6406-32-2

Basic information

• Product Name: COOMASSIE NAVY BLUE G
• Synonyms: COOMASSIE NAVY BLUE G;SUPRANOL FAST CYANIN G;disodium 8-[(4-methylphenyl)amino]-5-[[4-(phenylazo)-7-sulphonatonaphthyl]azo]naphthalenesulphonate;8-[(4-Methylphenyl)amino]-5-[[4-(phenylazo)-7-sulfo-1-naphtyl]azo]-1-naphthalenesulfonic acid disodium salt;C.I.26410;C.I.Acid Blue 118;1-Naphthalenesulfonic acid, 8-((4-methylphenyl)amino)-5-((4-(phenylazo)-7-sulfo-1-naphthalenyl)azo)-, disodium salt;1-Naphthalenesulfonic acid, 8-((4-methylphenyl)amino)-5-(2-(4-(2-phenyldiazenyl)-7-sulfo-1-naphthalenyl)diazenyl)-, sodium salt (1:2)
• CAS NO: 6406-32-2
• Molecular Formula: C33H23N5Na2O6S2
• Molecular Weight: 695.68
• EINECS: 229-027-8
• Mol File: 6406-32-2.mol
• Article Data: 0

Chemical Properties

• Appearance: /
• CAS DataBase Reference: COOMASSIE NAVY BLUE G(CAS DataBase Reference)
• NIST Chemistry Reference: COOMASSIE NAVY BLUE G(6406-32-2)
• EPA Substance Registry System: COOMASSIE NAVY BLUE G(6406-32-2)

Safety Data

• Hazardous Substances Data: 6406-32-2(Hazardous Substances Data)

Usage

Description

COOMASSIE NAVY BLUE G is a navy blue dye that is soluble in water, ethanol, and strong sulfuric acid, with varying shades of blue depending on the solvent. It has been tested for various properties such as light fastness, soaping, perspiration fastness, oxygen bleaching, and fastness to seawater, with ratings ranging from 1 to 5 according to the ISO standard.

Uses

Used in Textile Industry:
COOMASSIE NAVY BLUE G is used as a dye for coloring textiles, providing a deep navy blue shade when dissolved in water and a dark blue shade when dissolved in ethanol. Its light fastness, perspiration fastness, and fastness to seawater make it suitable for use in various textile applications.
Used in Analytical Techniques:
COOMASSIE NAVY BLUE G is used as a staining agent in various analytical techniques, such as gel electrophoresis and protein quantification, due to its ability to bind to proteins and provide a consistent color intensity.
Used in Art and Craft Industry:
COOMASSIE NAVY BLUE G is used as a pigment in art and craft projects, offering a vibrant navy blue color that can be mixed with other colors to create unique shades and effects. Its solubility in water and ethanol makes it easy to work with and apply to various surfaces.

Preparation

aniline diazo, and 8-Aminonaphthalene-2-sulfonic acid coupling, its product to diazo, and 8-(P-toluidino)naphthalene-1-sulfonic acid coupling.

Standard

Light Fastness

Fading

Stain

ISO

5

InChI:InChI=1/C33H25N5O6S2.2Na/c1-21-10-12-22(13-11-21)34-31-19-18-29(26-8-5-9-32(33(26)31)46(42,43)44)37-38-30-17-16-28(36-35-23-6-3-2-4-7-23)25-15-14-24(20-27(25)30)45(39,40)41;;/h2-20,34H,1H3,(H,39,40,41)(H,42,43,44);;/q;2*+1/p-2/b36-35+,38-37+;;