Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 7,4'-DIMETHOXYFLAVONE
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 7,4'-DIMETHOXYFLAVONE
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

20979-50-4

20979-50-4 structure

20979-50-4 structure

Name: 7,4'-DIMETHOXYFLAVONE
Chemical Name: 7-methoxy-2-(4-methoxyphenyl)chromen-4-one
CAS Number: 20979-50-4
Molecular Formula: C₁₇H₁₄O₄
Molecular Weight: 282.29100
Create Date: 2018-09-27 16:20:45
Modify Date: 2025-08-25 07:20:21

Name	7-methoxy-2-(4-methoxyphenyl)chromen-4-one
Synonyms	4',7-Dimethoxyflavanone Dimethyldaidzin 4',7-Dimethoxyflavone 7,6-dimethoxy-2-phenyl-4H-1-benzopyran-4-one 7,4'-dimethoxy flavone

Density	1.242g/cm3
Boiling Point	452.8ºC at 760mmHg
Melting Point	143-144ºC
Molecular Formula	C₁₇H₁₄O₄
Molecular Weight	282.29100
Flash Point	202.2ºC
Exact Mass	282.08900
PSA	48.67000
LogP	3.47720
Vapour Pressure	2.18E-08mmHg at 25°C
Index of Refraction	1.598

HS Code	2914509090

Precursor 8
2198-19-8 107275-22-9 552-41-0 123-11-5
75335-16-9 201230-82-2 768-60-5 281191-48-8
DownStream 1
2196-14-7

HS Code	2914509090
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%

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