Home > Name List By 1 > 1,3,8-trihydroxy-6-methylanthracene-9,10-dione

CAS No 518-82-1 , 1,3,8-trihydroxy-6-methylanthracene-9,10-dione

  • Name: 1,3,8-trihydroxy-6-methylanthracene-9,10-dione
  • Synonyms: Emodol; Rheum emodin; 3-Methyl-1,6,8-trihydroxyanthraquinone;518-82-1; Schuttgelb; Persian Berry Lake; Frangula emodin;1,3,8-trihydroxy-6-methylanthracene-9,10-dione;
  • CAS Registry Number:
  • Melting Point: 253-257 ºC
  • Density: 1.583 g/cm3
  • Water Solubility: <0.1 G/100 ML AT 19 ºC
  • Safety Statements: R36/37/38
  • Hazard Symbols: Xi: Irritant;
  • EINECS: 208-258-8
  • Molecular Weight: 270.2369
  • InchiKey: RHMXXJGYXNZAPX-UHFFFAOYSA-N
  • InChI: InChI=1S/C15H10O5/c1-6-2-8-12(10(17)3-6)15(20)13-9(14(8)19)4-7(16)5-11
    (13)18/h2-5,16-18H,1H3
  • Risk Statements: S26;S37/39
  • Molecular Formula: C15H10O5
  • Molecular Structure:CAS No:518-82-1 1,3,8-trihydroxy-6-methylanthracene-9,10-dione

Related products

Search by region :

Select to

518-82-1 Emodin

Contact Supplier

518-82-1 Emodin 518-82-1

  • 518-82-1 Emodin
  • Min. Order: 10
  • China Shanghai Hohance Chemical Company [Manufacturer, Trading Company, Buying Office]
  • Tel: 86-21-61918202
  • Fax: 86-21-61918207
  • Address: Tianshan Road,Changning District shanghai,ShanghaiChina
Contact Supplier

518-82-1 Emodin

  • China Shanghai Standard Biotech Co., Ltd. [Manufacturers]
  • Tel: +86-(21)-5132-0033
  • Fax: +86-(21)-5132-0077
  • Address: Room 206, 1011 Halei Road, Shanghai 201203, Shanghai,ShanghaiChina
Contact Supplier

518-82-1 Emodin

Contact Supplier

518-82-1 Emodin

  • China Sino Great Enterprise Ltd. [Manufacturers]
  • Tel: 86-731-84427351
  • Fax: +86-731-84429615
  • Address: 154 Jianxiang South Road, Changsha, Hunan, 410005, China. changsha,hunanChina
Contact Supplier

518-82-1 Emodin

  • China Xi'an app-chem bio(tech) co.,ltd [Manufacturers]
  • Tel: +86-29-88346300 029-88318908
  • Fax: +86-29-88346300
  • Address: Gazelle Valley,No.69,Jinye Road xi'an,shangxiChina
Contact Supplier

518-82-1 EMODIN

  • China Hangzhou Hysen Pharma Co., Ltd [Manufacturer]
  • Tel: 86-571-89937383
  • Fax: 86-571-89937386
  • Address: Hangzhou Hysen Pharma Co., Ltd
    NO. 391, WEN'ER ROAD
    HANGZHOU CHINA null,nullChina
Contact Supplier

518-82-1 Frangula-Emodin synthetic HPLC grade

  • Frangula-Emodin synthetic HPLC grade
  • Germany AppliChem mbH null
  • Tel: +49 6151 93 57 0
  • Fax: +49 6151 93 57 11
  • Address: Ottoweg 4 D-64291 Darmstadt null,nullGermany
Contact Supplier

518-82-1 Emodin

Contact Supplier

518-82-1 Emodin

Contact Supplier

Select to

5/11
Previous 1 2 3 4 5 6 7 8 9 10 Next
References of 1,3,8-trihydroxy-6-methylanthracene-9,10-dione
Title: Emodin
CAS Registry Number: 518-82-1
CAS Name: 1,3,8-Trihydroxy-6-methyl-9,10-anthracenedione
Synonyms: 1,3,8-trihydroxy-6-methylanthraquinone; 4,5,7-trihydroxy-2-methylanthraquinone; frangula emodin; rheum emodin; archin; frangulic acid
Molecular Formula: C15H10O5
Molecular Weight: 270.24
Percent Composition: C 66.67%, H 3.73%, O 29.60%
Literature References: Occurs mostly as the rhamnoside (see Frangulin) in rhubarb root, in alder buckthorn (Rhamnus frangula L.), in Cascara sagrada (Rhamnus purshiana DC., Rhamnaceae), also in Rumex and in other Polygonaceae. Isoln from rhubarb root: Tutin, Clewer, J. Chem. Soc. 99, 946 (1911); Carelli, Giuliano, Farmaco Ed. Prat. 12, 184 (1957); from bark of alder buckthorn: Bridel, Charaux, Bull. Soc. Chim. Biol. 15, 648 (1933). Identity with archin: Chaudhry et al., J. Sci. Ind. Res. 9B, No. 6, 142 (1950), C.A. 44, 9396h (1950). Synthesis from 3,5-dinitrophthalic anhydride and m-cresol: Elder, Widmer, Helv. Chim. Acta 6, 966 (1923); from 2-methylanthraquinone: Ayyangar et al., J. Sci. Ind. Res. 20B, 493 (1961), C.A. 57, 8514b (1962).
Properties: Orange needles from alc or by sublimation at 12 mm. mp 256-257°. Absorption max (ethanol): 222, 252, 265, 289, 437 nm (log e 4.55, 4.26, 4.27, 4.34, 4.10). Practically insol in water; sol in alc, aq alkali hydroxide solns (cherry-red color), Na2CO3 and NH3 solns. Soly at 25° (g/100 ml of satd soln): ether 0.140; chloroform 0.071; carbon tetrachloride 0.010; carbon bisulfide 0.009; benzene 0.041.
Melting point: mp 256-257°
Absorption maximum: Absorption max (ethanol): 222, 252, 265, 289, 437 nm (log e 4.55, 4.26, 4.27, 4.34, 4.10)
 
Derivative Type: 3-Methyl ether
Synonyms: 1,8-Dihydroxy-3-methoxy-6-methylanthraquinone; rheochrysidin
Molecular Formula: C16H12O5
Molecular Weight: 284.26
Percent Composition: C 67.60%, H 4.26%, O 28.14%
Properties: Brick-red, monoclinic needles, mp 207°. Occurs naturally as physcione or parietin.
Melting point: mp 207°
 
Derivative Type: Trimethyl ether
Molecular Formula: C18H16O5
Molecular Weight: 312.32
Percent Composition: C 69.22%, H 5.16%, O 25.61%
Properties: Pale yellow needles, mp 225°.
Melting point: mp 225°
 
NOTE: See also Aloe emodin.
Therap-Cat: Cathartic.
Keywords: Laxative/Cathartic.