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The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Melting point / freezing point

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Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
from 12/2007 to 03/2008
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Non-GLP compliant study report.
Qualifier:
according to guideline
Guideline:
other: ASTM D87-87
GLP compliance:
no
Type of method:
thermal analysis
Melting / freezing pt.:
246 K
Melting / freezing pt.:
251.65 K

EXPERIMENTAL CONDITIONS:

Starting temperature: 24ºC

Final temperature: -60ºC

Rate: -1.5ºC/min.

RESULT:

Freezing point < -20ºC

Accuracy +/- 0.5ºC

Conclusions:
The freezing point of the test substance (Aldehyde C8) was determined to be < -20ºC.
Executive summary:

The freezing point of the test substance (Aldehyde C8) was determined according to method ASTM D87-87 and it was found to be <-20ºC.

Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
supporting study
Study period:
2010
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Measured experimental data quoted in a database.
Qualifier:
equivalent or similar to guideline
Guideline:
other: not stated
Principles of method if other than guideline:
No method quoted
GLP compliance:
not specified
Type of method:
other: not stated
Melting / freezing pt.:
246 K
Melting / freezing pt.:
251.65 K

No further details were provided.

Conclusions:
Three results were quoted: 246 K, 246 K, 251.65 K, giving an average of 247.88 K (-25.3 °C).
Executive summary:

Three results were quoted: 246 K, 246 K, 251.65 K, giving an average of 247.88 K (-25.3 °C) according to measured experimental data quoted in a database.

Description of key information

The freezing point of the test substance (Aldehyde C8) was determined to be < -20ºC.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
-20 °C

Additional information