Safety Data Sheet

Page 9 of 14
9. PHYSICAL AND CHEMICAL PROPERTIES
Appearance
: Colorless, Liquefied gas
Odour
: Slightly ethereal.
.
Odour threshold
: Odour threshold is subjective and inadequate to warn for over
exposure.
pH
:
Not applica
ble
Melting point / Freezing point
: -101
o
C
Boiling point
: -26.5
o
C
Flash point
:
Not applicable
Evaporation rate
:
Not available
Flammability
:
Not available
.
Upper/lower explosive limit
:
Not available
Vapour pressure
: 4270 mmHg at 20
o
C
Vapour density
(Air =1)
: 3.66 at normal boiling point
Relative density
: 1.208 Water : 25
o
C, 1atm
Solubility
(H
2
O)
: Slightly soluble
Partition coefficient
: 1.06 logPow
The product is more soluble in octanol.
Auto ignition temperature
:
Not applicable
Decomposition temperature
:
Not available
Viscosity
:
Not applicable