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Physical & Chemical properties

Melting point / freezing point

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melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Principles of method if other than guideline:
Data from handbook, no method provided
GLP compliance:
Type of method:
other: no method provided
Key result
Melting / freezing pt.:
>= 170.5 - <= 177 °C
Remarks on result:
other: no information on atm. pressure, decomposition not reported for that temperature range
melting point: 170.5 to 177°C
Executive summary:

According to Martin (1971; cited in US-EPA document EPA-504 -1 -75 -028 ; 1975, page 17) and Merck (1968; cited in US-EPA document EPA-504 -1 -75 -028 ;1975, page 17) Monuron has a melting point of 170.5 to 177 °C.

Since this information is obtained form a peer reviewed document from an international accepted authority the result is considered reliable with restrictions for the further assessment.

Description of key information

melting point: 170.5 to 177°C

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
170.5 °C

Additional information

For the chemical safety assessment, the lowest reported melting point will be used.