27500-34-1

• 常用中文名：3,3',4',5,7-Pentahydroxy-8-methoxyflavone
• 常用英文名：3,3',4',5,7-Pentahydroxy-8-methoxyflavone
• CAS号：27500-34-1
• 分子式：C₁₆H₁₂O₈
• 分子量：332.26200
• 发布时间：2017-01-12 22:16:58
• 更新时间：2024-01-24 09:13:41

名称

• 英文名: 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-8-methoxychromen-4-one
• 英文别名: 3,5,7,3',4'-pentahydroxy-8-methoxyflavone; gossypetin 8-methyl ether; 2-(3,4-dihydroxy-phenyl)-3,5,7-trihydroxy-8-methoxy-chromen-4-one; 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-8-methoxy-4H-chromen-4-one; Corniculatusin; 8-methoxyquercetin; 3,3',4',5,7-Pentahydroxy-8-methoxyflavon

物化性质

• 密度: 1.73g/cm3
• 沸点: 659.4ºC at 760 mmHg
• 分子式: C₁₆H₁₂O₈
• 分子量: 332.26200
• 闪点: 249.5ºC
• 精确质量: 332.05300
• PSA: 140.59000
• LogP: 1.99660
• 蒸汽压: 5.38E-18mmHg at 25°C
• 折射率: 1.772

安全

• 海关编码: 2914509090

合成路线

117155-56-3 ~91% 27500-34-1

文献：Horie; Tsukayama; Kawamura; Seno; Yamamoto Bulletin of the Chemical Society of Japan, 1988 , vol. 61, # 2 p. 441-447

110193-73-2 ~% 27500-34-1

文献：Horie; Tsukayama; Kawamura; Seno; Yamamoto Bulletin of the Chemical Society of Japan, 1988 , vol. 61, # 2 p. 441-447

117155-51-8 ~% 27500-34-1

文献：Horie; Tsukayama; Kawamura; Seno; Yamamoto Bulletin of the Chemical Society of Japan, 1988 , vol. 61, # 2 p. 441-447

7678-88-8 ~% 27500-34-1

文献：Horie; Tsukayama; Kawamura; Seno; Yamamoto Bulletin of the Chemical Society of Japan, 1988 , vol. 61, # 2 p. 441-447

上下游产品

上游产品  2
110193-73-2 7678-88-8
下游产品  0

海关

海关编码	2914509090
中文概述	2914509090 含其他含氧基的酮. 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:5.5% 普通关税:30.0%
申报要素	品名, 成分含量, 用途, 丙酮报明包装
Summary	HS:2914509090 other ketones with other oxygen function VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%