Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Data source

Reference
Reference Type:
other: Prediction model
Title:
HENRYs LAW CONSTANT by EPI (Estimation Programs Interface) Suite
Author:
Sustainability Support Service (Europe) AB - estimated
Year:
2011
Bibliographic source:
Estimation Programs Interface Suite™ United States Environmental Protection Agency, Washington, DC, USA. version 4.1

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: Modelling database
Principles of method if other than guideline:
HENRYWIN (v3.20) Program
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
4-nitro-o-xylene
EC Number:
202-761-6
EC Name:
4-nitro-o-xylene
Cas Number:
99-51-4
Molecular formula:
C8H9NO2
IUPAC Name:
4-nitro-o-xylene
Details on test material:
Substance Name : 4-nitro-o-xylene
Molecular Formula : C8H9NO2
Physical state : Liquid

Results and discussion

Henry's Law constant H
H:
5.18 Pa m³/mol
Temp.:
25 °C
Remarks on result:
other: Estimated via Bond Contribution Method

Applicant's summary and conclusion

Conclusions:
Henry's law constant of 4-nitro-o-xylene is estimated as 5.18 Pa-m3/mole at 25 deg C by means of bond contribution method. Based on this, it is concluded that this substance has moderate volatility.

Executive summary:

Henry's law constant of 4-nitro-o-xylene is estimated as 5.18 Pa-m3/mole at 25 deg C by means of bond contribution method. Based on this, it is concluded that this substance has moderate volatility.