Halocarbon 23 (Trifluoroethane) (三)
A colorless, nonflammable, liquefied high pressure gas. (一种无色、不燃、高压液化气体)
Formula(分子式)CHF3
Molecular weight(分子量):70.01
Boiling point(沸点):-82.2°C,-115.96°F
Melting point(融点):-155.2°C,-247.36°F.
Vapor Pressure(蒸气压): 4380Kpa (21.1°C); 635Psia(70°F)
Specific Volume(比容):0.343m³/kg (21.1°C, 101.325KPa)
5.5ft³/lb (70°F, 14.696psia)
Lower Flammable Limit(最低可燃性含量):
Upper Flammable Limit(最高可燃性含量):
Threshold Limit Value(人体的最高容许浓度):
UN Number(UN 号码):UN1984
DOT Classification(DOT 类别):2.2 (Nonflammable Gas)(不燃气体)
DOT Label(DOT 标签):NON-FLAMMABLE GAS(不燃气体)
Cylinder Connection(钢瓶接口): CGA/DISS/JIS ------660/716/W22-14L
Grade (级别)5N
Purity (纯度)99.999%
Guaranteed Specification(保证规格)
Oxygen(氧)+Nitrogen(氮)+Carbon Monoxide(一氧化碳)≤ 20ppmv
Carbon Dioxide(二氧化碳)≤ 10ppmv
Other Organics (其他有机物)≤ 10ppmv
Water(水)≤ 5ppmv
Acidity as HF(酸性物质,如HCL)≤ 0.1ppmv
Cylinder Size(liter) & Content(Kg)
钢瓶体积(升)气含量(公斤)
DOT43.3L 30kg/cyl
DOT48.8L 35kg/cyl