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Curcumin

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  Post Date: Sep 13,2015
  Expiry Date: Sep 12,2016
  Detailed Description: Cas No. :458-37-7 Quantity: 2000Kilograms
Specs:ISO
Price:1 USD Kilograms
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Curcumin
Curcumin CAS458-37-7 Orange Yellow Powder
CAS: 458-37-7
Alias:Turmeric yellow, Diferuloylmethane
Appearance:Orange Yellow Powder
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assay 98%min
Molecular Formula: C21H20O6
Molecular Weight: 368.3799
EINECS: 207-280-5
Solubility: Slightly soluble in hot water
Function:Food & Medicine Colorants
Introduction:
Curcumin is the principal curcuminoids of the popular Indian spice turmeric, which is a member of the ginger family (Zingiberaceae). The other two curcuminoids are desmethoxycurcumin and bis-desmethoxycurcumin. The curcuminoids are polyphenols and are responsible for the yellow color of turmeric. Curcumin can exist in at least two tautomeric forms, keto and enol. The enol form is more energetically stable in the solid phase and in solution.
Curcumin can be used for boron quantification in the so-called curcumin method. It reacts with boric acid forming a red colored compound, known as rosocyanine.
Curcumin is brightly colored and may be used as a food coloring. As a food additive, its E number is E100
Spec.:90%;95% UV
The turmeric which shows on the orange yellow crystallization powder detained from the curcuma by extracting and crystallizating. The major constituent is curcumin.
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  CAS Registry Number:

458-37-7

  Synonyms: ;curcumin;C.I. 75300;C.I. Natural Yellow 3;1,6-Heptadiene-3,5-dione, 1,7-bis(4-hydroxy-3-methoxyphenyl)-, (E,E)-;1,7-bis(4-hydroxy-3-methoxyphenyl)-1,6-heptadiene-3,5-dione;diferuloylmethane;curouma;E-100;E100;gelbwurz;Haidr;Halad;haldar;Halud;indian saffron;kachs haldi;merita earth;safra d'inde;souchet;terra merita;tumeric yellow;yellow ginger;yellow root;YO-KIN;(1E,4Z,6E)-5-hydroxy-1,7-bis(4-hydroxy-3-methoxyphenyl)hepta-1,4,6-trien-3-one;Natural Yellow 3;
  Molecular Formula: C21H20O6
  Molecular Weight: 368.3799
  Molecular Structure: 458-37-7 Curcumin
  Hazard Symbols:  Xi:Irritant;
  Risk Codes: R36/37/38:;
  Safety Description: S26:;
S36:;

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