Qing County Guoqiang Chemical Plant
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  • Contact Person : Ms. Bao Jane
  • Company Name : Qing County Guoqiang Chemical Plant
  • Tel : 86-22-87797891
  • Fax : 86-22-87797893
  • Address : Tianjin,Tianjin,No.62-3-501 wankejiarifengjing,xiqing dist.300380
  • Country/Region : China
  • Zip : 300082

Lemon yellow, Tartrazine, Food additives

Lemon yellow, Tartrazine, Food additives
Product Detailed
Lemon yellow, Tartrazine, Food additives Molecular formula: C16H9N4Na3O9S2 MW: 534.390 CAS No. :1934-21-0 for food, medicine

Lemon yellow, Tartrazine, Food additives

Food lemon yellow;Tartrazine;FD & C Yellow No.5;C.I.Acid yellow 23;C.I.Food yellow 4(19140);Hydrazine yellow

Molecular formula : C16H9N4Na3O9S2MW : 534.390CAS No. :1934-21-0nature : orange yellow powder. 21 ° Cis as follows : 11.8% water, 10% 9% ethanol, 50% ethanol 3% soluble glycerin, propylene glycol, is not soluble in oil, and an acid-azo dye, heat, acid, light stability, salt tolerance are good, citric acid and tartaric acid solution such as a very stable. Less oxidation resistance, alkali encountered slightly redden, reduction when bleaching. Preparation : sulfanilic acid by diazotization after 1-(4'-sulfophenyl) - 3-hydroxy-5-pyrazolone coupling in the system; Can also be dual hydroxy sodium tartrate and Phenylhydrazine right acid condensation and alkalization will generate the pigments used salt salting-out , generated from refining. purposes : for food, medicine, cosmetics coloring daily. Notice:Each item can have many explanations from different angels. If you want grasp the item comprehensively,please see below "more details data".

Structure:

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