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Food Yellow 4

Name:C.I.Food Yellow 4,C.I.19140

Molecular Structure: Single azo class

C.I.Food Yellow 4,C.I.19140,CAS 1934-21-0,C16H9N4Na3O9S2,534.37

C.I.Food Yellow 4,C.I.19140,CAS 1934-21-0,C16H9N4Na3O9S2,534.37

Molecular Formula:C16H9N4Na3O9S2

Molecular Weight: 534.37

CAS Registry Number:1934-21-0

Manufacturing Methods : (a) 4-Aminobenzenesulfonic acid
diazo, and 5-Oxo-1-(4-sulfophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylic acid coupled; (b), 4-Hydrazinobenzenesulfonic acid (2 Moore) and Oxalacetic acid reaction.

Properties and Applications:  yellow. Orange yellow powder. Soluble in water for yellow. Slightly soluble better ethanol and soluble fiber element, insoluble in other organic solvents. The strong sulfuric acid for yellow, yellow solution diluted; In nitric acid also for yellow solution. The dye solution to join strong hydrochloric acid colour and lustre is unchanged; Add thick sodium hydroxide solution for red light yellow. LD50 (rat through the mouth) : > 2000 mg/kg, ADI: 7.5 mg/kg. And C.I.Acid Yellow 23 and the same chemical structure.

List of Suppliers:

Atul Tartrazine ( Atul Limited )

Cogilor Yellow 113.11 90003( Anstead International )

Conacert Tartrazine ( Proquimac Color )

D&C Yellow No. 5 ( Sun Chemical Corp. )

Daiwa Tartrazine( aseihin Kogyo Kyokai )

Devar T artrazine ( Devarsons Industries Ltd )

Dycosedible Tartrazine ( Sinochem Shanghai I/E Corp/Schecho PuDong Corporation )

Eurocert Tartrazine ( Warner-Jenkinson Co )

Eurogran Tartrazine( Warner-Jenkinson Co )

FD&C Yellow S( Cuckoo Ltd )

FD&C Yellow 5 ( Simpsons (UK) Ltd )

FD&C Yellow 5 ( Jos H Lowenstein & Sons Inc )

FD&C Yellow No. 5 ( Yorkshire Group pic )

FD&C Yellow No. 5( Colorquimica S.A. )

FD&C Yellow No. 5 Aluminium Lake ( Sun Chemical Corp. )

FD&C Yellow No.5( Pointing Ltd )

FD&C Yellow No.5 ( Sun Chemical Corp. )

FD&C Yellow No.5( Warner-Jenkinson Co )

FD&C Yellow No.5 37000 ( Anstead International )

FD&C Yellow No.5 37009( Anstead International )

FD&C Yellow No.5 90123( Anstead International )

FD&C Yellow No.5 W081( Les Colorants Wackherr )

Food Yellow 5( Pyosa Pigments )

Hexacol Tartrazine ( Pointing Ltd )

Neelicol Tartrazine ( Neelikon Food Dyes and Chemicals Ltd )

Orco FD&C Yellow No. 5( Organic Dyestuffs Corp )

San-Ei Gen Food Yellow No. 4( Kaseihin Kogyo Kyokai )

Sicovit Tartrazine 85 E102( BASF Aktiengesellschaft )

Sipalim Yellow E l02 ( SIPO Srl )

Solagen Tartrazine ( Cassella AG )

Tartrazine( Frado )

Tartrazine( Hickson & Dadajee Ltd )

Tartrazine ( Fiorio Colori SpA )

Tartrazine( Chemische Fabriek Triade BV )

Tartrazine( Sharda International )

Tartrazine( Colorquimica S.A. )

Tartrazine 36008( Anstead International )

Tartrazine 36027 ( Anstead International )

Tartrazine 37000( Anstead International )

Tartrazine 37009 ( Anstead International )

Tartrazine 90123( Anstead International )

Tartrazine A (E102)( Manuel Vilaseca SA )

Tartrazine E( SBU Pigments and Dyes )

Tartrazine E102( Simpsons (UK) Ltd )

Tartrazine E102( SPOL CHEMIE )

Tartrazine NS( Golden Dyes Corpn (India) Pvt Ltd )

Tartrazine NS Supra ( Golden Dyes Corpn (India) Pvt Ltd )

Tartrazine O Specially Puref( Cassella AG )

Tartrazine Supra ( Hickson & Dadajee Ltd )

Tartrazine Yellow( JK Promotions )

Tartrazine Yellow ( Bhavi International Ltd )

Tartrazine Yellow( Day-Glo Color Corp. )

Usac ertFD&C Yellow No 5 ( Warner-Jenkinson Co )

Usagran FD&C Yellow No 5( Warner-Jenkinson Co )

Vitasyn Tartrazine XX 90( Cassella AG )

Water Yellow 176552( Morton International Ltd )


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