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Physical & Chemical properties

Melting point / freezing point

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Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: This result was taken from a handbook or collection of data which is peer-reviewed and in which the original sources of the data are traceable.
Principles of method if other than guideline:
No details are available on the guideline used to derive this result.
GLP compliance:
not specified
Melting / freezing pt.:
22.6 - 24 °C
Atm. press.:
1 013 hPa
Conclusions:
A melting point value of 22.6-24ºC was reported in a handbook of reliable data which has been subject to peer-review and in which the original data sources are traceable. The result is considered to be reliable.
Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2009-11-09 and 2009-09-15
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Test procedure in accordance with national standard methods (ASTM) without GLP.
Qualifier:
according to guideline
Guideline:
other: ASTM-D97 Standard Test Method for Pour Point of Petroleum Products
Deviations:
not specified
GLP compliance:
no
Type of method:
pour point
Melting / freezing pt.:
24 °C
Atm. press.:
ca. 101.3 kPa
Decomposition:
no
Sublimation:
no
Remarks on result:
other: Pour point

Measurement parameters:

Thermometer range: -38 to 50 °C

Sample volume: 30 mL

Measurement:

Pour point: 24 °C / 24 °C (duplicate measurement at two different days)

Conclusions:
Pour point of Dodecan-1-ol: 24 °C at atmospheric pressure
Executive summary:

The Pour Point of Dodecan-1 -ol was determined to be 24 °C (duplicate measurement at two different days) at atmospheric pressure according to ASTM-D97 Standard Test Method for Pour Point of Petroleum Products.

Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: This result was derived from a peer-reviewed handbook (CRC Handbook).
Principles of method if other than guideline:
No information available regarding guideline used to determine this result. The value is rounded to the nearest 0.1ºC.
GLP compliance:
not specified
Melting / freezing pt.:
24 °C
Atm. press.:
1 013 hPa
Melting / freezing pt.:
26 °C
Atm. press.:
1 013 hPa
Remarks on result:
other: This value was taken from an earlier edition of the Handbook (1990)
Conclusions:
A melting point value of 24ºC was reported in a handbook of reliable data which has been subject to peer-review and in which the original data sources are traceable. The result is considered to be reliable.

Description of key information

The melting point of dodecan-1-ol is 24°C.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
24 °C

Additional information

A measured pour point value of 24°C at 1013 hPa was determined in accordance with ASTM-D97 test method. The result is considered to be reliable.

It is supported by values of ca. 23 - 26°C taken from reliable handbooks.

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.