4-[[4-[(2,4-Dinitrophenyl)amino]phenyl]azo]benzenesulfonic acid sodium salt is a synthetic azo dye characterized by its vibrant color-changing properties in response to different chemical environments. It exhibits red light yellow color, and its solubility in water results in an orange hue. When exposed to strong sulfuric acid, the color shifts to blue-ray red, which then transitions to red upon dilution, leading to an orange solution and the formation of a precipitate. The addition of hydrochloric acid to its water solution results in orange-brown precipitation, while the introduction of sodium hydroxide darkens the brown color.
3410-50-2
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Basic information
- Product Name: 4-[[4-[(2,4-Dinitrophenyl)amino]phenyl]azo]benzenesulfonic acid sodium salt
- Synonyms: 4-[[4-[(2,4-Dinitrophenyl)amino]phenyl]azo]benzenesulfonic acid sodium salt;C.I.13100;C.I.Acid Yellow 6
- CAS NO:3410-50-2
- Molecular Formula:
- Molecular Weight: 0
- EINECS: N/A
- Product Categories: N/A
- Mol File: 3410-50-2.mol
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Chemical Properties
- Melting Point: N/A
- Boiling Point: N/A
- Flash Point: N/A
- Appearance: /
- Density: N/A
- Refractive Index: N/A
- Storage Temp.: N/A
- Solubility: N/A
- CAS DataBase Reference: 4-[[4-[(2,4-Dinitrophenyl)amino]phenyl]azo]benzenesulfonic acid sodium salt(CAS DataBase Reference)
- NIST Chemistry Reference: 4-[[4-[(2,4-Dinitrophenyl)amino]phenyl]azo]benzenesulfonic acid sodium salt(3410-50-2)
- EPA Substance Registry System: 4-[[4-[(2,4-Dinitrophenyl)amino]phenyl]azo]benzenesulfonic acid sodium salt(3410-50-2)
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Safety Data
- Hazard Codes: N/A
- Statements: N/A
- Safety Statements: N/A
- WGK Germany:
- RTECS:
- HazardClass: N/A
- PackingGroup: N/A
- Hazardous Substances Data: 3410-50-2(Hazardous Substances Data)
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3410-50-2 Usage
Uses
Used in Textile Industry:4-[[4-[(2,4-Dinitrophenyl)amino]phenyl]azo]benzenesulfonic acid sodium salt is used as a dye for wool and silk in the textile industry due to its ability to produce vibrant and long-lasting colors. Its light fastness, soaping, perspiration fastness, and resistance to oxygen bleaching and seawater make it a suitable choice for various applications within the industry.
ISO Standards:
The dye meets the following ISO standards for various properties:
Light Fastness: ISO 3
Soaping: ISO 2
Perspiration Fastness: ISO 2
Oxygen bleaching: ISO 1
Fastness to seawater: ISO 2
These standards ensure the dye's performance and reliability in various conditions, making it a valuable asset for the textile industry.
Preparation
(a) 4-((4-Aminophenyl)diazenyl)benzenesulfonic acid?and 1-Chloro-2,4-dinitrobenzene?condensation;Standard
Light FastnessFading
StainISO
3Check Digit Verification of cas no
The CAS Registry Mumber 3410-50-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,4,1 and 0 respectively; the second part has 2 digits, 5 and 0 respectively.Calculate Digit Verification of CAS Registry Number 3410-50:
(6*3)+(5*4)+(4*1)+(3*0)+(2*5)+(1*0)=52
52 % 10 = 2
So 3410-50-2 is a valid CAS Registry Number.
InChI:InChI=1/C18H13N5O7S.Na/c24-22(25)15-7-10-17(18(11-15)23(26)27)19-12-1-3-13(4-2-12)20-21-14-5-8-16(9-6-14)31(28,29)30;/h1-11,19H,(H,28,29,30);/q;+1/p-1
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4-[[4-[(2,4-Dinitrophenyl)amino]phenyl]azo]benzenesulfonic acid sodium salt
