A colorless,toxic,nonflammable,corrosive high pressure gas.(一种无色、有毒、不燃、有腐蚀性高压气体)
Formula(分子式): BF3
Molecular weight(分子量): 67.81
Boiling point(沸点): -99.8℃,-147.64°F;
Melting point(融点): -127.1℃,-196.78°F.
Specific Volume(比容): 0.35m3/kg(21.1℃,101.325KPa)
5.6ft3/lb(70°F,14.696psia)
Threshold Limit Value(人体的最高容许浓度): 1ppm
UN Number(UN号码): UN1008
DOT Classification(DOT类别): 2.3(Poison Gas)(有毒气体)
DOT Label(DOT标签): POISON GAS(有毒气体)
Cylinder Connection(钢瓶接口): CGA/DISS/JIS--330/642/W22-14L
Grsde(级别) 2.5N 4.5N
Purity(纯度) 99.5% 99.995%
Guaranteed Specification(保证规格)
Impurity(非组分) | Specification(标准) |
2.5N | 4.5N |
Oxygen(氧) | ≤25ppmv | ≤10ppmv |
Nitrogen(氮) | ≤25ppmv | |
Carbon Dioxide(二氧化碳) | ≤25ppmv | ≤10ppmv |
Argon(氩) | ≤25ppmv | |
Sulfur Dioxide(二氧化硫) | ≤25ppmv | ≤10ppmv |
Silicon Tetrafluoride(四氟化硅) | | ≤3ppmv |
Hydrogen fluoride(氟化氢) | ≤25ppmv | |
Isotopic Purity11B(同位素纯度) | >99.7% | |
Cylinder Size(liter)钢瓶体积(升) | Content(Kg,lbs)气含量(公斤,磅) |
43.8 | 50,110 |