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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Vapour pressure

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Administrative data

Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Data from handbook or collection of data

Data source

Reference
Reference Type:
review article or handbook
Title:
Chlorosulfuric Acid
Author:
Maas J and Baunack F
Year:
2003
Bibliographic source:
Ullmann's Encyclopedia of Chemistry, Vol. 8, p. 405-410, Wiley-VCH, Weinheim 2003

Materials and methods

Principles of method if other than guideline:
secondary peer reviewed source, valid collection of data
GLP compliance:
not specified
Type of method:
other: not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Chlorosulphuric acid
EC Number:
232-234-6
EC Name:
Chlorosulphuric acid
Cas Number:
7790-94-5
Molecular formula:
ClHO3S
IUPAC Name:
sulfurochloridic acid
Details on test material:
- Name of test material (as cited in study report): chlorosulfuric acid
- Analytical purity: no data

Results and discussion

Vapour pressure
Temp.:
20 °C
Vapour pressure:
128 Pa
Remarks on result:
other: read from the equation as cited in literature

Any other information on results incl. tables

logP = 11.496 - 2752/T

P: vapour pressure in Pa

T: temperature in K

Applicant's summary and conclusion