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Environmental fate & pathways

Henry's Law constant

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Administrative data

Endpoint:
Henry's law constant
Type of information:
calculation (if not (Q)SAR)
Adequacy of study:
other information
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
results derived from a (Q)SAR model, with limited documentation / justification, but validity of model and reliability of prediction considered adequate based on a generally acknowledged source

Data source

Reference
Reference Type:
publication
Title:
Generic models for evaluating the regional fate of chemicals.
Author:
Mackay D, Paterson S, Shiu WY
Year:
1992
Bibliographic source:
Chemosphere|24(6): 695-717

Materials and methods

Test material

Constituent 1
Chemical structure
Reference substance name:
Methacrylamide
EC Number:
201-202-3
EC Name:
Methacrylamide
Cas Number:
79-39-0
Molecular formula:
C4H7NO
IUPAC Name:
methacrylamide
Specific details on test material used for the study:
SMILES structure: CC(=C)C(N)=O

Results and discussion

Henry's Law constant H
H:
0.006 Pa m³/mol
Temp.:
25 °C
Atm. press.:
1 013 hPa

Applicant's summary and conclusion

Conclusions:
As Henry's law constant is well below 3*10 E-2 Pa*m³/mol volatization from water into air is considered negligible.