2298-99-9

• 常用中文名：4H-Pyran-4-one,3-hydroxy-2,6-dimethyl-
• 常用英文名：4H-Pyran-4-one,3-hydroxy-2,6-dimethyl-
• CAS号：2298-99-9
• 分子式：C₇H₈O₃
• 分子量：140.13700
• 发布时间：2017-04-12 07:29:54
• 更新时间：2025-08-24 22:25:02

名称

• 英文名: 3-hydroxy-2,6-dimethylpyran-4-one
• 英文别名: 2,6-dimethyl-3-hydroxy-4H-pyran-4-one; 3-hydroxy-2,6-dimethyl-4-pyrone; 2,6-Dimethyl-5-hydroxy-4H-pyran-4-one; 3-hydroxy-2,6-dimethyl-pyran-4-one; 2.6-Dimethyl-3-hydroxy-4H-pyran-4-on; 3-Hydroxy-2,6-dimethyl-4H-pyran-4-one; 6-methylmaltol; 3-Hydroxy-2,6-dimethyl-4-pyron

物化性质

• 密度: 1.256g/cm3
• 沸点: 283.7ºC at 760 mmHg
• 分子式: C₇H₈O₃
• 分子量: 140.13700
• 闪点: 121.6ºC
• 精确质量: 140.04700
• PSA: 50.44000
• LogP: 0.96220
• 蒸汽压: 0.00036mmHg at 25°C
• 折射率: 1.54

安全

• 海关编码: 2932999099

合成路线

14003-15-7 ~% 2298-99-9

文献：Pfizer Inc. Patent: US4082717 A1, 1978 ;

22639-17-4 ~54% 2298-99-9

文献：Ellis, Beverley L.; Duhme, Anne K.; Hider, Robert C.; Hossain, M. Bilayet; Rizvi, Safia; Van Der Helm, Dick Journal of Medicinal Chemistry, 1996 , vol. 39, # 19 p. 3659 - 3670

78139-28-3 ~30% 2298-99-9

文献：Sato, Kikumasa; Inoue, Seiichi; Tanami, Tohru; Ohasi, Masao Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1981 , p. 1015 - 1018

644-46-2 ~% 2298-99-9

文献：Ellis, Beverley L.; Duhme, Anne K.; Hider, Robert C.; Hossain, M. Bilayet; Rizvi, Safia; Van Der Helm, Dick Journal of Medicinal Chemistry, 1996 , vol. 39, # 19 p. 3659 - 3670

7559-81-1 ~% 2298-99-9

文献：Ellis, Beverley L.; Duhme, Anne K.; Hider, Robert C.; Hossain, M. Bilayet; Rizvi, Safia; Van Der Helm, Dick Journal of Medicinal Chemistry, 1996 , vol. 39, # 19 p. 3659 - 3670

78139-26-1 ~% 2298-99-9

文献：Sato, Kikumasa; Inoue, Seiichi; Tanami, Tohru; Ohasi, Masao Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1981 , p. 1015 - 1018

上下游产品

上游产品  5
14003-15-7 22639-17-4 78139-28-3 644-46-2
7559-81-1
下游产品  0

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%