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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
Study period:
2008-12-01 to 2008-12-04
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
capillary method
Specific details on test material used for the study:
- Name of test material (as cited in study report): Dibenzyltoluene
- Substance type: product
- Physical state: liquid
- Lot/batch No.: 0845
- Expiration date of the lot/batch: 2009-10-08 at the earliest
- Storage condition of test material: in a closed vessel at room temperature (20 ± 5°C)
- Other:
Production date: 2008-10-08
Appearance: colourless to yellow, clear liquid
Melting / freezing pt.:
-38.5 - -32.8 °C
Remarks on result:
other: Standard deviation: 0.35 (begin); 0.35 (end)

Values Pre-Test

 5 °C  - 20 °C - 80 °C
 liquid  liquid-solid  solid

Values Main Study

 Melting range  Begin  End
 First determination  -38.7 °C  -33.0 °C
 Second determination  -38.2 °C  -32.5 °C

A melting range is stated.

Conclusions:
The determination was performed in duplicate. In both determinations, a melting range was detected.
The melting range was determined as -38.5 to -32.8 °C (234.8 to 240.5 K). This value is the mean of two indipendent determinations.

Description of key information

A melting range of -38.5 to -32.8 °C was stated.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
-38.5 °C

Additional information

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