丰满人妻被公侵犯高清版,先锋影音av无码第1页,亚洲交友中心首页,亚洲交友中心首页,亚洲AV永久综合在线观看红杏,亚1州区2区3区产品乱码APP,葫芦里面不卖药千片万片你需要,美女裸体视频免费网站无毒不卡,久久精品亚洲精品无码,国产精品无码AV不卡顿

N-BuLi (n-BuLi), an alkyl derivative of lithium, molecular weight: 64.06, flash point: -12°C, density 0.68g/ml (20°C), colorless and transparent to yellow liquid, with n-butyl Lithium solutions are most commonly used. The n-butyl lithium solution is a dangerous product, it will ignite spontaneously in the air, it will burn immediately if it comes in contact with water, and it is corrosive. Avoid contact with skin or flammable metals. N-Butyl lithium is a promising new product. It is a good anionic polymerization initiator and a hydrocarbonating agent for the synthesis of new chemical substances. It is widely used in synthetic rubber, new medical antibacterial drugs, AIDS drugs, fragrance synthesis, and liquid crystals. Materials and other fields.

Has 1 authorized national invention patent, won the excellent provincial new product of Jiangxi Province, and presided over the drafting of the industry standard for "n-butyl lithium".