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)
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