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

CAS No 518-82-1 , 1,3,8-trihydroxy-6-methylanthracene-9,10-dione Search by region : India

  • 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

Select to

518-82-1 Emodin

  • Emodin (from Rheum emodi, a Himalayan rhubarb) is a purgative resin, 6-methyl-1,3,8-trihydroxyanthraquinone, from rhubarb, buckthorn and Japanese knotweed (Fallopia japonica syn. Polygonum cuspidatum).[1] It can also be isomers in botanical extracts....
  • India New Age Life Sciences [Manufacturer]
  • Tel: 91-91-27170071
  • Fax: --
  • Address: New Age Life Sciences, Plot No.20, Road No.4, Beside Bharath Electronics Limited, IDA, Mallapur,HYDERABAD-500076. Hyderabad,Andhra pradeshIndia
Contact Supplier

518-82-1 EMODIN

  • EMODIN
  • India Sisco Research Laboratories Pvt. Ltd. [Manufacturers]
  • Tel: +91 22 26872601
  • Fax: +91 22 26872681
  • Address: 2/F, Satam Industrial Estate, 'C' Wing, 2nd floor,Dr. Cardinal Gracious Road,Andheri (E), Mumbai - 400 099.Maharashtra, India. Mumbai,MumbaiIndia
Contact Supplier

518-82-1 Emodin

Contact Supplier

Select to

1/1
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.