CAS 1327-57-7

C.I. Sulphur Blue 7

Description:

C.I. Sulphur Blue 7, with the CAS number 1327-57-7, is an organic dye primarily used in the textile industry for dyeing cotton and other cellulose fibers. It belongs to the class of sulfur dyes, which are characterized by their ability to form insoluble compounds that bond well with fibers, providing excellent wash and light fastness. This dye typically exhibits a deep blue color and is known for its good stability and resistance to fading. The chemical structure of C.I. Sulphur Blue 7 includes sulfur atoms, which contribute to its unique properties and functionality. It is generally applied in a reductive dyeing process, where the dye is solubilized and then applied to the fabric, followed by oxidation to fix the color. Safety considerations include potential skin and respiratory irritations, so appropriate handling and protective measures are recommended during its use. Overall, C.I. Sulphur Blue 7 is valued for its vibrant hue and durability in various applications, particularly in the textile sector.

Formula: C₁₃H₁₄N₂O

Synonyms:

• Acco Sulfur Blue 2R-CF
• C.I. Sulphur Blue 7
• C.I. Sulfur Blue 7
• Acco Sulfur Blue B-CF
• Acco Sulfur Blue R-CF
• C.I. 53440
• Asathio Blue 3B
• Acco Sulfur Blue 6R-CF
• Phenol, 4-[(4-amino-3-methylphenyl)amino]-, reaction products with sodium sulfide (Na2(Sx))
• Sulphur Blue Z
• Asathio Blue BB
• Kayaku Sulphur Blue FBB
• Mitsui Sulphur Blue BC
• Sulphur Blue B
• Asathio Blue TFB
• Mitsui Sulphur Blue 4R
• Acco Sulfur Blue GLP-CF
• Sulfur blue 7 (C.I. 53440)
• Mitsui Sulphur Blue 3BN
• Mitsui Sulphur Blue TFB
• Kayaku Sulphur Blue TFB
• Asathio Blue RC
• Atul Sulfur Navy Blue
• Sulphur Blue BNC
• Asathio Blue D-3B
• Sulfur Blue BRN
• Asathio Blue DG
• Kayaku Sulphur Blue RC
• Mitsui Sulphur Blue RC
• Acco Sulfur Blue 4R-CF
• Asathio Blue BS
• Sulphur Blue BR
• Kayaku Sulphur Blue FNB
• Mitsui Sulphur Blue FB