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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Physical & Chemical properties

Additional physico-chemical information

Administrative data

Endpoint:
other: heat of formation
Type of information:
not specified
Adequacy of study:
other information
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Data from handbook or collection of data

Data source

Referenceopen allclose all

Reference Type:
review article or handbook
Title:
Fluorine compounds, inorganic, fluorosulfuric acid
Author:
Francis E. Evans and Ganpad Mani
Year:
1994
Bibliographic source:
Kirk-Othmer Encyclopedia of Chemical Technology, by John Wiley & Sons, Inc.
Title:
No information
Author:
Richards G W and Woolf A A, J. Chem. Soc. A(1967), p. 1118

Materials and methods

Principles of method if other than guideline:
data from handbook
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Fluorosulphuric acid
EC Number:
232-149-4
EC Name:
Fluorosulphuric acid
Cas Number:
7789-21-1
Molecular formula:
FHO3S
IUPAC Name:
sulfurofluoridic acid
Details on test material:
- Name of test material (as cited in study report): Fluorosulfuric acid
- Analytical purity: no data

Results and discussion

Any other information on results incl. tables

Heat of formation from SO3 and HF: delta Hf  =  792.45 kJ/mol

Applicant's summary and conclusion