四氟化硅
A colorless,poisonous,corrosive gas.(一种无色,有毒,腐蚀性气体)
Formula(分子式): SiF4
Molecular weight(分子量): 104.08
Boiling point(沸点): -90.2℃,-130.36°F;
Melting point(融点): -95.7℃,-140.26°F.
Vapor Pressure(蒸汽压): 6895Kpa(21.1℃);1000Psia(70°F)
Specific Volume(比容): 0.23m3/kg(21.1℃,101.325KPa)
3.7ft3/lb(70°F,14.696psia)
Threshold Limit Value(人体的容许浓度): 0.8ppm
UN Number(UN号码): UN1859
DOT Classification(DOT类别): 2.3(Poison Gas)(有毒气体)
DOT Label(DOT标签): POISON GAS AND CORROSIVE GAS(有毒气体,腐蚀性气体)
Cylinder Connection(钢瓶接口): CGA/DISS/JIS--330/642/W22-14L
Grsde(级别) 4N
Purity(纯度) 99.99%
Guaranteed Specification(保证规格)
Impurity(非组分) |
Specification(标准) |
Oxygen(氧)+Argon(氩) |
≤1 ppmv |
Nitrogen(氮) |
≤3 ppmv |
Carbon Dioxide(二氧化碳) |
≤1 ppmv |
Carbon Monoxide(一氧化碳) |
≤0.5 ppmv |
Hydrogen Fluoride(氟化氢) |
≤50 ppmv |
Methane(甲烷) |
≤10 ppmv |
Arsenic(砷) |
≤0.5 ppmv |
Boron(硼) |
≤0.5 ppmv |
Phosphorous(磷) |
≤0.5 ppmv |
Cylinder Size(liter)钢瓶体积(升) |
Content(Kg,lbs)气含量(公斤,磅) |
43.8 |
22.7,50 |