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Physical & Chemical properties

Boiling point

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Endpoint:
boiling point
Type of information:
experimental study
Adequacy of study:
weight of evidence
Study period:
1991
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
documentation insufficient for assessment
Remarks:
Documentation insufficient for assessment: no data on methodology
Reason / purpose:
reference to same study
Reason / purpose:
reference to other study
Principles of method if other than guideline:
Method followed unknown
GLP compliance:
not specified
Type of method:
other: no data
Key result
Boiling pt.:
450.6 K
Atm. press.:
101.32 kPa

Literature data: Boiling point of (+)-limonene at 101.32 kPa [Handbook of Chemistry and Physics, CRC (1978 -1979)] = 451.2 K

Conclusions:
The boiling point of (+)-limonene was measured to be 450.6 K at 101.32 kPa.
Executive summary:

The boiling point of (+)-limonene was measured to be 450.6 K at 101.32 kPa.

Endpoint:
boiling point
Type of information:
experimental study
Adequacy of study:
weight of evidence
Study period:
no data
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
secondary literature
Reason / purpose:
reference to same study
Reason / purpose:
reference to other study
Principles of method if other than guideline:
Method: Weast, 1982-83; Lide, 2003
GLP compliance:
not specified
Type of method:
other: no data
Key result
Boiling pt.:
178 °C
Decomposition:
no
Remarks:
no data available
Remarks on result:
other: no data available on atmospheric pressure

None

Conclusions:
The boiling point of d-limonene is 178 °C.
Executive summary:

The boiling point of d-limonene is 178 °C.

Endpoint:
boiling point
Type of information:
experimental study
Adequacy of study:
weight of evidence
Study period:
no data
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Reason / purpose:
reference to same study
Reason / purpose:
reference to other study
Principles of method if other than guideline:
Method followed unknown, data from handbook
GLP compliance:
not specified
Type of method:
other: no data
Key result
Boiling pt.:
>= 175.5 - <= 176 °C
Atm. press.:
763 mm Hg

None

Conclusions:
The boiling point of d-limonene is 175.5-176 °C at 763 mm Hg.
Executive summary:

The boiling point of d-limonene is 175.5-176 °C at 763 mm Hg.

The reliability of this result has been considered as 2 (reliable with restrictions) because ‘The Merck Index’ is cited as a reference book containing peer reviewed data in the REACH Guidance Document R.7a.

Endpoint:
boiling point
Type of information:
read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
supporting study
Justification for type of information:
D-Limonene is one of the two isomers of dipentene. Therefore, data on dipentene can be used for extrapolation to d-limonene. See read-across justification document in section 13.
Reason / purpose:
read-across source
Key result
Boiling pt.:
>= 175.5 - <= 176.5 °C
Atm. press.:
763 mm Hg

None

Conclusions:
The boiling point of dl-limonene is 175.5-176.5 °C at 763 mm Hg.
Executive summary:

The boiling point of dl-limonene is 175.5-176.5 °C at 763 mm Hg.

The reliability of this result has been considered as 2 (reliable with restrictions) because ‘The Merck Index’ is cited as a reference book containing peer reviewed data in the REACH Guidance Document R.7a.

Endpoint:
boiling point
Type of information:
read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
supporting study
Justification for type of information:
L-Limonene is the S-isomer of d-limonene. Therefore, data on l-limonene can be used for extrapolation to d-limonene. See read-across justification document in section 13.
Reason / purpose:
read-across source
Key result
Boiling pt.:
>= 175.5 - <= 176.5 °C
Atm. press.:
763 mm Hg

None

Conclusions:
The boiling point of l-limonene is 175.5-176.5 °C at 763 mm Hg.
Executive summary:

The boiling point of l-limonene is 175.5-176.5 °C at 763 mm Hg.

The reliability of this result has been considered as 2 (reliable with restrictions) because ‘The Merck Index’ is cited as a reference book containing peer reviewed data in the REACH Guidance Document R.7a.

Description of key information

The boiling point of d-limonene at 101 kPa is between 176 and 178 °C.

Key value for chemical safety assessment

Boiling point at 101 325 Pa:
176 °C

Additional information

In a weight of evidence approach, a range was given for the melting point of d-limonene, all literature values available being consistent and of the same order of magnitude.