Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
calculation (if not (Q)SAR)
Remarks:
Migrated phrase: estimated by calculation
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Scientifically acceptable method

Data source

Reference
Reference Type:
other: EPIWIN calculation
Title:
Unnamed
Year:
2013
Report date:
2014

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
Calculation of Henry's Law Constant. Software used: SRC HENRYWIN v3.20: Bond estimation method
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
2,5-xylenol
EC Number:
202-461-5
EC Name:
2,5-xylenol
Cas Number:
95-87-4
Molecular formula:
C8H10O
IUPAC Name:
2,5-dimethylphenol

Results and discussion

Henry's Law constant H
H:
0.069 Pa m³/mol
Temp.:
25 °C
Remarks on result:
other: The substance is (not) within the applicability domain of the model.

Any other information on results incl. tables

----------+---------------------------------------------+---------+----------

CLASS | BOND CONTRIBUTION DESCRIPTION | COMMENT | VALUE

----------+---------------------------------------------+---------+----------

HYDROGEN | 6 Hydrogen to Carbon (aliphatic) Bonds | | -0.7181

HYDROGEN | 3 Hydrogen to Carbon (aromatic) Bonds | | -0.4629

HYDROGEN | 1 Hydrogen to Oxygen Bonds | | 3.2318

FRAGMENT | 2 C-Car | | 0.3239

FRAGMENT | 6 Car-Car | | 1.5828

FRAGMENT | 1 Car-OH | | 0.5967

----------+---------------------------------------------+---------+----------

RESULT | BOND ESTIMATION METHOD for LWAPC VALUE | TOTAL | 4.554

----------+---------------------------------------------+---------+----------

HENRYs LAW CONSTANT at 25 deg C = 6.83E-007 atm-m3/mole

= 2.79E-005 unitless

= 6.92E-002 Pa-m3/mole

Applicant's summary and conclusion