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Home/Compounds/Dye & Pigment/Acid blue 7
C37H35N2NaO6S2
690.8 g/mol
Dye & Pigment

Acid blue 7

CAS3486-30-4EC222-476-0
Category
Dye & Pigment
Compound Class
Aromatic
Primary Use
Blue colorant for foods and cosmetics

Acid blue 7 is a synthetic triarylmethane dye used primarily as a blue colorant in food and cosmetic products. It is closely related to brilliant blue FCF and is commonly employed for its vibrant blue shade in consumer goods.

blue colorant for processed foodscolor additive in cosmeticsdye for medications and dietary supplements

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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Identifiers
IUPAC Name

sodium 4-[[4-[benzyl(ethyl)amino]phenyl]-[4-[benzyl(ethyl)azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]benzene-1,3-disulfonate

InChIKey

FTUYQIPAPWPHNC-UHFFFAOYSA-M

SMILES

CCN(CC1=CC=CC=C1)C2=CC=C(C=C2)C(=C3C=CC(=[N+](CC)CC4=CC=CC=C4)C=C3)C5=C(C=C(C=C5)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+]

Synonyms (52)
  • Acid Blue 7, Patent Blue A
  • Acid Blue O
  • Acid Sky Blue O
  • Acid Turquoise Blue A
  • Acid blue 7
  • Aizen Brilliant Acid Blue AFH
  • Alphazurin A
  • Alphazurine A, Dye content
  • Blekit turkusowy A
  • Blekit turkusowy A [Polish]
  • Brilliant Acid Blue AS
  • Brilliant Acid Blue N Extra
  • Bucacid Patent Blue AF
  • C.I. ACID BLUE 7
  • C.I. Acid Blue 7 (7CI)
  • C.I. Acid Blue 7, sodium salt
  • Calcocid Blue AX
  • Carmine Blue AF
  • D and C Blue No. 3
  • D&C BLUE NO. 3 (DELISTED)
  • Disulphine Blue AN
  • Disulphine Lake Blue AN
  • Erio Glaucine X
  • Erio Glaucine XC
  • Erio Glaucine XS
  • Ext D and C Blue No. 3
  • Fenazo bluexg
  • Hidacid Blue A
  • Hidacid Blue AF
  • Kayacyl Pure Blue FGA
  • Kiton Blue A
  • Lake Blue AFX
  • Merantine Blue AF
  • Patent Blue A
  • Patent Blue A (VAN)
  • Patent Blue AF
  • Pontacyl Brilliant Blue A
  • Sandolan Turquoise E-AS
  • Shimazaki Patent Blue AFX
  • Tertracid Carmine Blue A
  • Vulcol Blue BZ
  • Xylene Blue AS