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4,5-二甲基-3-羟基-2,5-二氢呋喃-2-酮

4,5-二甲基-3-羟基-2,5-二氢呋喃-2-酮用途

【用途一】
GB 2760--1996规定为暂时允许使用的食品用香料。主要用于焦糖、红糖、威士忌酒、棉花糖、咖啡、太妃糖等型香精。

4,5-二甲基-3-羟基-2,5-二氢呋喃-2-酮名称

[ CAS 号 ]:
28664-35-9

[ 中文名 ]:
葫芦巴内酯

[ 英文名 ]:
Sotolon

[中文别名 ]:

[英文别名 ]:

4,5-Dimethyl-3-Hydroxy-2(5H)-Furanone
3-Hydroxy-4,5-dimethyl-2(5H)-furanone
4,5-Dimethyl-3-hydroxy-2,5-dihydrofuran-2-one
Sugar lactone
2(5H)-Furanone, 3-hydroxy-4,5-dimethyl-
3-hydroxy-4,5-dimethyl-5H-furan-2-one
Sotolone
UNII:T62RL2NEGW
Caramel furanone
2(5h)-FURANONE,3-HYDROXY-4,5-DIMETHYL

4,5-二甲基-3-羟基-2,5-二氢呋喃-2-酮物理化学性质

[ 密度 ]:
1.3±0.1 g/cm3

[ 沸点 ]:
312.0±42.0 °C at 760 mmHg

[ 熔点 ]:
26-29 °C(lit.)

[ 分子式 ]:
C₆H₈O₃

[ 分子量 ]:
128.126

[ 闪点 ]:
149.2±20.7 °C

[ 精确质量 ]:
128.047348

[ PSA ]:
46.53000

[ LogP ]:
-0.44

[ 外观性状 ]:
澄明黄色液体。沸点81℃(80Pa)，熔点26～29℃。呈甜、焦糖、槭树、红糖香。天然品存在于烘烤过的弗吉尼亚烟草、米制酒、胡芦巴等中。

[ 蒸汽压 ]:
0.0±1.5 mmHg at 25°C

[ 折射率 ]:
1.513

[ 储存条件 ]:
Refrigerator (+4°C)

4,5-二甲基-3-羟基-2,5-二氢呋喃-2-酮MSDS

4,5-二甲基-3-羟基-2,5-二氢呋喃-2-酮安全信息

[ 危害码 (欧洲) ]:
Xn

[ 风险声明 (欧洲) ]:
R20/22:Harmful by inhalation and if swallowed .

[ 安全声明 (欧洲) ]:
S36

[ 危险品运输编码 ]:
UN 3335

[ WGK德国 ]:
3

[ 海关编码 ]:
2932209090

4,5-二甲基-3-羟基-2,5-二氢呋喃-2-酮合成路线

4,5-二甲基-3-羟基-2,5-二氢呋喃-2-酮上下游产品

4,5-二甲基-3-羟基-2,5-二氢呋喃-2-酮上游产品

4,5-二甲基-3-羟基-2,5-二氢呋喃-2-酮下游产品

4,5-二甲基-3-羟基-2,5-二氢呋喃-2-酮海关

[ 海关编码 ]: 2932209090

[ 中文概述 ]:
2932209090. 其他内酯. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0%

[ 申报要素 ]: 品名, 成分含量, 用途

[ Summary ]:
2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

4,5-二甲基-3-羟基-2,5-二氢呋喃-2-酮文献

Prooxidant action of furanone compounds: implication of reactive oxygen species in the metal-dependent strand breaks and the formation of 8-hydroxy-2'-deoxyguanosine in DNA.

Food Chem. Toxicol. 45(7) , 1258-62, (2007)

Prooxidant properties of furanone compounds including 2,5-furanone (furaneol, 4-hydroxy-2,5-dimethyl-furan-3-one), 4,5-furanone (4,5-dimethyl-3-hydroxy-2(5H)-furanone) (sotolone) and cyclotene (2-hydr...

Quantitative determination of sotolon, maltol and free furaneol in wine by solid-phase extraction and gas chromatography-ion-trap mass spectrometry.

J. Chromatogr. A. 1010(1) , 95-103, (2003)

A method for the analytical determination of sotolon [4,5-dimethyl-3-hydroxy-2(5H)-furanone], maltol [3-hydroxy-2-methyl-4H-pyran-4-one] and free furaneol [2,5-dimethyl-4-hydroxy-3(2H)-furanone] in wi...

3-Hydroxy-4,5-dimethyl-2(5H)-furanone (Sotolon) causing an off-flavor: elucidation of its formation pathways during storage of citrus soft drinks.

J. Agric. Food Chem. 47(8) , 3288-91, (1999)

Gas chromatography/olfactometry (GCO) and gas chromatography-mass spectrometry (HRGC-MS) revealed 3-hydroxy-4, 5-dimethyl-2(5H)-furanone (sotolon) to be responsible for the "burnt" and "spicy" off-fla...

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