Chemco International

Tartrazine

• Category :

  Dyestuffs and Pigments

• Synonyms :

  Barium 4,5-dihydro-5-oxo-1-(4-sulphonatophenyl)-4-((4-sulphonatophenyl)azo)-1H-pyrazole-3-carboxylate (3:2);$l²-barane; 5-oxo-1-(4-sulfonatophenyl)-4-(4-sulfonatophenyl)azo-4H-pyrazole-3-carboxylate;

• CAS NO :

  84681-80-1

• EC NO :

  283-540-1

• Molecular Formula :

  C₃₂H₁₈Ba₃N₈O₁₈S₄

• Molecular Weight :

  1342.7724

• Main Specifications :

• InChI :

  InChI=1/2C16H12N4O9S2.3Ba.6H/c2*21-15-13(18-17-9-1-5-11(6-2-9)30(24,25)26)14(16(22)23)19-20(15)10-3-7-12(8-4-10)31(27,28)29;;;;;;;;;/h2*1-8,13H,(H,22,23)(H,24,25,26)(H,27,28,29);;;;;;;;;/p-6/r2C16H12N4O9S2.3BaH2/c2*21-15-13(18-17-9-1-5-11(6-2-9)30(24,25)26)14(16(22)23)19-20(15)10-3-7-12(8-4-10)31(27,28)29;;;/h2*1-8,13H,(H,22,23)(H,24,25,26)(H,27,28,29);3*1H2/p-6

• Product description :

  An anionic, hydrophilic azo dye with an orange-yellow color used in fabrics, foods and cosmetics, and as a biological stain.

• Molecular Structure :