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Postion:Product Catalog >API>Respiratory Drugs>Antitussives>3,3',4',5,7-pentahydroxyflavone
3,3',4',5,7-pentahydroxyflavone
  • 3,3',4',5,7-pentahydroxyflavone

3,3',4',5,7-pentahydroxyflavone NEW

Price Get Latest Price
Package 200kg
Min. Order: 20kg
Supply Ability: 20 tons
Update Time: 2026-07-01

Product Details

Product Name: 3,3',4',5,7-pentahydroxyflavone CAS No.: 117-39-5
Min. Order: 20kg Purity: 99%
Supply Ability: 20 tons Release date: 2026/07/01

117-39-5 - Physico-chemical Properties

Molecular FormulaC15H10O7
Molar Mass302.24
Density1.3616 (rough estimate)
Melting Point316.5 °C
Boling Point363.28°C (rough estimate)
Flash Point239.5°C
SolubilityVery slightly soluble in ether, insoluble in cold water, hardly soluble in hot water, soluble in glacial acetic acid and alkaline aqueous solution, showing yellow color.
Vapor Presure9.03E-16mmHg at 25°C
AppearanceYellow needle crystal
Merck13,8122
BRN317313
pKa6.31±0.40(Predicted)
Storage Conditionroom temp
Refractive Index1.4790 (estimate)
MDLMFCD00006828
Physical and Chemical PropertiesMelting point 314-317°C
water-soluble <0.1g/100 mL at 21°C
UseWith good expectorant, cough, asthma, for the treatment of chronic bronchitis, coronary heart disease and hypertension patients also have adjuvant therapy


Company Profile Introduction

Qingdao RENAS Polymer Material Co., Ltd. is located in E.T.D.Z of Qingdao China, it is one integrated company, devoted to environmental protection and low carbon energy, new materials introducing, research and development, which aims to offer the best quality products and service to the domestic and foreign markets. We maintain a good partnership with many word famous chemical manufacturers. Integrated of advanced products and technology of domestic and foreign manufacturers, we could customize the products matching scheme for various industries customers, and offer the comprehensive solution to customers. We have unique technology and product advantages, especial in the field of rubber additive, acrylic monomer, solvent, pharmaceutical intermediates and ink coating resin. We have a professional management, business and technical team, and have passed the ISO9001 system certification. We have passed the fast response ability and reliable product quality. With the mission of "steady development and dedication to China", we adhere to the business philosophy of "the interests of users are our most fundamental interests, and the needs of users are our needs". Through concept innovation, management innovation, technical innovation, market innovation, and product innovation, Strive to make the company an excellent supplier in the field of global chemical materials. We welcome friends all over the world to visit and negotiate with us. We sincerely hope to expand our trade and cooperation based on mutual benefits and realize the mutual prosperity and development.

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