日本欧美国产免费专区一本,最新午夜视频精品视在线播放,久久一本大到香蕉精品,亚洲免费性生活视频网

　　Legal number: CAS RN) : 56-40-6; EINECS no. : 200-272-2

　　Molecular formula: C₂H₅NO₂

　　Molecular weight: 75.07

　　Appearance of physical and chemical properties: white monoclinic system or hexagonal system crystals, or white crystalline powder. Odourless, has a special sweetness.

　　Melting point 248 ℃ (decomposition) relative density 1.1607

　　solubility Solubility: soluble in water, in water at 25 ℃ for 25 g / 100 ml; At 50 ℃ for 39.1 g / 100 ml; At 75 ℃ for 54.4 g / 100 ml;

　　At 100 ℃ for 67.2 g / 100 ml. Very difficult to soluble in ethanol, anhydrous ethanol in 100 g of dissolving about 0.06 g. Almost insoluble in acetone ethanol.

　　USES: used as biochemical reagents, used in medicine, beverage and food additives, nitrogen fertilizer industry used as a non-toxic decarbonator.

　　Standard: FCCIV USP24 USP26 USP28 USP29 USP30 USP31 AJI92