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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

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

Administrative data

Endpoint:
Henry's law constant
Type of information:
(Q)SAR
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Regulatory accepted QSAR method for organic chemicals properties assessment
Justification for type of information:
QSAR prediction: migrated from IUCLID 5.6

Data source

Reference
Reference Type:
other company data
Title:
Unnamed
Year:
2009

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: QSAR method
Principles of method if other than guideline:
HENRYWIN v.3.20
(US EPA, EPI Suite v 4.00)
GLP compliance:
no
Remarks:
not applicable to QSAR models

Test material

Constituent 1
Reference substance name:
data for components
IUPAC Name:
data for components
Details on test material:
data for components

Results and discussion

Any other information on results incl. tables

Overview of QSARs estimations on Henry’s law constant (HLC) of Diesel Fuel components

Method

 

Results

Remarks

Reference

Hexane, C6H14(CAS No. 110-54-3)

 

QSAR estimate

=1.71 atm-m3/mole

=1.73 x 105Pa-m3/mole (Henry’s law constant at 25oC; Bond Estimation Method)

 

=1.69 atm-m3/mole

=1.71 x 105Pa-m3/mole (Henry’s law constant at 25oC; Group Estimation Method)

 

Valid with restrictions (2); QSAR method;

Estimated values

HENRYWIN v.3.20

(US EPA, EPI Suite v 4.00)

Heptane, C7H16(CAS No. 142-82-5)

 

QSAR estimate

=2.27 atm-m3/mole

=2.3 x 105Pa-m3/mole (Henry’s law constant at 25oC; Bond Estimation Method)

 

=2.39 atm-m3/mole

=2.42 x 105Pa-m3/mole (Henry’s law constant at 25oC; Group Estimation Method)

 

Valid with restrictions (2); QSAR method;

Estimated values

HENRYWIN v.3.20

(US EPA, EPI Suite v 4.00)

Octane, C8H18(CAS No. 111-65-9)

 

QSAR estimate

=3.01 atm-m3/mole

=3.05 x 105Pa-m3/mole (Henry’s law constant at 25oC; Bond Estimation Method)

 

=3.38 atm-m3/mole

=3.42 x 105Pa-m3/mole (Henry’s law constant at 25oC; Group Estimation Method)

 

Valid with restrictions (2); QSAR method;

Estimated values

HENRYWIN v.3.20

(US EPA, EPI Suite v 4.00)

Nonane, C9H20(CAS No. 111-84-2)

 

QSAR estimate

=4.00 atm-m3/mole

=4.05 x 105Pa-m3/mole (Henry’s law constant at 25oC; Bond Estimation Method)

 

=4.77 atm-m3/mole

=4.83 x 105Pa-m3/mole (Henry’s law constant at 25oC; Group Estimation Method)

 

Valid with restrictions (2); QSAR method;

Estimated values

HENRYWIN v.3.20

(US EPA, EPI Suite v 4.00)

Decane, C10H22(CAS No. 124-18-5)

 

QSAR estimate

=5.30 atm-m3/mole

=5.37 x 105Pa-m3/mole (Henry’s law constant at 25oC; Bond Estimation Method)

 

=6.74 atm-m3/mole

=6.83 x 105Pa-m3/mole (Henry’s law constant at 25oC; Group Estimation Method)

 

Valid with restrictions (2); QSAR method;

Estimated values

HENRYWIN v.3.20

(US EPA, EPI Suite v 4.00)

Hendecane, C11H24(CAS No. 1120-21-4)

 

QSAR estimate

=7.04 atm-m3/mole

=7.13 x 105Pa-m3/mole (Henry’s law constant at 25oC; Bond Estimation Method)

 

=9.52 atm-m3/mole

=9.64 x 105Pa-m3/mole (Henry’s law constant at 25oC; Group Estimation Method)

 

Valid with restrictions (2); QSAR method;

Estimated values

HENRYWIN v.3.20

(US EPA, EPI Suite v 4.00)

Dodecane, C12H26(CAS No. 112-40-3)

 

QSAR estimate

=9.35 atm-m3/mole

=9.47 x 105Pa-m3/mole (Henry’s law constant at 25oC; Bond Estimation Method)

 

=13.4 atm-m3/mole

=13.6 x 105Pa-m3/mole (Henry’s law constant at 25oC; Group Estimation Method)

 

Valid with restrictions (2); QSAR method;

Estimated values

HENRYWIN v.3.20

(US EPA, EPI Suite v 4.00)

Tridecane, C13H28(CAS No. 629-50-5)

 

QSAR estimate

=12.4 atm-m3/mole

=12.6 x 105Pa-m3/mole (Henry’s law constant at 25oC; Bond Estimation Method)

 

=19 atm-m3/mole

=19.2 x 105Pa-m3/mole (Henry’s law constant at 25oC; Group Estimation Method)

 

Valid with restrictions (2); QSAR method;

Estimated values

HENRYWIN v.3.20

(US EPA, EPI Suite v 4.00)

Tetradecane, C14H30(CAS No. 629-59-4)

 

QSAR estimate

=16.5 atm-m3/mole

=16.7 x 105Pa-m3/mole (Henry’s law constant at 25oC; Bond Estimation Method)

 

=26.8 atm-m3/mole

=27.2 x 105Pa-m3/mole (Henry’s law constant at 25oC; Group Estimation Method)

 

Valid with restrictions (2); QSAR method;

Estimated values

HENRYWIN v.3.20

(US EPA, EPI Suite v 4.00)

Pentadecane, C15H32(CAS No. 629-62-9)

 

QSAR estimate

=21.9 atm-m3/mole

=2.22 x 106Pa-m3/mole (Henry’s law constant at 25oC; Bond Estimation Method)

 

=37.9 atm-m3/mole

=3.84 x 106Pa-m3/mole (Henry’s law constant at 25oC; Group Estimation Method)

 

Valid with restrictions (2); QSAR method;

Estimated values

HENRYWIN v.3.20

(US EPA, EPI Suite v 4.00)

Hexadecane, C16H34(CAS No. 544-76-3)

 

QSAR estimate

=29 atm-m3/mole

=2.94 x 106Pa-m3/mole (Henry’s law constant at 25oC; Bond Estimation Method)

 

=53.5 atm-m3/mole

=5.42 x 106Pa-m3/mole (Henry’s law constant at 25oC; Group Estimation Method)

 

Valid with restrictions (2); QSAR method;

Estimated values

HENRYWIN v.3.20

(US EPA, EPI Suite v 4.00)

Heptadecane, C17H36(CAS No. 629-78-7)

 

QSAR estimate

=38.5 atm-m3/mole

=3.91 x 106Pa-m3/mole (Henry’s law constant at 25oC; Bond Estimation Method)

 

=75.6 atm-m3/mole

=7.66 x 106Pa-m3/mole (Henry’s law constant at 25oC; Group Estimation Method)

 

Valid with restrictions (2); QSAR method;

Estimated values

HENRYWIN v.3.20

(US EPA, EPI Suite v 4.00)

Octadecane, C18H38(CAS No. 593-45-3)

 

QSAR estimate

=51.2 atm-m3/mole

=5.18 x 106Pa-m3/mole (Henry’s law constant at 25oC; Bond Estimation Method)

 

=107 atm-m3/mole

=1.08 x 107Pa-m3/mole (Henry’s law constant at 25oC; Group Estimation Method)

 

Valid with restrictions (2); QSAR method;

Estimated values

HENRYWIN v.3.20

(US EPA, EPI Suite v 4.00)

Nonadecane, C19H40(CAS No. 629-92-5)

 

QSAR estimate

=67.9 atm-m3/mole

=6.88 x 106Pa-m3/mole (Henry’s law constant at 25oC; Bond Estimation Method)

 

=151 atm-m3/mole

=1.53 x 107Pa-m3/mole (Henry’s law constant at 25oC; Group Estimation Method)

 

Valid with restrictions (2); QSAR method;

Estimated values

HENRYWIN v.3.20

(US EPA, EPI Suite v 4.00)

Eicosane, C20H42(CAS No. 112-95-8)

 

QSAR estimate

=90.2 atm-m3/mole

=9.14 x 106Pa-m3/mole (Henry’s law constant at 25oC; Bond Estimation Method)

 

=213 atm-m3/mole

=2.16 x 107Pa-m3/mole (Henry’s law constant at 25oC; Group Estimation Method)

 

Valid with restrictions (2); QSAR method;

Estimated values

HENRYWIN v.3.20

(US EPA, EPI Suite v 4.00)

Toluene, C7H8(CAS No. 108-88-3)

 

QSAR estimate

=0.00595 atm-m3/mole

=602 Pa-m3/mole (Henry’s law constant at 25oC; Bond Estimation Method)

 

=0.00573 atm-m3/mole

=581 Pa-m3/mole (Henry’s law constant at 25oC; Group Estimation Method)

 

Valid with restrictions (2); QSAR method;

Estimated values

HENRYWIN v.3.20

(US EPA, EPI Suite v 4.00)

Ethylbenzene, C8H10(CAS No. 100-41-4)

 

QSAR estimate

=0.00789 atm-m3/mole

=800 Pa-m3/mole (Henry’s law constant at 25oC; Bond Estimation Method)

 

=0.00888 atm-m3/mole

=900 Pa-m3/mole (Henry’s law constant at 25oC; Group Estimation Method)

 

Valid with restrictions (2); QSAR method;

Estimated values

HENRYWIN v.3.20

(US EPA, EPI Suite v 4.00)

p-Xylene, C8H10(CAS No. 106-42-3)

 

QSAR estimate

=0.00656 atm-m3/mole

=665 Pa-m3/mole (Henry’s law constant at 25oC; Bond Estimation Method)

 

=0.00614 atm-m3/mole

=623 Pa-m3/mole (Henry’s law constant at 25oC; Group Estimation Method)

 

Valid with restrictions (2); QSAR method;

Estimated values

HENRYWIN v.3.20

(US EPA, EPI Suite v 4.00)

o-Xylene, C8H10(CAS No. 95-47-6)

 

QSAR estimate

=0.00656 atm-m3/mole

=665 Pa-m3/mole (Henry’s law constant at 25oC; Bond Estimation Method)

 

=0.00614 atm-m3/mole

=623 Pa-m3/mole (Henry’s law constant at 25oC; Group Estimation Method)

 

Valid with restrictions (2); QSAR method;

Estimated values

HENRYWIN v.3.20

(US EPA, EPI Suite v 4.00)

Applicant's summary and conclusion

Conclusions:
There is no standard information requirement for data on Henry’s law constant (HLC) in accordance with REACH regulation. However, it is one of the most important factors in determining the environmental fate of chemicals. In general, for substances with HLC > 100 Pa- m3/mole volatilization is rapid.