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Physical & Chemical properties

Vapour pressure

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Endpoint:
vapour pressure
Type of information:
calculation (if not (Q)SAR)
Adequacy of study:
key study
Study period:
2009-2010
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Calculated value.
Justification for type of information:
A discussion and report on the read across strategy is given as an attachment in IUCLID Section 13.
Reason / purpose for cross-reference:
read-across: supporting information
Principles of method if other than guideline:
Internal TOTAL method based on boiling range and density
GLP compliance:
no
Remarks:
estimated by calculation
Type of method:
other: calculated
Key result
Temp.:
20 °C
Vapour pressure:
<= 0.004 kPa
Conclusions:
The vapour pressure, estimated by an Internal TOTAL method based on boiling range and density, is less than 0.004 kPa at 20°C.
Executive summary:

The vapour pressure of the substance Hydrocarbons, C13-C18, n-alkanes, isoalkanes, cyclics, <2% aromatics, calculated with an Internal TOTAL method based on boiling range and density, is less than 0.004 kPa at 20°C.

Endpoint:
vapour pressure
Type of information:
calculation (if not (Q)SAR)
Adequacy of study:
key study
Study period:
2010
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Calculated value.
Justification for type of information:
A discussion and report on the read across strategy is given as an attachment in IUCLID Section 13.
Reason / purpose for cross-reference:
read-across: supporting information
Principles of method if other than guideline:
Internal ExxonMobil Chemical method based on boiling range and density
GLP compliance:
no
Remarks:
estimated by calculation
Type of method:
other: calculated
Key result
Temp.:
20 °C
Vapour pressure:
0.001 kPa
Conclusions:
The vapour pressure, estimated by an Internal ExxonMobil Chemical method based on boiling range and density, is 0.001 kPa at 20°C.
Executive summary:

The vapour pressure of the substance Hydrocarbons, C14-C18, n-alkanes, isoalkanes, cyclics, <2% aromatics has been calculated with an Internal ExxonMobil Chemical method based on boiling range and density. The obtained result is 0.001 kPa at 20°C.

Endpoint:
vapour pressure
Type of information:
calculation (if not (Q)SAR)
Adequacy of study:
key study
Study period:
2010
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Calculated value.
Justification for type of information:
A discussion and report on the read across strategy is given as an attachment in IUCLID Section 13.
Reason / purpose for cross-reference:
read-across: supporting information
Principles of method if other than guideline:
Internal TOTAL method based on boiling range and density
GLP compliance:
no
Remarks:
estimated by calculation
Type of method:
other: calculated
Key result
Temp.:
20 °C
Vapour pressure:
0.001 kPa
Conclusions:
The vapour pressure, estimated by an Internal TOTAL method based on boiling range and density, is 0.001 kPa at 20°C.
Executive summary:

The vapour pressure of the substance Hydrocarbons, C14 -C18, n-alkanes, isoalkanes, cyclics, <2% aromatics has been calculated with an TOTAL method based on boiling range and density. The obtained result is 0.001 kPa at 20°C.

Endpoint:
vapour pressure
Type of information:
calculation (if not (Q)SAR)
Adequacy of study:
key study
Study period:
2010
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Calculated data
Justification for type of information:
A discussion and report on the read across strategy is given as an attachment in IUCLID Section 13.
Reason / purpose for cross-reference:
read-across: supporting information
Qualifier:
according to guideline
Guideline:
other: ESIG Tool
Deviations:
no
Principles of method if other than guideline:
Calculation based on density and boiling range
GLP compliance:
no
Remarks:
Not relevant (calculation)
Type of method:
other: calculated
Key result
Temp.:
20 °C
Vapour pressure:
< 0.001 kPa
Conclusions:
The calculated vapour pressure of the substance Hydrocarbons, C16-C20, n-alkanes, isoalkanes, cyclics, <2% aromatics is lower than 0.001 kPa at 20°C.
Executive summary:

The calculated vapour pressure of the substance Hydrocarbons, C16-C20, n-alkanes, isoalkanes, cyclics, <2% aromatics is lower than 0.001 kPa at 20°C.

Endpoint:
vapour pressure
Type of information:
calculation (if not (Q)SAR)
Adequacy of study:
key study
Study period:
2010
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Calculated data
Justification for type of information:
A discussion and report on the read across strategy is given as an attachment in IUCLID Section 13.
Reason / purpose for cross-reference:
read-across: supporting information
Qualifier:
according to guideline
Guideline:
other: TOTAL Method
Deviations:
no
Principles of method if other than guideline:
Calculation based on density and boiling range
GLP compliance:
no
Remarks:
Not relevant (calculation)
Type of method:
other: calculated
Key result
Temp.:
20 °C
Vapour pressure:
< 0.001 kPa
Conclusions:
The calculated vapour pressure of the substance Hydrocarbons, C16-C20, n-alkanes, isoalkanes, cyclics, <2% aromatics is lower than 0.001 kPa at 20°C.
Executive summary:

The calculated vapour pressure of the substance Hydrocarbons, C16-C20, n-alkanes, isoalkanes, cyclics, <2% aromatics is lower than 0.001 kPa at 20°C.

Description of key information

There is no data available for Hydrocarbons, C16-C18, Isoalkanes, <2% aromatics. Data is therefore read across to Hydrocarbons, C13-C18, n-alkanes, isoalkanes, cyclics, < 2% aromatics; Hydrocarbons, C14-C18, n-alkanes, isoalkanes, cyclics, <2% aromatics; and Hydrocarbons, C16-C20, n-alkanes, isoalkanes, cyclics, <2% aromatics, using the Category approach. 

The vapour pressure of Hydrocarbons, C16-C18, Isoalkanes, <2% aromatics is expected to be <10 Pa at 20°C.

The estimated vapour pressure of the substance Hydrocarbons, C13-C18, n-alkanes, isoalkanes, cyclics, <2% aromatics is 0.004 kPa at 20°C.

The estimated vapour pressure of the substance Hydrocarbons, C14-C18, n-alkanes, isoalkanes, cyclics, <2% aromatics is typically 0.001 kPa at 20°C.

The calculated vapour pressure of the substance Hydrocarbons, C16-C20, n-alkanes, isoalkanes, cyclics, <2% aromatics is <0.001 kPa at 20°C.

Key value for chemical safety assessment

Additional information

There is no data available for Hydrocarbons, C16-C18, Isoalkanes, <2% aromatics. Data is therefore read across to Hydrocarbons, C13-C18, n-alkanes, isoalkanes, cyclics, < 2% aromatics; Hydrocarbons, C14-C18, n-alkanes, isoalkanes, cyclics, <2% aromatics; and Hydrocarbons, C16-C20, n-alkanes, isoalkanes, cyclics, <2% aromatics, using the Category approach. 

The estimated vapour pressure of the substance Hydrocarbons, C13-C18, n-alkanes, isoalkanes, cyclics, <2% aromatics is 0.004 kPa at 20°C (TOTAL Fluides, 2010a, Klimisch score = 2).

The estimated vapour pressure of the substance Hydrocarbons, C14-C18, n-alkanes, isoalkanes, cyclics, <2% aromatics is typically 0.001 kPa at 20°C (Exxon 2010a, Klimisch score = 2; TOTAL Fluides, 2010b, Klimisch score = 2; and Petrochem Carless, 2009a, Klimsch score = 2).

The calculated vapour pressure of the substance Hydrocarbons, C16-C20, n-alkanes, isoalkanes, cyclics, <2% aromatics is <0.001 kPa at 20°C (Exxon 2010b, Klimisch score = 2; TOTAL Fluides, 2010c; Klimisch score = 2; and Petrochem Carless, 2010a, Klimisch score = 2).