Registration Dossier
Registration Dossier
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EC number: 202-774-7 | CAS number: 99-63-8
Henry's Law constant
Administrative data
- Endpoint:
- Henry's law constant
- Type of information:
- migrated information: read-across based on grouping of substances (category approach)
- Adequacy of study:
- supporting study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Calculation based on ECHA guidance.
Data source
Reference
- Reference Type:
- other: REACH Guidance
- Title:
- Chapter R.16: Environmental Exposure Estimation
- Author:
- European Chemicals Agency
- Year:
- 2 008
- Bibliographic source:
- Guidance on Information, Requirements, and Chemical Safety Assessment
Materials and methods
- Principles of method if other than guideline:
- Calculated from vapour pressure (3.5E-6 Pa), solubility (5400 mg/L) and MW (166.13 g/mol) using EQUATION R.16-10 (HENRY = (VP*MW/Solubility).
Test material
- Reference substance name:
- Isophthalic acid
- EC Number:
- 204-506-4
- EC Name:
- Isophthalic acid
- Cas Number:
- 121-91-5
- Molecular formula:
- C8H6O4
- IUPAC Name:
- benzene-1,3-dicarboxylic acid
Constituent 1
Results and discussion
Henry's Law constant H
- H:
- 0 other: Pa m³/mol (1.08E-7)
Applicant's summary and conclusion
- Conclusions:
- Henry's Law constant (calculated) for isophthalic acid = 1.08E-7 Pa m³/mol
- Executive summary:
Henry's Law constant (calculated) = 1.08E-7 Pa m³/mol. Calculated from vapour pressure (0.0000035 Pa), solubility (5400 mg/L) and MW (166.13 g/mol) using EQUATION R.16 -10 (HENRY = (VP*MW/Solubility).
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