3.8
HALOCARBON 318 - (C4F8)
DESCRIPTION :
(Octafluorocyclobutane)
A colorless, non toxic, non flammable
gas shipped under its own vapor
pressure of 1,7 Barg at 21° C.
APPLICATIONS :
Used in combination with carbon
monoxide for selective oxide etch.
PRODUCT
CYLINDER
10H
50H
PRESSURE VALVE TYPE
BARG
CONTENTS
on request
on request
PRODUCT CHARACTERISTICS
MINIMUM PURITY
Water (H2O)
Nitrogen (N2)
Oxygen (O2)
Carbon Tetrafluoride (CF4)
1,7
1,7
Pressure Seal
Pressure Seal
ADR Item No.
ADR
Label 2.2
: 2, 2 A
MSDS REFERENCE
CHEMICAL
ABSTRACTS
UN No.
: 095
Non flammable, non
toxic gas
: 00115-25-3
: 1976
VALVE
OUTLET
VALVE MATERIALS OF
CONSTRUCTION
DIN 477 No
6
6
Brass
Brass
PRAXAIR
SPECIFICATIONS *
99,98 %
£ 50 ppm
£ 80 ppm
£ 20 ppm
£ 50 ppm
METHOD OF ANALYSIS
(SEE KEY)
E
A
A
H
* Liquid phase
Notes :
¨
¨
Cylinder sizes, contents, valve types and valve connections other than those indicated above are available on request.
MSDS Ref.: More detailed Safety Information can be obtained from the Material Safety Data Sheet No. 095
Key to Analytical Techniques
A
B
C
Gas Chromatograph with Thermal
Conductivity Detector
Gas Chromatograph with Flame
Ionization Detector
Gas Chromatograph with Ultrasonic
Detector
D
E
F
G
H
I
J
Specific Oxygen Analyzer
Specific Water Analyzer
Total Hydrocarbon Analyzer
Infrared
Proprietary
Gas Chromatograph with Helium
Ionization Detector
Flame Ionization with Methanizer
K
L
M
N
O
Gas Chromatograph - Photo
Ionization
Gas Chromatograph - Flame
Photometric
Mass Spectrometry
Wet Chemical
Gas Chromatograph with
Discharge Ionization Detector
IMPORTANT
Information prepared herein has been prepared by qualified experts within Praxair. While the information is accurate within the limits of the
analytical methods employed and is complete to the extent of the specific analyses performed, Praxair makes no warranty or representation as to
the suitability of the use of the information for any general or particular purpose. The information is provided with the understanding that any use of
the information is at the sole discretion and risk of the user. In no event shall the liability of Praxair arising out of the use of the information
contained herein exceed the fee established for providing such information.
Making Our Planet More Productive
P
Q
R
S
Gas Chromatograph with
Methanizer Carbonizer
Gas Chromatograph with
Electrolytic Conductivity
Gas Chromatograph with
Reduction Gas Analyzer
Gaschromatograph with High
Frequency Discharge Detector
To ensure you have
the latest available
information, refer to
this number when
contacting your local
Praxair office.
EG 45-3.8
08/2003