Patent Blue V Food Color is also recognized as Sulphan Blue, Acid Blue3, and Food Blue 5 and consists of dark bluish synthetic dye that finds their use in food beverages. Patent Blue V is a food coloring and food additive that is mainly used in scotch eggs, certain jelly sweets, certain jelly varieties, blue curacao, etc. The offered Patent Blue V is an ammonium ion that is a dark bluish synthetic dye used as food colouring agent. Patent blue is aniline dye and it is one of the most common dyes used. It is a sodium or calcium salt of diethylammonium hydroxide inner salt.

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Patent Blue V Food Color Specification

Product Name: Patent Blue V Food Color
Color Shade:
Color Index No. : 42051
Synonyms: Food Blue – 5
Chemical Name: Sodium Salt of [4-a-[4-(Diethylamino)-5′-Hydroxy-2′,4′-Disulphonatobenzhydrylidene] Cyclohexa-2,5-Dien-1-Ylidene]Diethyl Ammonium Hydroxide Inner salt
CAS No: 20262-76-4
Class: Triaryl Methane
Total Dye Content % Min. : 85
Loss on Drying at 135°C & Sodium Chloride & Sulphates % Max. : 13
Water Insoluble Matter % Max. : 0.2
Ether Extracts % Max. : 0.2
Subsidiary Dye % Max. : 2.0
Dyes Intermediates % Max. : 0.50 (4% Leuco)
Unsulphonated Primary Aromatic Amines % Max. : 0.01
Lead (AS "Pb") PPM (Max.) : 10.00
Arsenic (AS "Pb") PPM (Max.) : 3.00
Mercury (AS "Pb") PPM (Max.) : 1.0
Chromium (AS "Pb") PPM (Max.) :
Heavy Metal PPM Max. : 40.00

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Solubility of Patent Blue V Food Color at room temperature

Water (gms./ltr.) : 200.00
Glycerine (gms./ltr.) : 190.00
PropyleneGlycon (gms./ltr.) : 200.00
Ethanol (95%) (gms./ltr.) : Trace

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Stability to Acids	Good
Stability to Neutral	Better
Stability to Alkalines	Best
Stability to Baking 205°C (400°F)	Best
Stability to Light	Best
Stability to Heat	Best

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