|
|
|
|
|
|
Octafluorocyclobutane, C4F8
» |
|
|
OCTAFLUOROCYCLOBUTANE
(C4F8, RC318, Halocarbon 318C)
|
Name: |
Octafluorocyclobutane |
|
Symbol: |
C4F8 |
CAS ID: |
115-25-3 |
UN Number: |
UN 1976 |
Octafluorocyclobutane C4F8
used for plasma etching of some recently developed processes of
silicon compounds.
Qualitative performance
OCTAFLUOROCYCLOBUTANE (C4F8,
RC318, Halocarbon 318C) |
Parameter |
Measure in |
Detection limit |
Critical value |
Octafluorocyclobutane
in liquid phase, min. |
|
% vol. |
99,999 |
Nitrogen |
vppm |
0,05 |
8,0 |
Oxygen |
vppm |
0,05 |
2,0 |
Tetrafluoromethane (CF4) |
vppm |
0,5 |
1,0 |
Moisture |
wppm |
0,01 |
3,0 |
Acidity as HF |
wppm |
0,01 |
0,1 |
Information about cylinders
Type of a cylinder |
Bulk, litreses |
Type of a valvees |
Net weightes, kg |
B40 |
40 |
DIN 477/6 |
28 |
B50 |
50 |
DIN 477/6 |
32 |
Transport data
Chemical Symbol: |
C4F8 |
CAS Registry ID: |
115-25-3 |
Physical properties: |
A colorless, non-toxic, non-flammable gas |
Hazard Class: |
2.2 |
UN Number: |
UN 1976 |
|
|
Xenon, Xe » |
Krypton, Kr » |
Neon, Ne » |
Helium, He » |
Argon, Ar » |
Lasergas, XeNe » |
Lasergas, KrNe » |
Lasergas, ArXeNe » |
Lasergas, NeH2 » |
Tetrafluoromethane,
CF4 » |
Sulfur Hexafluoride,
SF6 » |
Silicon tetrafluoride,
SiF4 » |
Octafluoropropane,
C3F8 » |
|
|
|
|