CAS 3374-30-9

Acid Blue 5

Description:

Acid Blue 5, with the CAS number 3374-30-9, is a synthetic dye belonging to the class of acid dyes, which are typically used for dyeing textiles, particularly wool and nylon. This compound is characterized by its vibrant blue color and high solubility in water, making it suitable for various applications in the textile industry. Acid Blue 5 is often utilized in food and cosmetic products as well, although its use in food is subject to regulatory scrutiny in many regions. The dye exhibits good lightfastness and stability, which are essential properties for maintaining color integrity in dyed materials. Additionally, Acid Blue 5 can be analyzed using various spectroscopic techniques, such as UV-Vis spectroscopy, to determine its concentration and purity. Safety data indicates that while it is generally considered safe for use in regulated applications, appropriate handling and safety measures should be observed to minimize exposure risks. Overall, Acid Blue 5 is a versatile dye with significant industrial relevance, particularly in the fields of textiles and cosmetics.

Formula: C₃₇H₃₆N₂O₇S₂Ca

InChI: InChI=1S/C37H36N2O7S2.Ca/c1-3-38(25-27-11-7-5-8-12-27)31-19-15-29(16-20-31)37(33-23-34(40)36(48(44,45)46)24-35(33)47(41,42)43)30-17-21-32(22-18-30)39(4-2)26-28-13-9-6-10-14-28;/h5-24H,3-4,25-26H2,1-2H3,(H2-,40,41,42,43,44,45,46);

InChI key: InChIKey=DTEXZYLPOJOFRI-UHFFFAOYSA-N

SMILES: C(C1=C(S(=O)(=O)[O-])C=C(S(=O)(=O)O)C(O)=C1)(C2=CC=C(N(CC3=CC=CC=C3)CC)C=C2)=C4C=CC(=[N+](CC5=CC=CC=C5)CC)C=C4.[Ca]

Synonyms:

• Benzenemethanaminium, N-ethyl-N-[4-[[4-[ethyl(phenylmethyl)amino]phenyl](5-hydroxy-2,4-disulfophenyl)methylene]-2,5-cyclohexadien-1-ylidene]-, inner salt, calcium salt (2:1)
• C.I. Acid Blue 5, calcium salt (2:1)
• Benzenemethanaminium, N-ethyl-N-[4-[[4-[ethyl(phenylmethyl)amino]phenyl](5-hydroxy-2,4-disulfophenyl)methylene]-2,5-cyclohexadien-1-ylidene]-, hydroxide, inner salt, calcium salt (2:1)
• C.I. Acid Blue 5
• Acidal Carmine Blue A

Alphazurine A

CAS: 3374-30-9

Alphazurine A is a blue dye.

Formula: C₃₇H₃₈CaN₂O₇S₂

Color and Shape: Solid

Molecular weight: 726.92

Ref: TM-T29902