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Physical & Chemical properties

Melting point / freezing point

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Reference
Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
17-03-2018 – 17- 03-2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
test procedure in accordance with generally accepted scientific standards and described in sufficient detail
Justification for type of information:
Experimental test result performed using standard test guidelines
Qualifier:
according to
Guideline:
other: as mentioned below
Principles of method if other than guideline:
The Freezing point of Reaction mass of Ethanaminium, N-​[4-​[[4-​(diethylamino)​phenyl]​phenylmethylene]​-​2,​5-​cyclohexadien-​1-​ylidene]​-​N-​ethyl-​ & acetate was done using crushed ice + salt.
GLP compliance:
not specified
Type of method:
other: standard laboratory method
Specific details on test material used for the study:
- Name of test material: Reaction mass of Ethanaminium, N-​[4-​[[4-​(diethylamino)​phenyl]​phenylmethylene]​-​2,​5-​cyclohexadien-​1-​ylidene]​-​N-​ethyl-​ & acetate
- Molecular formula: C29H36N2O2
- Molecular weight: 444.615 g/mole
- Substance type: Organic
- Physical state: maroon lustrous liquid
Key result
Melting / freezing pt.:
< -9.21 °C
Atm. press.:
976.2 hPa
Decomposition:
no
Remarks on result:
other: other details not available

Method Details

Observations

Remarks if, any

Method

Freezing Temperature Method

-

 

Principle of Freezing point test

The freezing point of a pure sample is the temperature at which transition from liquid to solid state takes place at atmospheric pressure.

-

Quantity of test item used

g

1ml

Type of cooling bath used

 

Cold Water Crushed Ice Crushed Ice-Salt Dry Ice

Other (specify)

 

 

Crushed Ice- Salt

Type and model no. of temperature sensor used

 

Glass thermometer Thermocouple Thermistor

Other (specify)

Thermistor

Atmospheric pressure

hPa

976.2 hPa

Freezing point

°C

°C

less than -9.21

°C

 

Conclusions:
The Freezing point of Reaction mass of Ethanaminium, N-​[4-​[[4-​(diethylamino)​phenyl]​phenylmethylene]​-​2,​5-​cyclohexadien-​1-​ylidene]​-​N-​ethyl-​ & acetate was determined using freezing temperature method. No freezing was observed up to less than -9.21 °C.
Executive summary:

The Freezing point determination of Reaction mass of Ethanaminium, N-​[4-​[[4-​(diethylamino)​phenyl]​phenylmethylene]​-​2,​5-​cyclohexadien-​1-​ylidene]​-​N-​ethyl-​ & acetate was done using crushed ice +salt. No freezing was observed up to -9.21°C. Hence, the freezing point was inferred to be less than -9.21°C at 976.2hPa.

Description of key information

The Freezing point of Reaction mass of Ethanaminium, N-​[4-​[[4-​(diethylamino)​phenyl]​phenylmethylene]​-​2,​5-​cyclohexadien-​1-​ylidene]​-​N-​ethyl-​ & acetate was determined using freezing temperature method. No freezing was observed up to less than -9.21 °C.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
-9.21 °C

Additional information

The Freezing point determination of Reaction mass of Ethanaminium, N-​[4-​[[4-​(diethylamino)​phenyl]​phenylmethylene]​-​2,​5-​cyclohexadien-​1-​ylidene]​-​N-​ethyl-​ & acetate was done using crushed ice +salt. No freezing was observed up to -9.21°C. Hence, the freezing point was inferred to be less than -9.21°C at 976.2hPa.