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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Flash point

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
flash point of flammable liquids
Type of information:
read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
weight of evidence
Justification for type of information:
Target and source substances are highly similar, both structurally and chemically.
Reason / purpose for cross-reference:
read-across source
Qualifier:
according to guideline
Guideline:
EU Method A.9 (Flash-Point)
Deviations:
no
GLP compliance:
no
Type of method:
equilibrium method closed cup
Flash point:
> 125 °C
Atm. press.:
1 013 hPa

Preliminary measurement:

No flash point was observed in the preliminary test. To confirm this result the main test was performed.

Test item / ml

Starting temperature / °C

Measured flash point / °C

2

50, 100

---

4

100, 110

---

4

110, 115, 120, 125

---

Main Test:

At 120 °C the test item started to boil. Thus no flash point up to 125 °C could be detected.

Test item / ml

Temperature / °C

Ignition + / -

Barometric pressure / hPa

4

115

-

1016.8

 

116

-

1016.8

 

117

-

1016.8

 

118

-

1016.8

 

119

-

1016.8

 

120

-

1016.8

Conclusions:
No flash point up to 125 °C could be detected.
Executive summary:

Flash point of uronium hydrogen sulphate was determined according to EU guideline A.9.

No flash point up to 125 °C could be detected.

Description of key information

No flash point up to 125 °C could be detected.

Key value for chemical safety assessment

Additional information