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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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)
Rationale for reliability incl. deficiencies:
other: Estimation Programs Interface Suite by US EPA

Data source

Reference
Reference Type:
other: Prediction model
Title:
Henry's 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) from EPI Suite Database
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
7-anilino-4-hydroxynaphthalene-2-sulphonic acid
EC Number:
204-320-3
EC Name:
7-anilino-4-hydroxynaphthalene-2-sulphonic acid
Cas Number:
119-40-4
Molecular formula:
C16H13NO4S
IUPAC Name:
7-anilino-4-hydroxynaphthalene-2-sulfonic acid
Test material form:
solid: particulate/powder
Details on test material:
- Name of test material (as cited in study report): 7-Anilino-4-hydroxynaphthalene-2-sulphonic acid- Molecular formula: C16H13NO4S- Molecular weight: 315.35 g/mOl- Smiles notation: c1ccc(cc1)Nc2ccc3c(c2)cc(cc3O)S(=O)(=O)O- Substance type: Organic- Physical state: Solid

Results and discussion

Henry's Law constant H
H:
0 Pa m³/mol
Temp.:
25 °C
Remarks on result:
other: HENRYs LAW CONSTANT at 25 deg C= 0.000000000000505 Pa-m3/mole

Applicant's summary and conclusion

Conclusions:
Henry’s law constant of 7-Anilino-4-hydroxynaphthalene-2-sulphonic acid was estimated to be 0.000000000000505 Pa-m3/mole at 25 degC.
Executive summary:

Henry's Law states that at a constant temperature, the amount of a given gas that dissolves in a given type and volume of liquid is directly proportional to the partial pressure of that gas in equilibrium with that liquid. Henry’s law constant of 7-Anilino-4-hydroxynaphthalene-2-sulphonic acid was estimated to be 0.000000000000505 Pa-m3/mole at 25 degC.