remarks

Conclusions:
The auto flammability of hexamethylenetetramine was determined to 410 °C at standard pressure.
Executive summary:

According to the handbook-data the auto flammability of hexamethylenetetramine was determined to 410 °C at standard pressure.

Description of key information

The average auto flammability ofmethenaminewas determined to be about 410 °C atstandard pressure (101.325kPa). This result was confirmed by results found in the public literature.

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
683.2 K

Additional information