Acid Yellow 23

• Post Date:

  Aug 14,2014

• Expiry Date:

  Feb 10,2015

• Detailed Description:

  Cas No. :1934-21-0 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
  

• CAS Registry Number:

  1934-21-0

• 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;

• Molecular Formula:

  C₁₆H₉N₄Na₃O₉S₂

• Molecular Weight:

  534.3634

• Molecular Structure:

  

• Safety Description:

  S24/25:;
  

• Company:

  Anyang Criss chemicals Co,.ltd.     [ China ]        

• Contact:

  Mr zhang

• Tel:

  86-372-5055727

• Fax:

  86-372-5055727

• Email:

  crisschem@hotmail.com