Anyang Criss chemicals Co,.ltd.

Acid Yellow 23

• Category :

  Dyestuffs and Pigments

• Synonyms :

  C.I. 640;C.I. 19140;C.I. Acid Yellow 23;C.I. Acid Yellow 23, trisodium salt;C.I. Food Yellow 4;C.I. Acid Yellow 23, trisodium salt (VAN) (8CI);Tartrazine;4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-[(4-sulfophenyl)azo]-1H-Pyrazole-3-carboxylic acid, trisodium salt;Acid Yellow 23;Dihydro-5-oxo-1-(4-sulfophenyl)-4-((4-sulfophenyl)azo)-1H-pyrazole-3-carboxylic acid, trisodium salt;FD&C Yellow No. 5;Filter Yellow;Food Yellow No.4;Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-((4-sulfophenyl)azo)-, trisodium salt;Tartrazine C;Tartrazine C.I.19140;Trisodium 1-(4-sulfonatophenyl)-4-(4-sulfonatophenylazo)-5-pyrazolone-3-carboxylate;Trisodium 1-(4-sulfophenyl)-4-((4-sulfophenyl)azo)-1H-pyrazole-3-carboxylate;trisodium (4Z)-5-oxo-1-(4-sulfonatophenyl)-4-[(4-sulfonatophenyl)hydrazono]-4,5-dihydro-1H-pyrazole-3-carboxylate;trisodium (4E)-5-oxo-1-(4-sulfonatophenyl)-4-[(4-sulfonatophenyl)hydrazono]-4,5-dihydro-1H-pyrazole-3-carboxylate;trisodium 5-hydroxy-1-(4-sulfonatophenyl)-4-[(E)-(4-sulfonatophenyl)diazenyl]-1H-pyrazole-3-carboxylate;

• CAS NO :

  1934-21-0

• EC NO :

  217-699-5

• Molecular Formula :

  C₁₆H₉N₄Na₃O₉S₂

• Molecular Weight :

  534.3634

• Main Specifications :

• InChI :

  InChI=1/C16H12N4O9S2.3Na/c21-15-13(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;;;/h1-8,21H,(H,22,23)(H,24,25,26)(H,27,28,29);;;/q;3*+1/p-3/b18-17+;;;

• Product description :

  Packaging & Delivery Packaging Details: 25KG Iron Drums , Cartons and Woven bags Delivery Detail: 15 days after the payment. Specifications CAS no:1934-21-0 Appearance:yellow powder More than 10 years chemical trading experience Basic Information: Product Name: Tartrazine Synonyms: C.I. 19140; C.I. Acid Yellow 23; C.I. Acid Yellow 23, trisodium salt; C.I. Food Yellow 4; C.I. Acid Yellow 23, trisodium salt (VAN) (8CI); Tartrazine; CAS RN.: 1934-21-0 EINECS: 217-699-5 Molecular Weight: 534.3634 Molecular Formula: C16H9N4Na3O9S2 Melting Point(°C): 300°C Water Solubility: 260 g/L (30°C) Specifications: CAS no 1934-21-0 Appearance yellow powder Light fastness 6-7 wash fastness 5 mosture 1%max Sweat fastness 5 Hot pressing 4-5 Applications Mainly used in all kind of naturalfibers like wool, cotton and silk as well as to synthetics like polyesters, acrylicand rayon. But they are not substantive to cellulosic fibers. They are alsoused in paints, inks, plastics and leather. Packing 25KG Iron Drums , Cartons and Woven bags

• Molecular Structure :