ChemicalBook >>Myricetin>>3,5,7-Trihydroxy-2-(3,4,5-trihydroxyphenyl)-4H-1-benzopyran-4-one(529-44-2)

3,5,7-Trihydroxy-2-(3,4,5-trihydroxyphenyl)-4H-1-benzopyran-4-one(529-44-2)

3,5,7-Trihydroxy-2-(3,4,5-trihydroxyphenyl)-4H-1-benzopyran-4-one(529-44-2)
Product IdentificationBack to Contents
【Product Name】

3,5,7-Trihydroxy-2-(3,4,5-trihydroxyphenyl)-4H-1-benzopyran-4-one
【Synonyms】

3,3',4',5,5',7-Hexahydroxyflavone
3,5,7,3',4',5'-Hexahydroxyflavone
3,5,7-Trihydroxy-2-(3,4,5-trihydroxyphenyl)chromen-4-one
4H-1-Benzopyran-4-one, 3,5,7-trihydroxy-2-(3,4,5-trihydroxyphenyl)-
Cannabiscetin
Myricetol
【CAS】

529-44-2
【Formula】

C15H10O8
【Molecular Weight】

318.23
【EINECS】

208-463-2
【RTECS】

LK8646000
【RTECS Class】

Mutagen
【Merck】

12,6414
【Beilstein/Gmelin】

332331
【Beilstein Reference】

5-18-05-00670
Physical and Chemical PropertiesBack to Contents
【Appearance】

Yellow needles.
【Solubility in water】

Insoluble
【pKa/pKb】

6.88 (pKa)
【Usage】

Antioxidant flavonoid.
First Aid MeasuresBack to Contents
【Ingestion】

If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately.
【Inhalation】

Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
【Skin】

Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
【Eyes】

Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
Handling and StorageBack to Contents
【Storage】

Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
【Handling】

Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.
Hazards IdentificationBack to Contents
【Ingestion】

May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated.
【Inhalation】

May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.
【Skin】

May cause skin irritation.
【Eyes】

May cause eye irritation.
Exposure Controls/Personal ProtectionBack to Contents
【Personal Protection】

Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
【Respirators】

A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use.
Fire Fighting MeasuresBack to Contents
【Fire Fighting】

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Extinguishing media: Use agent most appropriate to extinguish fire. In case of fire use water spray, dry chemical, carbon dioxide, or appropriate foam.
Accidental Release MeasuresBack to Contents
【Small spills/leaks】

Clean up spills immediately, using the appropriate protective equipment. Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Avoid generating dusty conditions. Provide ventilation.
Stability and ReactivityBack to Contents
【Stability】

Stable under normal shipping and handling conditions.
【Incompatibilities】

Strong oxidizing agents.
【Decomposition】

Carbon monoxide, carbon dioxide.
Company Name: Huzhou Sifeng Biological Technology Co.,Ltd.
Tel: 0572-2576818 18357251508
Fax: +86-572-2576891
WebSite: www.sifengbio.com
Company Name: ShangHai YuanYe Biotechnology Co., Ltd.
Tel: 021-61312847 13636370518
Fax: 021-55068248
WebSite: http://www.shyuanye.com
Company Name: Changsha Staherb Natural Ingredients Co., Ltd.
Tel: 0731-84213302 18374838656
Fax:
WebSite: www.staherb.com
Company Name: Sichuan BioCrick Biotech Co., Ltd
Tel: 28-85433893
Fax:
WebSite: www.biocrick.com
Company Name: Aktin Chemicals, Inc.
Tel: 028-85159085
Fax:
WebSite: https://www.aktinchem.com/cn/
Company Name: Hubei Qibu New Material Technology Co., Ltd.
Tel: 0715-8890696 18062324989
Fax:
WebSite: https://www.chemicalbook.com/ShowSupplierProductsList31409/0.htm
Company Name: Xi'an Jianglin Biotechnology Co., Ltd
Tel: 18292036798; 18292036798
Fax:
WebSite: http://jlsw88.b2b168.com/
Company Name: J & K SCIENTIFIC LTD.
Tel: 010-82848833 400-666-7788
Fax: 86-10-82849933
WebSite: http://www.jkchemical.com