Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4H-1-Benzopyran-4-one, 5,8-dihydroxy-2-(2-hydroxyphenyl)-6,7-dimethoxy-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

77056-21-4

77056-21-4 structure

77056-21-4 structure

Name: 4H-1-Benzopyran-4-one, 5,8-dihydroxy-2-(2-hydroxyphenyl)-6,7-dimethoxy-
Chemical Name: 5,8-dihydroxy-2-(2-hydroxyphenyl)-6,7-dimethoxychromen-4-one
CAS Number: 77056-21-4
Molecular Formula: C₁₇H₁₄O₇
Molecular Weight: 330.28900
Create Date: 2016-09-23 22:06:07
Modify Date: 2025-09-05 17:30:20

Names
Properties

Name	5,8-dihydroxy-2-(2-hydroxyphenyl)-6,7-dimethoxychromen-4-one
Synonyms	5,8,2'-Trihydroxy-6,7-dimethoxyflavone

Density	1.483g/cm3
Boiling Point	612.7ºC at 760 mmHg
Molecular Formula	C₁₇H₁₄O₇
Molecular Weight	330.28900
Flash Point	229.5ºC
Exact Mass	330.07400
PSA	109.36000
LogP	2.59400
Index of Refraction	1.67

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