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Diss Factsheets

Physical & Chemical properties

Melting point / freezing point

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Administrative data

Link to relevant study record(s)

Referenceopen allclose all

Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
1982
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Remarks:
Data from Encyclopedia of Explosives and Related Items. PATR2700 Vol. 6. Picatinny Arsenal, Dover, NJ (1974)
Guideline:
other: no guideline reported
Principles of method if other than guideline:
not mentioned: collection of data
GLP compliance:
not specified
Type of method:
other: not mentioned: collection of data
Specific details on test material used for the study:
Test stubstance supplied Sunflower AAP
Key result
Decomposition:
yes
Decomp. temp.:
232 °C
Remarks on result:
other: Source: Kenyon 1982
Conclusions:
The melting point of nitroguanidine cannot be determined because the test material decomposes before the melting point is reached.
Executive summary:

The melting point of nitroguanidine cannot be determined because the test material decomposes before the melting point is reached. The decomposition temperature is 232 °C.

Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
supporting study
Study period:
2007
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Guideline:
other: no guideline reported
Principles of method if other than guideline:
not mentioned: handbook data
GLP compliance:
not specified
Type of method:
other: not mentioned: handbook data
Specific details on test material used for the study:
Test stubstance supplier not mentioned.
Decomposition:
yes
Decomp. temp.:
239 °C
Remarks on result:
other: Source: Patnaik 2007
Conclusions:
The melting point of nitroguanidine cannot be determined because the test material decomposes before the melting point is reached.
Executive summary:

The melting point of nitroguanidine cannot be determined because the test material decomposes before the melting point is reached. The decomposition temperature is 239 °C.

Description of key information

The melting point of nitroguanidine cannot be determined because the test material decomposes

before the melting point is reached. The decomposition temperature is at about 232 °C.

Key value for chemical safety assessment

Additional information

There are three studies available (handbook data, material safety data sheet, collection of data) all indicating that the substance decomposes before the melting point is reached. The studies state different temperatures in a similar range at which nitroguanidine decomposes, such as 230 °C, 232 °C, and 239 °C.