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Melting point / freezing point

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Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
comparable to guideline study with acceptable restrictions
Reason / purpose for cross-reference:
reference to same study
Qualifier:
equivalent or similar to guideline
Guideline:
other: ASTM D97 - Standard Test Method for Pour Point of Petroleum Products
Qualifier:
equivalent or similar to guideline
Guideline:
other: IP 15: Petroleum products - Determination of pour point
Qualifier:
equivalent or similar to guideline
Guideline:
other: ISO 3016: Petroleum products - Determination of pour point
GLP compliance:
not specified
Type of method:
pour point
Key result
Melting / freezing pt.:
-27 °C
Atm. press.:
ca. 1 013 hPa

No pressure reported. It is assumed that the experiment was conducted at ambient pressure of ca. 1013 hPa.

Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
comparable to guideline study with acceptable restrictions
Reason / purpose for cross-reference:
reference to same study
Qualifier:
equivalent or similar to guideline
Guideline:
other: ASTM D97 - Standard Test Method for Pour Point of Petroleum Products
Qualifier:
equivalent or similar to guideline
Guideline:
other: IP 15: Petroleum products - Determination of pour point
Qualifier:
equivalent or similar to guideline
Guideline:
other: ISO 3016: Petroleum products - Determination of pour point
GLP compliance:
not specified
Type of method:
pour point
Key result
Melting / freezing pt.:
-21 °C
Atm. press.:
ca. 1 013 hPa

No pressure reported. It is assumed that the experiment was conducted at ambient pressure of ca. 1013 hPa.

Description of key information

Melting range: -27 to -21 °C (ASTM D97, pour point)

No pressure reported. It is assumed that the experiment was conducted at ambient pressure of ca. 1013 hPa.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
-21 °C

Additional information

The melting point temperature changes with the composition of the substance.

Experimental data are available for two compositions (named grade one and grade two). The following melting points were determined for them:

Grade one: -27 °C

Grade two: -21 °C