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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
Study period:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
test procedure in accordance with national standard methods with acceptable restrictions
Test procedure in accordance with national standard methods (OECD) without GLP.
according to guideline
OECD Guideline 102 (Melting point / Melting Range)
GLP compliance:
Type of method:
capillary method
Key result
Melting / freezing pt.:
64 °C
Atm. press.:
ca. 1 atm


Date of calibration: 2009 -09 -30

Operator: R. Bartel

calibration material: Bezophenone

Lot No. of calibration material: 1322818 42507215

melting point (theory) in °C: 47.6 (+/-0.2)

melting point (experimental) in °C: 47.7


(triple determination)

initial temperature in °C: 58.0 / 58.0 / 58.0

final temperature in °C: 75.0 / 75.0 / 75.0

Melting point in °C: 64.1 / 64.3 / 64.8

measurement pressure: atmospheric pressure

A pour point value of 64°C at atmospheric pressure was determined for the substance using a relevant test method. The result is considered to be reliable.
Executive summary:

The pour point of Icosan-1 -ol was assessed according to OECD Guidline 102. The pour point was 64°C at atmospheric pressure.

Description of key information

The pour point of icosan-1-ol is 64°C at 1013 hPa.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
64 °C

Additional information

A measured pour point value of 64°C at 1013 hPa was determined in accordance with OECD 102 Test Guideline.The result is considered to be reliable and is selected as key study.

It is supported by a values of 66.1°C at 1013 hPa and 72-73°C at 1013 hPa taken from a reliable handbook, and a value of 66°C from a secondary source to which reliability could not be assigned.

Discussion of trends in the Category of C6-24 linear and essentially-linear aliphatic alcohols:

As the chain length increases, melting point increases. This is because molecular weight is higher and intermolecular forces in the substance are all higher.