避免与氧化剂接触。
向带有搅拌器、温度计、排气管及亚硝酸钠的1L四口烧瓶中加入254g(14.1mol)的水、35%的浓盐酸157g和苯胺65.1g(0.7mol),以制备盐酸苯胺水溶液。随后,向其中加入48.3g(0.7mol)亚硝酸钠,溶解于100g水中制成的溶液,并在温度保持在5℃以下的情况下逐步加入,大约需要25min,进行重氮化。
另一方面,在耐压容器中,用160g(8.9mol)水、29.3g(0.7mol)固体氢氧化钠和33.6g(0.7mol)甲硫醇制备甲醇钠溶液。将制备好的溶液放入1L四口烧瓶中备用。
重氮化完成后,立即在30℃下向甲醇钠中滴加重氮化水溶液,大约需要100min。当氮气产生现象结束时,向反应液中加入100mL苯,分出苯层,并用8g硫酸钠干燥。通过常压蒸馏除去苯后,在减压条件下收集产品,约74g。
建议用量甲基苯基二硫醚(GB2076-2011)作为食品用合成香料,可用于制备薄荷、樱桃香精。根据FEMA规定,其使用限量如下:
GRAS(FEMA)。
使用限量甲基苯基二硫醚为无色液体,沸点为187~188℃,相对密度1.0533,闪点为75℃,折射率1.5842。它不溶于水,但可溶于大多数有机溶剂。
用途中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
1,4-双 (甲基磺酰基)苯 | 1,4-Bis(methylthio)benzene | 699-20-7 | C8H10S2 | 170.299 |
氯甲基苯硫醚 | phenylthiomethyl chloride | 7205-91-6 | C7H7ClS | 158.652 |
苯基乙烯基硫醚 | phenylthioethylene | 1822-73-7 | C8H8S | 136.218 |
1,3-双(甲硫基)苯 | 1,3-bis(methylthio)benzene | 2388-69-4 | C8H10S2 | 170.299 |
烯丙氧基苯硫酚 | Allyl phenyl sulfide | 5296-64-0 | C9H10S | 150.244 |
—— | 1-(phenylthio)-1-propene | 22103-05-5 | C9H10S | 150.244 |
4-氨基茴香硫醚 | 4-(methylthio)aniline | 104-96-1 | C7H9NS | 139.221 |
4-溴茴香硫醚 | (4-bromophenyl)thioanisole | 104-95-0 | C7H7BrS | 203.103 |
4-碘苯硫基甲烷 | 4-iodothioanisole | 35371-03-0 | C7H7IS | 250.103 |
4-氯茴香硫醚 | 1-chloro-4-methylthiobenzene | 123-09-1 | C7H7ClS | 158.652 |
4-甲基茴香硫醚 | 4-methylphenyl methylsulfide | 623-13-2 | C8H10S | 138.233 |
苯硫酚 | thiophenol | 108-98-5 | C6H6S | 110.18 |
丁基硫基苯 | (n-butylthio)benzene | 1126-80-3 | C10H14S | 166.287 |
甲基苯基亚砜 | racemic methyl phenyl sulfoxide | 1193-82-4 | C7H8OS | 140.206 |
叔丁基硫基苯 | tert-butyl phenyl sulfide | 3019-19-0 | C10H14S | 166.287 |
丁-3-烯-1-基(苯基)硫烷 | homoallyl phenyl sulfide | 4285-49-8 | C10H12S | 164.271 |
—— | (Trideuterio-methylmercapto)-benzol | 826-07-3 | C7H8S | 127.183 |
[(2,2-二甲基丙基)硫基]苯 | neopentyl phenyl sulphide | 7210-80-2 | C11H16S | 180.314 |
S-硫代乙酸苯酯 | S-phenyl thioacetate | 934-87-2 | C8H8OS | 152.217 |
三甲基(苯硫甲基)硅烷 | (phenylsulfanylmethyl)trimethylsilane | 17873-08-4 | C10H16SSi | 196.389 |
3-氨基茴香硫醚 | 3-(Methylthio)aniline | 1783-81-9 | C7H9NS | 139.221 |
3-氯茴香硫醚 | 1-chloro-3-methylsulfanylbenzene | 4867-37-2 | C7H7ClS | 158.652 |
—— | (n-dodecylthio)benzene | 56056-49-6 | C18H30S | 278.502 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
1,4-双 (甲基磺酰基)苯 | 1,4-Bis(methylthio)benzene | 699-20-7 | C8H10S2 | 170.299 |
苯乙硫醚 | Ethyl phenyl sulfide | 622-38-8 | C8H10S | 138.233 |
氯甲基苯硫醚 | phenylthiomethyl chloride | 7205-91-6 | C7H7ClS | 158.652 |
苯基硫氰酸酯 | phenyl thiocyanate | 5285-87-0 | C7H5NS | 135.189 |
—— | S-phenyl thioformate | 27064-03-5 | C7H6OS | 138.19 |
[(氟甲基)硫基]苯 | 2-fluoro-methylthiobenzene | 60839-94-3 | C7H7FS | 142.197 |
—— | methylthio(phenylthio)methane | 56772-75-9 | C8H10S2 | 170.299 |
苯基异丙基硫醚 | isopropylthiobenzene | 3019-20-3 | C9H12S | 152.26 |
甲氧基甲基苯硫醚 | methoxymethyl phenyl sulfide | 13865-50-4 | C8H10OS | 154.233 |
—— | dichloromethylphenylsulphide | 5533-18-6 | C7H6Cl2S | 193.097 |
2-苯硫基乙醇 | 2-(phenylthio)ethanol | 699-12-7 | C8H10OS | 154.233 |
苯基腈乙基硫醚 | (phenylthio)acetonitrile | 5219-61-4 | C8H7NS | 149.216 |
双(苯硫基)甲烷 | bis(phenylthio)methane | 3561-67-9 | C13H12S2 | 232.37 |
—— | Phenyl-methyl-sulfilimin | 42397-39-7 | C7H9NS | 139.221 |
4-碘苯硫基甲烷 | 4-iodothioanisole | 35371-03-0 | C7H7IS | 250.103 |
4-溴茴香硫醚 | (4-bromophenyl)thioanisole | 104-95-0 | C7H7BrS | 203.103 |
1,2-联苯硫基乙烷 | 1,2-bis(phenylthio)ethane | 622-20-8 | C14H14S2 | 246.397 |
4-甲基茴香硫醚 | 4-methylphenyl methylsulfide | 623-13-2 | C8H10S | 138.233 |
苯硫酚 | thiophenol | 108-98-5 | C6H6S | 110.18 |
丁基硫基苯 | (n-butylthio)benzene | 1126-80-3 | C10H14S | 166.287 |
异丁基硫基苯 | Isobutylthiobenzene | 13307-61-4 | C10H14S | 166.287 |
—— | R-PhS(O)Me | 1193-82-4 | C7H8OS | 140.206 |
甲基苯基亚砜 | racemic methyl phenyl sulfoxide | 1193-82-4 | C7H8OS | 140.206 |
—— | (S)-methylphenylsulfoxide | 18453-46-8 | C7H8OS | 140.206 |
—— | (trichloromethylthio)benzene | 701-65-5 | C7H5Cl3S | 227.542 |
2-甲氧基乙基苯基硫醚 | 2-methoxyethyl phenyl sulfide | 77298-24-9 | C9H12OS | 168.26 |
—— | 3-Butynyl Phenyl Sulfide | 10575-06-1 | C10H10S | 162.255 |
三氟甲基苯硫醚 | phenyl trifluoromethylsulfide | 456-56-4 | C7H5F3S | 178.178 |
—— | 1-(phenylthio)but-2-yne | 13610-03-2 | C10H10S | 162.255 |
—— | (Trideuterio-methylmercapto)-benzol | 826-07-3 | C7H8S | 127.183 |
叠氮甲基苯基硫醚 | azidomethyl phenyl sulphide | 77422-70-9 | C7H7N3S | 165.219 |
3-(苯基硫代)-1-丙醇 | 3-phenylthiopropanol | 24536-40-1 | C9H12OS | 168.26 |
[(2,2-二甲基丙基)硫基]苯 | neopentyl phenyl sulphide | 7210-80-2 | C11H16S | 180.314 |
—— | 1,1-dichloro-2-phenylthioethene | 3559-72-6 | C8H6Cl2S | 205.108 |
(戊基硫基)苯 | pentyl phenyl sulfide | 1129-70-0 | C11H16S | 180.314 |
S-硫代乙酸苯酯 | S-phenyl thioacetate | 934-87-2 | C8H8OS | 152.217 |
—— | phenylthio(methyl)stannane | 59163-59-6 | C10H16SSn | 287.013 |
三甲基(苯硫甲基)硅烷 | (phenylsulfanylmethyl)trimethylsilane | 17873-08-4 | C10H16SSi | 196.389 |
[(3-甲基丁-2-烯-1-基)硫代]苯 | 3-methyl-1-phenylsulfanylbut-2-ene | 10276-04-7 | C11H14S | 178.298 |
—— | hexyl phenyl sulfide | 943-78-2 | C12H18S | 194.341 |
—— | (S)-(+)-(2-hydroxy-1-propyl)-phenyl thioether | 66536-74-1 | C9H12OS | 168.26 |
—— | heptyl(phenyl)sulfane | 13910-15-1 | C13H20S | 208.368 |
—— | (n-dodecylthio)benzene | 56056-49-6 | C18H30S | 278.502 |
—— | (n-decylthio)benzene | 13910-18-4 | C16H26S | 250.448 |
—— | phenyl(tridecyl)sulfane | 836643-89-1 | C19H32S | 292.529 |
—— | n-octylsulfanylbenzene | 13910-16-2 | C14H22S | 222.395 |