按GT-10-4气相色谱法中极性柱方法测定。
毒性GRAS(FEMA)。
使用限量FEMA(mg/kg):
3-乙酰基-2,5-二甲基呋喃作为食品用香料,用于配制香精的各香料成分不得超过在GB 2760中的最大允许使用量和最大允许残留量。
化学性质黄色液体。具有杏仁和焙炒果仁似的香气及核桃风味。溶于乙醇、丙二醇和大多数非挥发性油,微溶于水。沸点83℃(1466Pa)。
用途GB 2760—1996规定为暂时允许使用的香料。主要用于配制果仁、樱桃和烟熏型香精。
生产方法由2,5-二甲基呋喃与醋酐在四氯化锡存在下反应而得。
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
2-溴-1-(2,5-二甲基-3-呋喃基)乙酮 | 2-bromo-1-(2,5-dimethyl-furan-3-yl)ethanone | 133674-62-1 | C8H9BrO2 | 217.062 |
—— | 2,5-Dimethyl-3-ethyl-4-acetyl-furan | 10599-71-0 | C10H14O2 | 166.22 |
—— | (E)-3-(dimethylamino)-1-(2,5-dimethylfuran-3-yl)prop-2-en-1-one | 1337989-19-1 | C11H15NO2 | 193.246 |
—— | trans 4-(2,5-dimethyl-furan-3-yl)-4-oxo-2-butenoic acid | 104804-42-4 | C10H10O4 | 194.187 |
—— | (E)-1-(2,5-dimethylfuran-3-yl)-3-phenylprop-2-en-1-one | 1436387-45-9 | C15H14O2 | 226.275 |
—— | (E)-1-(2,5-Dimethyl-3-furyl)-3-(3-furyl)-2-propen-1-one | —— | C13H12O3 | 216.236 |
—— | 2E,2'E-3,3'-(1,4-phenylene)bis(1-(2,5-dimethylfuran-3-yl)prop-2-en-1-one) | 1246759-68-1 | C24H22O4 | 374.436 |
—— | 3-ethyl-2,5-dimethylfuran | 10599-62-9 | C8H12O | 124.183 |
—— | (E)-3-(4-chlorophenyl)-1-(2,5-dimethylfuran-3-yl)prop-2-en-1-one | 938451-28-6 | C15H13ClO2 | 260.72 |
—— | (E)-1-(2,5-dimethylfuran-3-yl)-3-(4-hydroxyphenyl)prop-2-en-1-one | 1334721-83-3 | C15H14O3 | 242.274 |
—— | 1-(2,5-dimethylfuran-3-yl)-3-(4-hydroxyphenyl)prop-2-en-1-one | 1211962-51-4 | C15H14O3 | 242.274 |
—— | (2E)-1-(2,5-dimethylfuran-3-yl)-3-(4-bromophenyl)-2-propen-1-one | 1436387-46-0 | C15H13BrO2 | 305.171 |
—— | (E)-1-(2,5-dimethylfuran-3-yl)-3-(3-hydroxyphenyl)prop-2-en-1-one | 1334721-82-2 | C15H14O3 | 242.274 |
—— | (2E)-1-(2,5-dimethylfuran-3-yl)-3-(4-methoxyphenyl)prop-2-en-1-one | 938451-25-3 | C16H16O3 | 256.301 |
—— | (2E)-3-[4-(dimethylamino)phenyl]-1-(2,5-dimethylfuran-3-yl)prop-2-en-1-one | 1303999-19-0 | C17H19NO2 | 269.343 |
—— | (2E)-3-(biphenyl-4-yl)-1-(2,5-dimethylfuran-3-yl)prop-2-en-1-one | 1402084-90-5 | C21H18O2 | 302.373 |
—— | (2E)-1-(2,5-dimethylfuran-3-yl)-3-(2-hydroxyphenyl)prop-2-en-1-one | 1334721-81-1 | C15H14O3 | 242.274 |
—— | 1-(2,5-dimethylfuran-3-yl)-3-(2-hydroxyphenyl)prop-2-en-1-one | —— | C15H14O3 | 242.274 |
—— | (E)-3-(2-chlorophenyl)-1-(2,5-dimethylfuran-3-yl)prop-2-en-1-one | 1375112-41-6 | C15H13ClO2 | 260.72 |
—— | (2E)-1-(2,5-dimethylfuran-3-yl)-3-(5-ethylfuran-2-yl)prop-2-en-1-one | 1402084-91-6 | C15H16O3 | 244.29 |
—— | (E)-1-(2,5-dimethylfuran-3-yl)-3-(4-nitrophenyl)prop-2-en-1-one | 1375112-36-9 | C15H13NO4 | 271.273 |
—— | (E)-1-(2,5-dimethylfuran-3-yl)-3-(3-methoxyphenyl)prop-2-en-1-one | 1436387-47-1 | C16H16O3 | 256.301 |
—— | 2-(N-benzylisopropyl)aminoethyl-3-(2,5-dimethylfuryl)ketone | 1242534-90-2 | C19H25NO2 | 299.413 |
—— | (2E)-1-(2,5-dimethylfuran-3-yl)-3-(2-methoxyphenyl)prop-2-en-1-one | 938451-24-2 | C16H16O3 | 256.301 |
—— | 3,3'-(1,4-phenylene)bis(1,5-bis(2,5-dimethylfuran-3-yl)pentane-1,5-dione) | 1351999-94-4 | C40H42O8 | 650.769 |
2,5-二甲基-3-呋喃酸 | 2,5-dimethylfuran-3-carboxylic acid | 636-44-2 | C7H8O3 | 140.139 |
—— | 1-(2,5-dimethyl-3-furyl)ethanol | 38422-61-6 | C8H12O2 | 140.182 |
—— | (R)-1-(3-(2,5-dimethyl)furanyl)ethanol | 1452824-89-3 | C8H12O2 | 140.182 |
—— | 3-(1-chloroethyl)-2,5-dimethylfuran | 943433-03-2 | C8H11ClO | 158.628 |
3-(2,5-二甲基)呋喃基乙酸 | 2,5-dimethyl-3-furylacetic acid | 100909-95-3 | C8H10O3 | 154.166 |
—— | (E)-1-(2,5-dimethylfuran-3-yl)-3-(3-nitrophenyl)prop-2-en-1-one | 1436387-48-2 | C15H13NO4 | 271.273 |
—— | (2E)-3-(3,4-dimethoxyphenyl)-1-(2,5-dimethylfuran-3-yl)prop-2-en-1-one | 1375112-34-7 | C17H18O4 | 286.328 |