Home > Name List By 5 > 5,7-dihydroxy-2-(4-hydroxyphenyl)chromen-4-one

CAS No 520-36-5 , 5,7-dihydroxy-2-(4-hydroxyphenyl)chromen-4-one

  • Name: 5,7-dihydroxy-2-(4-hydroxyphenyl)chromen-4-one
  • Synonyms: C.I. Natural Yellow 1; Versulin;Chamomile; Apigenol; 4',5,7-Trihydroxyflavone; 520-36-5;5,7-dihydroxy-2-(4-hydroxyphenyl)chromen-4-one; Apigenine; Spigenin;
  • CAS Registry Number:
  • Transport: OTH
  • Density: 1.548 g/cm3
  • Refractive index: 1.732
  • Water Solubility: DMSO: 27 mg/mL
  • Safety Statements: R36/37/38,
  • Hazard Symbols: Xi:Irritant;
  • EINECS: 208-292-3
  • Molecular Weight: 270.2369
  • InchiKey: KZNIFHPLKGYRTM-UHFFFAOYSA-N
  • InChI: InChI=1S/C15H10O5/c16-9-3-1-8(2-4-9)13-7-12(19)15-11(18)5-10(17)6-14(15)
    20-13/h1-7,16-18H
  • Risk Statements: S26,S36,
  • Molecular Formula: C15H10O5
  • Molecular Structure:CAS No:520-36-5 5,7-dihydroxy-2-(4-hydroxyphenyl)chromen-4-one
Search by region :

Select to

520-36-5 Apigenin

  • China Trust&We Co., Ltd. [Manufacturer]
  • Tel: +86-21-61044582
  • Fax: +86-21-61044583
  • Address: 1-102,No.11,Dongjiaominxiang Alley,
    Dongcheng District,
    Beijing 100005,China null,nullChina
Contact Supplier

520-36-5 Apigenin

  • Apigenin
  • China Shanghai Synnad Chemical Co., Ltd. [Importer/Exporter]
  • Tel: 86 21 5109 7911
  • Fax: 86 21 5109 7955
  • Address: B-5 Ecust Science Park, No. 18, Lane 1305, Hua Jing Road, Shanghai 200231 China Shanghai,ShanghaiChina
Contact Supplier

520-36-5 Apigenin

  • Apigenin
  • China Shenzhen sailing chemical Co.,Ltd [Manufacturer]
  • Tel: 86-755-26415005
  • Fax: 86-755-26412646
  • Address: 1-403 Bei tou hao yuan Nanxing Road Nanshan District Shenzhen, Guangdong 518051 shenzhenCHINA shenzhen,nullChina
Contact Supplier

520-36-5 Apigenin

  • Apigenin
  • United States RIA International [Manufacturer]
  • Tel: 19735811282
  • Fax: 19735811283
  • Address: 11 Melanie Lane #17 East Hanover 07936 NJ UNITED STATES NJ,nullUnited States
Contact Supplier

520-36-5 APIGENIN(RG)

  • APIGENIN(RG)4',5,7-Trihyroxyflavone
  • United States ChromaDex Inc. [Manufacturer]
  • Tel: 949-419-0288
  • Fax: 949-419-0294
  • Address: ChromaDex Inc.
    10005 Muirlands Blvd. Suite G - First Floor
    Irvine, CA 92618 null,nullUnited States
Contact Supplier

520-36-5 Apigenin / 4',5,7-Trihydroxyflavone

  • Apigenin / 4',5,7-Trihydroxyflavone
  • United States Ivy Fine Chemicals [Manufacturer]
  • Tel: 856-465-8550
  • Fax: 856-616-1161
  • Address: Ivy Fine Chemicals
    1312 Bunker Hill Drive
    Cherry Hill, NJ 08003
    USA null,nullUnited States
Contact Supplier

520-36-5 apigenin

  • China ORCHID CHEMICAL SUPPLIES LTD (OCS) [Importer/Exporter]
  • Tel: +86-571-85395792
  • Fax: +86-571-85420103
  • Address: 607, North Zhongshan Road, Hangzhou 310000 China null,ZhejiangChina
Contact Supplier

520-36-5 APIGENIN

  • Germany Cfm Oskar Tropitzsch [Manufacturer]
  • Tel: +49-9231-9619-0
  • Fax: +49-9231-9619-60
  • Address: Cfm Oskar Tropitzsch
    Waldershofer Str. 49-51
    95615 Marktredwitz
    Germany null,nullGermany
Contact Supplier

520-36-5 Monomer Apigenin

  • Monomer Apigenin, 99%
  • China henglidahuagong co,.Ltd [Manufacturer]
  • Tel: 13996793719
  • Fax: 86+(0535?2260023
  • Address: NO 238,CANAN ROAD NORTH OF WENCANG,LAIZHOU CITY,SHANGDONG,CHINA LAIZHOU CITYCHINA LAIZHOU CITY,nullChina
Contact Supplier

520-36-5 Apigenin

  • Apigenin, 98.5%
  • Switzerland BIOTREND Chemicals AG [Manufacturer]
  • Tel: +41 44 805 76 76
  • Fax: +41 44 805 76 77
  • Address: BIOTREND Chemicals AG
    Unterdorfstr. 21b
    CH-8602 Wangen/Zuerich
    Switzerland null,nullSwitzerland
Contact Supplier

Select to

References of 5,7-dihydroxy-2-(4-hydroxyphenyl)chromen-4-one
Title: Apigenin
CAS Registry Number: 520-36-5
CAS Name: 5,7-Dihydroxy-2-(4-hydroxyphenyl)-4H-1-benzopyran-4-one
Synonyms: 4¢,5,7-trihydroxyflavone; 2-(p-hydroxyphenyl)-5,7-dihydroxychromone; pelargidenon 1449
Molecular Formula: C15H10O5
Molecular Weight: 270.24
Percent Composition: C 66.67%, H 3.73%, O 29.60%
Literature References: The aglucon of apiin and of apigenin-7-glucoside. From apiin by boiling with acids, from apigenin-7-glucoside by enzymatic hydrolysis with emulsin or by boiling with 15% H2SO4. Isoln and structure: Czajkowski et al., Ber. 33, 1992 (1900); Schmid, Waschkau, Monatsh. Chem. 49, 83 (1928); Baker et al., J. Chem. Soc. 1963, 1477. Synthesis: Hutchins, Wheeler, ibid. 1939, 91; Farooq et al., Arch. Pharm. 292, 792 (1959).
Properties: Yellow needles from aqueous pyridine, mp 345-350°. uv max (ethanol): 269, 340 nm (e 18,800; 20,900). Practically insoluble in water; moderately sol in hot alcohol. Sol in dil KOH with intense yellow color.
Melting point: mp 345-350°
Absorption maximum: uv max (ethanol): 269, 340 nm (e 18,800; 20,900)
Use: Has been used to dye Cr mordanted wool yellow. The color is fast to soap.