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Melting point / freezing point

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Reference
Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
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:
Data is from experimental study report
Qualifier:
according to guideline
Guideline:
other: Refer below principle
Principles of method if other than guideline:
Principle of this study was to observe the freezing point of test chemical.
GLP compliance:
no
Type of method:
other: Standard laboratory method
Key result
Melting / freezing pt.:
< -10.08 °C
Atm. press.:
963.3 hPa
Remarks on result:
other: other details not available

Observation Table & Result :

 Method Details    Observations
 Guideline  -  
 Method Freezing Temperature Method  
 Principle of method

 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

ml/g

 1 ml

 Type of cooling bath used

  1. Cold Water
  2. Crushed Ice
  3. Crushed Ice-Salt
  4. Dry Ice
  5. Other (specify)

 

Crushed Ice-

Salt

Type and model no. of temperature sensor used

  1. Glass thermometer
  2. Thermocouple
  3. Thermistor
  4. Other (specify)

Glass

thermometer

Atmospheric pressure

hPa

 963.3 hPa

 Freezing point °C

 °C

 less than -10.08 °C

Conclusions:
Freezing point of test chemical was observed to be less than -10.08 °C.
Executive summary:

A study was performed to observe the freezing point of test chemical at atmospheric pressure. The study was conducted using Standard laboratory method. The Freezing point was observed to be less than -10.08 ºC at 963.3 hPa.

Description of key information

A study was performed to observe the freezing point of test chemical at atmospheric pressure. The study was conducted using Standard laboratory method. The Freezing point was observed to be less than -10.08 ºC at 963.3 hPa.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
-10.08 °C

Additional information

A study was performed to observe the freezing point of test chemical at atmospheric pressure. The study was conducted using Standard laboratory method. The Freezing point was observed to be less than -10.08 ºC at 963.3 hPa.