12239-00-8

Basic information

• Product Name: 5-[[4-(aminosulphonyl)-2-nitrophenyl]amino]-2-[[4-[[4-(aminosulphonyl)-2-nitrophenyl]amino]phenyl]amino]benzenesulphonic acid
• Synonyms: 5-[[4-(Aminosulfonyl)-2-nitrophenyl]amino]-2-[[4-[[4-(aminosulfonyl)-2-nitrophenyl]amino]phenyl]amino]benzenesulfonic acid;C.I.10402;5-[[4-(aminosulphonyl)-2-nitrophenyl]amino]-2-[[4-[[4-(aminosulphonyl)-2-nitrophenyl]amino]phenyl]amino]benzenesulphonic acid;5-[[4-(aminosulfonyl)-2-nitrophenyl]amino]-2-[[4-[[4-(aminosulfonyl)-2-nitrophenyl]amino] phenyl]amBenzenesulfonic acid;Acid brown 248;Benzenesulfonic acid, 5-[[4-(aminosulfonyl)-2-nitrophenyl] amino]-2-[[4-[[4-(aminosulfonyl)-2-nitrophenyl ]amino]phenyl]amino]-;C.I. Acid Brown 248;Nylosan Yellow Brown E-RL
• CAS NO: 12239-00-8
• Molecular Formula: C24H21N7O11S3
• Molecular Weight: 679.65884
• EINECS: 235-472-9
• Product Categories: Organics
• Mol File: 12239-00-8.mol
• Article Data: 0

Chemical Properties

• Appearance: /
• Density: 1.734g/cm³
• Refractive Index: 1.746
• CAS DataBase Reference: 5-[[4-(aminosulphonyl)-2-nitrophenyl]amino]-2-[[4-[[4-(aminosulphonyl)-2-nitrophenyl]amino]phenyl]amino]benzenesulphonic acid(CAS DataBase Reference)
• NIST Chemistry Reference: 5-[[4-(aminosulphonyl)-2-nitrophenyl]amino]-2-[[4-[[4-(aminosulphonyl)-2-nitrophenyl]amino]phenyl]amino]benzenesulphonic acid(12239-00-8)
• EPA Substance Registry System: 5-[[4-(aminosulphonyl)-2-nitrophenyl]amino]-2-[[4-[[4-(aminosulphonyl)-2-nitrophenyl]amino]phenyl]amino]benzenesulphonic acid(12239-00-8)

Safety Data

• Hazardous Substances Data: 12239-00-8(Hazardous Substances Data)

Usage

Description

5-[[4-(aminosulphonyl)-2-nitrophenyl]amino]-2-[[4-[[4-(aminosulphonyl)-2-nitrophenyl]amino]phenyl]amino]benzenesulphonic acid is a complex organic compound with a unique chemical structure. It is a brown powder that is soluble in water and exhibits strong dyeing properties. 5-[[4-(aminosulphonyl)-2-nitrophenyl]amino]-2-[[4-[[4-(aminosulphonyl)-2-nitrophenyl]amino]phenyl]amino]benzenesulphonic acid is characterized by its levelness, good discharge properties, and its ability to produce a green light yellow color when used with strong sulfuric acid. The color becomes shallow after the addition of sodium hydroxide.

Uses

Used in Textile Industry:
5-[[4-(aminosulphonyl)-2-nitrophenyl]amino]-2-[[4-[[4-(aminosulphonyl)-2-nitrophenyl]amino]phenyl]amino]benzenesulphonic acid is used as a dye for wool, silk, and wool products. It is known for its good light fastness, soaping, perspiration fastness, oxygen bleaching, and fastness to seawater, making it a suitable choice for染色 (shǎirǎnyìng) or dyeing these types of fabrics. However, it is generally not used for printing.
Standard:
The compound adheres to the following standards for various properties:
Light Fastness: ISO 6
Soaping: 1-2
Perspiration Fastness: 3-4
Oxygen bleaching: 4
Fastness to seawater: 2-3
Fading: 3
Stain: 4
Fading: 4-5
These standards indicate the compound's performance and durability under various conditions, making it a reliable choice for dyeing in the textile industry.

Preparation

5-Amino-2-(4-aminophenylamino)benzenesulfonic acid and 4-Chloro-3-nitrobenzenesulfonamide?(2 Moore) condensation.

Standard

Light Fastness

Fading

Stain

ISO

6

InChI:InChI=1/C24H21N7O11S3/c25-43(36,37)17-6-9-19(22(12-17)30(32)33)27-14-1-3-15(4-2-14)28-21-8-5-16(11-24(21)45(40,41)42)29-20-10-7-18(44(26,38)39)13-23(20)31(34)35/h1-13,27-29H,(H2,25,36,37)(H2,26,38,39)(H,40,41,42)