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        亚洲А∨天堂2019在线无码_99精品国产高清一区二区_亚洲国产综合91精品_国产精品亚洲第一区在线
         
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        1,4-Butene...
        CAS No:110-64-5
        Characteristic :Boiling point: 84 ° C; relative density: 1.07; refractive index: 1.477; flash point: 128 ° C. Soluble in water, ethanol, acetone. Almost insoluble in lower aliphatic or aromatic hydrocarbons.
        1,4-Butene...
        CAS No:110-64-5
        Characteristic :Boiling point: 84 ° C; relative density: 1.07; refractive index: 1.477; flash point: 128 ° C. Soluble in water, ethanol, acetone. Almost insoluble in lower aliphatic or aromatic hydrocarbons.
        2-Butyne-1
        CAS No:110-65-6
        Characteristic :Industrial butyne diol appearance of amber or brown, pure solid as colorless crystals or slightly yellow crystals. A melting point of 58 ° C, a boiling point of 238 ° C, a flash point of 152 ° C and a
        Propargyl
        CAS No:107-19-7
        Characteristic :Colorless, transparent, irritating odor. A relative density of 0.9485 (20 ° C), a melting point of -58 ° C, a boiling point of 112.3 ° C, a refractive index of 1.429 to 1.431 (20 ° C) and a flash poin

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