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CAS No 550-24-3 , 2,5-dihydroxy-3-undecylcyclohexa-2,5-diene-1,4-dione Search by region : Switzerland

  • Name: 2,5-dihydroxy-3-undecylcyclohexa-2,5-diene-1,4-dione
  • Synonyms: 550-24-3;2,5-dihydroxy-3-undecylcyclohexa-2,5-diene-1,4-dione; Embelin; Embelia ribes; 2,5-Dihydroxy-3-undecyl-1,4-benzoquinone; 2,5-Dihydroxy-3-undecyl-p-benzoquinone;Emberine; Embelic acid;
  • CAS Registry Number:
  • Melting Point: 142-143°C
  • Flash Point: 229.1°C
  • Boiling Point: 431.9°C at 760 mmHg
  • Density: 1.131g/cm3
  • Refractive index: 1.537
  • Safety Statements: Poison by intraperitoneal route. Experimental reproductive effects. When heated to decomposition it emits acrid smoke and fumes.
  • Flash Point: 229.1°C
  • EINECS: 208-979-8
  • Molecular Weight: 294.38594
  • InchiKey: IRSFLDGTOHBADP-UHFFFAOYSA-N
  • InChI: InChI=1S/C17H26O4/c1-2-3-4-5-6-7-8-9-10-11-13-16(20)14(18)12-15(19)17
    (13)21/h12,18,21H,2-11H2,1H3
  • Molecular Formula: C17H26O4
  • Molecular Structure:CAS No:550-24-3 2,5-dihydroxy-3-undecylcyclohexa-2,5-diene-1,4-dione

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References of 2,5-dihydroxy-3-undecylcyclohexa-2,5-diene-1,4-dione
Title: Embelin
CAS Registry Number: 550-24-3
CAS Name: 2,5-Dihydroxy-3-undecyl-2,5-cyclohexadiene-1,4-dione
Synonyms: 2,5-dihydroxy-3-undecyl-p-benzoquinone; "Embelic acid"
Molecular Formula: C17H26O4
Molecular Weight: 294.39
Percent Composition: C 69.36%, H 8.90%, O 21.74%
Literature References: From fruit of Embelia ribes Burm., Myrsinaceae. Isoln: Heffter, Feuerstein, Arch. Pharm. 238, 15 (1900). Structure and synthesis: Fieser, Chamberlin, J. Am. Chem. Soc. 70, 71 (1948).
Properties: Glistening orange plates from alcohol, benzene or acetic acid, mp 142-143°. Soluble in the usual hot organic solvents or in alkali hydroxide solns; very slightly sol in petr ether. Practically insol in water.
Melting point: mp 142-143°
 
Derivative Type: Diammonium salt
Synonyms: Ammonium embelate
Molecular Formula: C17H34N2O4
Molecular Weight: 330.46
Percent Composition: C 61.79%, H 10.37%, N 8.48%, O 19.37%
Properties: Grayish-violet powder. Sol in water, dil alcohol.
 
Derivative Type: Disemicarbazone
Molecular Formula: C19H32N6O4
Molecular Weight: 408.50
Percent Composition: C 55.86%, H 7.90%, N 20.57%, O 15.67%
Properties: Pale-brown needles from dil alcohol, dec 236°.
 
Derivative Type: Dioxime
Molecular Formula: C17H28N2O4
Molecular Weight: 324.42
Percent Composition: C 62.94%, H 8.70%, N 8.63%, O 19.73%
Properties: Pale-yellow needles from acetic acid, mp 278°.
Melting point: mp 278°
 
CAUTION: Handle with care; irritates mucous membranes and may cause prolonged and violent sneezing!
Therap-Cat: Ammonium embelate as an anthelmintic (Cestodes).
Keywords: Anthelmintic (Cestodes).