50405-45-3

• 常用中文名：5,6-二甲基-4-羟基-2-羰基吡喃
• 常用英文名：4-HYDROXY-5,6-DIMETHYL-2H-PYRAN-2-ONE
• CAS号：50405-45-3
• 分子式：C₇H₈O₃
• 分子量：140.13700
• 发布时间：2019-01-01 14:12:39
• 更新时间：2025-09-20 13:17:12

名称

• 中文名: 4-羟基-5,6-二甲基吡喃-2-酮
• 英文名: 4-Hydroxy-5,6-dimethylpyran-2-one
• 中文别名: 5,6-二甲基-4-羟基-2-羰基吡喃
• 英文别名: 4-Hydroxy-5,6-dimethyl-2H-pyran-2-one; 6-hydroxy-2,3-dimethyl-4-pyranone; 5,6-Dimethyl-4-hydroxy-pyrone; 5,6-Dimethyl-4-hydroxy-2-oxo-2H-pyran; 2,3-dimethyl-6-oxidanyl-pyran-4-one; 4-hydroxy-5,6-dimethyl-2-pyrone; 4-hydroxy-5,6-dimethyl-pyran-2-one; 4-Hydroxy-5,6-dimethyl-2-pyron; 5,6-dimethyl-4-hydroxy-2-pyrone

物化性质

• 分子式: C₇H₈O₃
• 分子量: 140.13700
• 精确质量: 140.04700
• PSA: 50.44000
• LogP: 0.96220
• 储存条件: 室温，保存在惰性气体中

安全

• 海关编码: 2932999099

合成路线

75950-51-5 ~88% 50405-45-3

文献：Oguchi, Takamasa; Watanabe, Kazuhiro; Ohkubo, Koichi; Abe, Hideki; Katoh, Tadashi Chemistry - A European Journal, 2009 , vol. 15, # 12 p. 2826 - 2845

815-57-6 ~% 50405-45-3

文献：Schreiber; Satake Journal of the American Chemical Society, 1984 , vol. 106, # 15 p. 4186 - 4188

123-54-6 ~% 50405-45-3

文献：Schreiber; Satake Journal of the American Chemical Society, 1984 , vol. 106, # 15 p. 4186 - 4188

30414-53-0 ~% 50405-45-3

文献：Hagiwara, Hisahiro; Fujimoto, Norikazu; Suzuki, Toshio; Ando, Masayoshi Heterocycles, 2000 , vol. 53, # 3 p. 549 - 552

264881-69-8 ~% 50405-45-3

文献：Hagiwara, Hisahiro; Fujimoto, Norikazu; Suzuki, Toshio; Ando, Masayoshi Heterocycles, 2000 , vol. 53, # 3 p. 549 - 552

1522-25-4 ~% 50405-45-3

文献：Cervello, Jordi; Marquet, Jorge; Moreno-Manas, Marcial Synthetic Communications, 1990 , vol. 20, # 13 p. 1931 - 1941

上下游产品

上游产品  5
75950-51-5 815-57-6 123-54-6 30414-53-0
1522-25-4
下游产品  2
57103-53-4 64361-40-6

海关

海关编码	2932999099
中文概述	2932999099. 其他仅含氧杂原子的杂环化合物. 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	2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%