Fluorosulphuric acid

Vapour pressure

Link to relevant study record(s)

Reference

Reference 1

Endpoint:

vapour pressure

Type of information:

experimental study

Adequacy of study:

weight of evidence

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

data from handbook or collection of data

Principles of method if other than guideline:

data from handbook

GLP compliance:

not specified

Temp.:

25 °C

Vapour pressure:

3.3 hPa

Executive summary:

Tabel E, Zirngiebl E, Maas J (Ullmann, 2005)

Fluorosulfuric acid: Vapour pressure at 25 °C: 3.30 hPa

Reference 2

Endpoint:

vapour pressure

Type of information:

experimental study

Adequacy of study:

weight of evidence

Study period:

1985

Reliability:

3 (not reliable)

Rationale for reliability incl. deficiencies:

other: limited documentation but sufficient for assessment

Principles of method if other than guideline:

not clear

GLP compliance:

not specified

Type of method:

dynamic method

Test no.:

#1

Temp.:

10 °C

Vapour pressure:

1 mBar

Test no.:

#2

Temp.:

20 °C

Vapour pressure:

2 mBar

Test no.:

#3

Temp.:

30 °C

Vapour pressure:

4 mBar

Test no.:

#4

Temp.:

40 °C

Vapour pressure:

8 mBar

Test no.:

#5

Temp.:

50 °C

Vapour pressure:

13 mBar

Test no.:

#6

Temp.:

55 °C

Vapour pressure:

17 mBar

Test no.:

#7

Temp.:

60 °C

Vapour pressure:

21 mBar

Test no.:

#8

Temp.:

70 °C

Vapour pressure:

34 mBar

Test no.:

#9

Temp.:

80 °C

Vapour pressure:

54 mBar

Test no.:

#10

Temp.:

90 °C

Vapour pressure:

83 mBar

no data on method of measurement and calculation of values

Temperature [°C]	Vapour pressure [mbar]
0	<1
10	1
20	2
30	4
40	8
50	13
55	17
60	21
70	34
80	54
90	83
100	124
110	181
120	259
130	366
140	507
150	693
160	932
163 (Bp.)	1016

Description of key information

Fluorosulfuric acid: Vapour pressure at 25 °C: 3.30 hPa.

Key value for chemical safety assessment

Vapour pressure:

3.3 hPa

at the temperature of:

25 °C