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Theobromine Basic information
Theobromine Chemical Properties
Safety Information
Theobromine Usage And Synthesis
  • Chemical Propertieswhite to light yellow crystal powder
  • Chemical PropertiesA methyl xanthine similar to caffeine. Theobromine has a bitter taste.
  • OccurrenceReported found in cocoa bean, cocoa powder, cola nut and tea.
  • UsesA metabolite of Caffeine
  • Usesdiuretic, bronchodilator, cardiotonic
  • DefinitionChEBI: A dimethylxanthine having the two methyl groups located at positions 3 and 7. It is a purine alkaloid derived from cocoa tree.
  • General DescriptionOdorless white crystalline powder. Bitter taste. pH (saturated solution in water): 5.5-7.
  • Air & Water ReactionsInsoluble in water.
  • Reactivity ProfileTheobromine may be sensitive to prolonged exposure to light. Theobromine has weakly acidic properties, combining with bases to forms salts. Theobromine also has even weaker basic properties, combining with acids to form salts which are decomposed in aqueous solution. .
  • HazardToxic by ingestion. Questionable carcinogen.
  • Fire HazardFlash point data for Theobromine are not available; however, Theobromine is probably combustible.
  • Safety ProfilePoison by ingestion. Moderately toxic by subcutaneous route. An experimental teratogen. Human systemic effects by ingestion: central nervous system and gastrointestinal changes. Experimental reproductive effects. Human mutation data reported. When heated to decomposition it emits toxic fumes of NOx. Used as a diuretic, smooth muscle relaxant, cardiac stimulant, and vasoddator.
  • Purification MethodsIt crystallises from H2O. Its solubility in H2O is 0.06% at 15o and 1.25% at 100o, and it is poorly soluble in organic solvents. It forms salts with heavy metals and is a diuretic, vasodilator and a cardiac stimulant. [Lister Purines Part II, Fused Pyrimidines Brown Ed, Wiley-Interscience pp254-225 1971, ISBN 0-471-38205-1, Beilstein 26 H 457, 26 I 135, 26 II 264, 26 III/IV 2336.]
Theobromine Preparation Products And Raw materials
Theobromine(83-67-0)Related Product Information
  • Company Name:Yichang Yongnuo Pharmaceutical Co., Ltd. Gold
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