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CAS No 93-35-6 , 7-hydroxychromen-2-one

  • Name: 7-hydroxychromen-2-one
  • Synonyms: Coumarin; 7-hydroxy-; Hydrangine; 93-35-6; Hydrangin; Skimmetine; Umbelliferon; Skimmetin;Umbelliferone; 7-Oxycoumarin;7-hydroxychromen-2-one;
  • CAS Registry Number:
  • Melting Point: 228-234 ºC
  • Flash Point: 181
  • Boiling Point: 382
  • Density: 1.403g/cm3
  • Refractive index: 1.64
  • Water Solubility: 1 G/100 ML (100 ºC)
  • Safety Statements: R36/37/38
  • Hazard Symbols: Xi: Irritant;
  • HS Code: 29322980
  • Flash Point: 181
  • EINECS: 202-240-3
  • Molecular Weight: 162.14214
  • InchiKey: ORHBXUUXSCNDEV-UHFFFAOYSA-N
  • InChI: InChI=1S/C9H6O3/c10-7-3-1-6-2-4-9(11)12-8(6)5-7/h1-5,10H
  • Risk Statements: S26;S36
  • Molecular Formula: C9H6O3
  • Molecular Structure:CAS No:93-35-6 7-hydroxychromen-2-one
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93-35-6 7-Hydroxycoumarin

  • China Taiyuan RHF CO., ltd. [Manufacturers]
  • Tel: 0351-7436719
  • Fax: +86-351-7436719
  • Address: Shuangta South Alley 46,2-1, YingZe Area,Taiyuan, ShanXi ,ShanXiChina
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93-35-6 7-Hydroxycoumarin

  • 7-Hydroxycoumarin7-Hydroxycoumarin, 98%
  • China PMIDA AGROCHEMICAL CO.,LTD [Manufacturer]
  • Tel: +86-023-67030808-8010
  • Fax: +86-023-67030809
  • Address: 17F,Venus Science Incubate Center,No.60 Xingguang Road,New North Zone401121 ChongqingCHINA Chongqing,China
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93-35-6 7-Hydroxycoumarin

  • 7-Hydroxycoumarin, 98%
  • China Shanghai Rainbow Chemistry Co., Ltd. [Manufacturer]
  • Tel: +86-21-64968086
  • Fax: +86-21-64968086
  • Address: Room 128, Building B, No. 8 Lane 1305, Huajing Road, Xuhui District, Shanghai, P.R. China 200000 Shanghai CHINA Shanghai,China
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93-35-6 7-Hydroxycoumarin

  • 7-HydroxycoumarinUmbelliferone, 98%
  • United States INDOFINE Chemical Co., Inc. [Manufacturer]
  • Tel: (908) 359-6778
  • Fax: (908) 359-1179
  • Address: 121 Stryker Lane
    Bldg 30, Suite 1
    Hillsborough, NJ 08844 ,United States
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93-35-6 7-Hydroxycoumarin

  • United States HBCChem, Inc. [Manufacturers]
  • Tel: +1-510-219-6317
  • Fax: +1-510-675-0318
  • Address: Union City,CaliforniaUnited States
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93-35-6 7-Hydroxycoumarin

  • 7-Hydroxycoumarin
  • Switzerland CONNECT MARKETING GMBH [Manufacturer]
  • Tel: +41 81 740 58 50
  • Fax: +41 81 740 58 51
  • Address: CONNECT MARKETING GMBH
    BAHNWEG NORD 35
    CH-9475 SEVELEN/SG
    SWITZERLAND ,Switzerland
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93-35-6 7-Hydroxycoumarin

  • 7-Hydroxycoumarin
  • Hong kong Frapp's Pharma (Hongkong) Co.,Ltd [Manufacturer]
  • Tel: +852 8130 0917
  • Fax: +852 8130 0927
  • Address: Room 801,Mongkok Harbour Centre,638 Shanghai Street,Mongkok,Kowloon,Hongkang518001 MongkokHONG KONG Mongkok,Hong kong
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93-35-6 7-Hydroxycoumarin

  • 7-Hydroxycoumarin, 98.0%MIN
  • China Zeniview Chemistry Technology Co., Ltd. [Manufacturer]
  • Tel: +86-25-86088590
  • Fax: +86-25-85612276
  • Address: No.05,No.01 Hangzhongmen Dajie, Nanjing, China 210016 Nanjing CHINA 210016 NanjingCHINA Nanjing,China
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93-35-6 7-HYDROXYCOUMARIN

  • 7-HYDROXYCOUMARIN, 99+%
  • United States INTERNATIONAL LABORATORY LIMITED [Manufacturer]
  • Tel: ( 650 ) 278-9963
  • Fax: ( 650 ) 589-2786
  • Address: 1067 SNEATH LN SAN BRUNO CA 94066, USA SAN BRUNOUNITED STATES SAN BRUNO,United States
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93-35-6 7-Hydroxycoumarin

  • 7-Hydroxycoumarin
  • 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
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References of 7-hydroxychromen-2-one
Title: Umbelliferone
CAS Registry Number: 93-35-6
CAS Name: 7-Hydroxy-2H-1-benzopyran-2-one
Synonyms: 7-hydroxycoumarin; hydrangin; skimmetin
Molecular Formula: C9H6O3
Molecular Weight: 162.14
Percent Composition: C 66.67%, H 3.73%, O 29.60%
Literature References: The aglucon of skimmin. Present in many plants. Obtained by distillation of resins from umbelliferae: Zwenger, Ann. 115, 1, 15 (1860). Prepn: Bert, Compt. Rend. 214, 230 (1942); Austerweil, ibid. 248, 1810 (1959); Dressler, Reabe, US 3503996 (1970 to Koppers). Main product of metabolism of coumarin in man: Schilling et al., Nature 221, 664 (1969). Metabolism studies of umbelliferone: Indahl, Scheline, Xenobiotica 1, 13 (1971). Use in brain intracellular pH measurements: T. M. Sundt, R.E. Anderson, Brain Res. 186, 355 (1980); eidem, J. Neurophysiol. 44, 60 (1980). Use in fluorescent immunoassays: S. G. Thompson, J. F. Burd, Antimicrob. Agents Chemother. 18, 264 (1980); T. M. Li et al., Anal. Biochem. 118, 102 (1981).
Properties: Needles from water, mp 225-228°. Develops odor of coumarin on heating. Sublimes. Absorption spectrum: Sen, Bagchi, J. Org. Chem. 24, 316 (1959). One gram dissolves in ~100 ml boiling water; freely sol in alcohol, chloroform, acetic acid; sol in dil alkalies; sparingly sol in ether. Solns show blue fluorescence.
Melting point: mp 225-228°
Use: In sunscreen lotions and creams; as intracellular and pH sensitive fluorescent indicator and blood-brain barrier probe.