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EC number: 201-603-3 | CAS number: 85-41-6
Henry's Law constant
Administrative data
- Endpoint:
- Henry's law constant
- Type of information:
- calculation (if not (Q)SAR)
- Remarks:
- Bond-method calculation
- Adequacy of study:
- other information
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- secondary literature
Data source
Referenceopen allclose all
- Reference Type:
- secondary source
- Title:
- Phthalimide - CAS No: 85-41-6
- Author:
- OECD SIDS
- Year:
- 2 005
- Bibliographic source:
- SIDS Initial Assessment Report for 20th SIAM, UNEP Publications
- Reference Type:
- other company data
- Title:
- Unnamed
- Year:
- 2 004
- Report date:
- 2004
- Reference Type:
- publication
- Title:
- Volatilization from water
- Author:
- Thomas RG
- Year:
- 1 990
- Bibliographic source:
- In: Lyman WJ, Reehl WF, and Rosenblatt DH (eds.). Handbook of chemical property estimation methods. McGraw-Hill Book Company, New York, 15-1¿15-34.
Materials and methods
Test material
- Reference substance name:
- Phthalimide
- EC Number:
- 201-603-3
- EC Name:
- Phthalimide
- Cas Number:
- 85-41-6
- Molecular formula:
- C8H5NO2
- IUPAC Name:
- 1H-isoindole-1,3(2H)-dione
Constituent 1
Results and discussion
Any other information on results incl. tables
OECD SIDS (2005):
The distribution coefficient of phthalimide between aqueous solutions and air was calculated using the Bond-method. The Henry¿s law constant (HLC) was 0.00103 Pa m3/mol at 25 °C.Using the characteristic vapour pressure and solubility of phthalimideat 25 °C, and applying the HLC formula (vapour pressure/water solubility), a HLC of 0.00022 Pa m3/mol is obtained (Bayer Industry Services, 2004).
These data indicate that phthalimide is essentially non volatile from aqueous solution according to the criteria of Thomas (1990).
Distribution in water-air:
Property |
Method |
Value |
Reference |
Henry's law constant |
Bond-method (calculation) |
1.03 x 10-3Pa m3/mol |
Bayer Industry Services, 2004 |
Henry´slaw constant |
Ratio betweenvapourpressure and water solubility |
0.22 x 10-3Pa m3/mol |
Bayer Industry Services, 2004 |
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