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Physical & Chemical properties

Flash point

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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