CAS 20262-76-4: C.I. Food Blue 5:2

Description:C.I. Food Blue 5:2, also known by its CAS number 20262-76-4, is a synthetic dye primarily used in the food industry to impart a blue color to various products. It belongs to the class of azo dyes, characterized by the presence of one or more azo groups (-N=N-) in their structure. This compound is water-soluble, making it suitable for use in aqueous food products, beverages, and confections. Its stability under acidic and neutral conditions allows it to maintain color integrity in a variety of formulations. C.I. Food Blue 5:2 is often evaluated for safety and regulatory compliance, with guidelines established by food safety authorities to ensure it is safe for consumption. Additionally, it is important to note that the use of food colorants is subject to specific regulations that vary by country, and manufacturers must adhere to these standards to ensure consumer safety. Overall, C.I. Food Blue 5:2 is valued for its vibrant hue and versatility in food applications.

Formula:C₂₇H₃₂N₂O₇S₂·Na

InChI:InChI=1S/C27H32N2O7S2.Na/c1-5-28(6-2)21-13-9-19(10-14-21)27(20-11-15-22(16-12-20)29(7-3)8-4)23-17-24(30)26(38(34,35)36)18-25(23)37(31,32)33;/h9-18H,5-8H2,1-4H3,(H2-,30,31,32,33,34,35,36);

InChI key:InChIKey=VRJACOWSWUNNIL-UHFFFAOYSA-N

SMILES:[Na].O=S(=O)([O-])C1=CC(=C(O)C=C1C(C2=CC=C(C=C2)N(CC)CC)=C3C=CC(C=C3)=[N+](CC)CC)S(=O)(=O)O

Synonyms:
Ci 42051
Einecs 243-654-4
Ethanaminium, N-(4-((4-(diethylamino)phenyl)(5-hydroxy-2,4-disulfophenyl)methylene)-2,5-cyclohexadien-1-ylidene)-N-ethyl-, hydroxide, inner salt, monosodium salt
Ethanaminium, N-[4-[[4-(diethylamino)phenyl](5-hydroxy-2,4-disulfophenyl)methylene]-2,5-cyclohexadien-1-ylidene]-N-ethyl-, inner salt, monosodium salt
Ethanaminium, N-[4-[[4-(diethylamino)phenyl](5-hydroxy-2,4-disulfophenyl)methylene]-2,5-cyclohexadien-1-ylidene]-N-ethyl-, inner salt, sodium salt (1:1)
Food Blue 5:2
Hydrogen (4-(4-(diethylamino)-5'-hydroxy-2',4'-
Hydrogen [4-[4-(diethylamino)-5'-hydroxy-2',4'-disulphonatobenzhydrylidene]cyclohexa-2,5-dien-1-ylidene]diethylammonium, monosodium salt
Patent Blue
Patent Blue V
See more synonyms
Patent blue V sodium salt
Sodium 4-{[4-(Diethylamino)Phenyl][4-(Diethyliminio)Cyclohexa-2,5-Dien-1-Ylidene]Methyl}-6-Hydroxybenzene-1,3-Disulfonate
C.I. Acid Blue 3, monosodium salt
C.I. Food Blue 5:2

Found 10 products.

Product data	Purity	Price range	Estimated delivery
Acid Blue 3 Sodium Salt REF: 3B-A1242CAS: 20262-76-4	- - -	34.00 €	Thu 20 Mar 25
Ethanaminium, N-[4-[[4-(diethylamino)phenyl](5-hydroxy-2,4-disulfophenyl)methylene]-2,5-cyclohexadien-1-ylidene]-N-ethyl-, inner salt, sodium salt (1:1) REF: IN-DA0028C2CAS: 20262-76-4	80%	41.00 €~152.00 €	Thu 27 Mar 25
Patent blue V sodium salt (C.I. 42051) REF: 7W-GT9524CAS: 20262-76-4	- - -	51.00 €	Fri 28 Mar 25
Patent Blue V, sodium salt REF: AC-33933CAS: 20262-76-4	- - -	To inquire	Tue 01 Apr 25
Patent Blue V REF: 04-C15895900CAS: 20262-76-4	- - -	53.00 €	Tue 01 Apr 25
Patent Blue V 100 µg/mL in Acetonitrile:Methanol REF: 04-A15895900MC-100CAS: 20262-76-4	- - -	70.00 €	Tue 01 Apr 25
Patent Blue V Disodium Salt (Technical Grade) REF: TR-P206520CAS: 20262-76-4 25305-77-5	- - -	94.00 €~101.00 €	Tue 08 Apr 25
Acid Blue 3 Sodium Salt (~90%) REF: TR-A189810CAS: 20262-76-4	~90%	101.00 €	Tue 08 Apr 25
Patent blue V sodium salt REF: 3D-W-110516CAS: 20262-76-4	Min. 90.0 Area-%	To inquire	Mon 07 Apr 25
Patent Blue V sodium salt REF: 3D-FC157137CAS: 20262-76-4	- - -	136.00 €~1,511.00 €	Mon 07 Apr 25