一甲肼
一甲肼
中文名稱:一甲肼
英文別名:Monomethylhydrazine; 1-Methylhydrazine; AI3-52240;BRN 0635645;CCRIS 394;HSDB 1172;Hydrazine, methyl-;Hydrazomethane;MMH;Methyl hydrazine;Methylhydrazine (mono); Metylohydrazyna;Metylohydrazyna [Polish];RCRA waste number P068;Methylhydrazine [UN1244] [Poison];Methylhydrazine and its salts;RCRA waste no. P068; UN1244
CAS號:60-34-4
EINECS號:200-471-4
分子量:46.07
InChI:InChI=1/CH6N2/c1-3-2/h3H,2H2,1H3
以水合肼;苯甲醛為原料,經縮合、甲基化反應而得。將39%的水合肼加入反應鍋內,於20-30℃攪拌滴加苯甲醛,約7h加完,繼續攪拌2h,放置過夜。次日過濾,用水洗滌至近中性,烘乾得粒狀固體苄叉連氮,熔點90-93℃,收率約95%以上。將苯;苄叉連氮;硫酸二甲酯加入反應鍋內,密閉攪拌迴流5h。冷卻,析出固體,加水,固體即溶解,分層,進行水蒸氣蒸餾,至蒸不出苯甲醛為止。加入無水乙醇,析出固體,冷卻,過濾,得硫酸甲肼。收率為60%-70%。