6378-89-8

Basic information

• Product Name: Acid blue 98 (C.I. 50335)
• Synonyms: Acid blue 98 (C.I. 50335);9-[N-Ethyl-N-(3-sodiosulfobenzyl)amino]-5-[(4-diethylamino-3-sulfophenyl)amino]-7-phenylbenzo[a]phenazin-7-ium;C.I.50335;C.I.Acid Blue 98;Supranol Fast Cyanine B
• CAS NO: 6378-89-8
• Molecular Formula: C41H39 N5 O6 S2 . Na
• Molecular Weight: 784.91
• Mol File: 6378-89-8.mol
• Article Data: 0

Chemical Properties

• Appearance: /
• CAS DataBase Reference: Acid blue 98 (C.I. 50335)(CAS DataBase Reference)
• NIST Chemistry Reference: Acid blue 98 (C.I. 50335)(6378-89-8)
• EPA Substance Registry System: Acid blue 98 (C.I. 50335)(6378-89-8)

Safety Data

• Hazardous Substances Data: 6378-89-8(Hazardous Substances Data)

Usage

Description

Acid blue 98 (C.I. 50335) is a synthetic dye characterized by its red light navy blue color. It is soluble in water and ethanol, producing a blue hue. When exposed to strong sulfuric acid, it turns green and turns red purple upon dilution. In a water solution, the addition of sodium hydroxide results in a purplish-red color, accompanied by precipitation.

Uses

Used in Textile Industry:
Acid blue 98 (C.I. 50335) is used as a dye for coloring fabrics. It is known for its light fastness, soaping fastness, and perspiration fastness, making it suitable for various textile applications.
Used in Leather Industry:
Acid blue 98 (C.I. 50335) is used as a dye for coloring leather products. It demonstrates fastness to oxygen bleaching and seawater, making it a reliable choice for leather goods that may be exposed to these elements.
Standard:
The fastness properties of Acid blue 98 (C.I. 50335) are measured using ISO and AATCC standards. The light fastness is rated 5 on the ISO scale and 5 on the AATCC scale. The soaping fastness is rated 2 on both scales, while the perspiration fastness is rated 1 on the ISO scale and 1-2 on the AATCC scale. The oxygen bleaching fastness is rated 4 on the ISO scale and 3-4 on the AATCC scale. The fastness to seawater is rated 4-5 on the ISO scale and 2 on the AATCC scale.

Preparation

N-ethyl-N-benzyl-4-nitrosoaniline?and N-phenyl-2-naphthylaminec condensation and oxidation of the product. Then with N1,N1-diethylbenzene-1,4-diamine and condensation of a mixture of ?N,N-diethyl-4-nitrosobenzenamine and with 65% oleum disulfonated finally converted into sodium salt.

Standard

Light Fastness

Fading

Stain

ISO

5

AATCC

5

InChI:InChI=1/C41H39N5O6S2.Na/c1-4-44(5-2)37-22-19-29(24-40(37)54(50,51)52)42-36-26-39-41(34-18-11-10-17-33(34)36)43-35-21-20-31(25-38(35)46(39)30-14-8-7-9-15-30)45(6-3)27-28-13-12-16-32(23-28)53(47,48)49;/h7-26H,4-6,27H2,1-3H3,(H2,47,48,49,50,51,52);/q;+1/p-1