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Food Blue 5

Name:C.I.Food Blue 5,C.I.42051

Molecular Structure: triarylmethane class

C.I.Food Blue 5,C.I.42051,CAS 3536-49-0,560.86,C27H32N2O7S2,PuriColor Blue FBL5

C.I.Food Blue 5,C.I.42051,CAS 3536-49-0,560.86,C27H32N2O7S2,PuriColor Blue FBL5

Molecular Formula:C27H32N2O7S2

Molecular Weight: 560.86

CAS Registry Number:3536-49-0

Manufacturing Methods :(a) 3-Nitrobenzaldehyde and N,N-diethylbenzenamine (2 Moore) condensation, and then reduction, and will be on the product by diazo, then transformed into hydroxyl, again two stlfonation, finally will product into calcium salt and segregation and oxidation;

(b)3-Hydroxybenzaldehyde and  N,N-diethylbenzenamine (2 Moore) condensation, then the second cross, melt into calcium salt and oxidation.

Properties and Applications: colourful green light blue. Soluble in water for blue, slightly soluble in ethanol for green light blue. The strong sulfuric acid for brown-olive yellow, yellow for deep diluted, and then to green. Dyes to join sodium hydroxide solution of the same color, heat into deep purple. And C.I. Acid blue 3 the same chemical structure.

List of Suppliers:

Blue Patent FGM ( Fiorio Colori SpA )

Conacert Patent Blue V( Proquimac Color )

Eurocert Patent Blue V( Warner-Jenkinson Co )

Eurocert Patent Blue V 312726 (Warner-Jenkinson Co )

Eurogran Patent Blue V(Warner-Jenkinson Co )

Hexacol Patent Blue V ( Pointing Ltd )

Neelicol Patent Blue V ( Neelikon Food Dyes and Chemicals Ltd )

Patent Blue V ( Chemische Fabriek Triade BV )

Patent Blue V ( Sharda International )

Patent Blue V 308005 (Warner-Jenkinson Co)

Patent Blue V Calcium Salt 36017( Anstead International )

Patent Blue V Calcium salt 90146( Anstead International )

Patent Blue V Sodium Salt 36001 ( Anstead International )

PuriColor Blue FBL5( Ciba Specialty Chemicals Inc )

Sicovit Patent Blue 85 E l31 ( BASF Aktiengesellschaft )

Simfood Patent Blue V E131 ( Simpsons (UK) Ltd )

Vitasyn Patent Blue V 50 ( Cassella AG )

Vitasyn Patent Blue V 85 ( Cassella AG )


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