4,4'-[(2-Methyl-5-sodiosulfo-1,3-phenylene)bis[azo(4,6-diamino-3,1-phenylene)azo]]bis[naphthalene-1-sulfonic acid sodium] salt is a complex organic compound that exhibits unique color properties and solubility characteristics. It is characterized by its brown color and its ability to dissolve in water to produce an orange-brown solution and in ethanol to yield a yellow light brown solution. 4,4'-[(2-Methyl-5-sodiosulfo-1,3-phenylene)bis[azo(4,6-diamino-3,1-phenylene)azo]]bis[naphthalene-1-sulfonic acid sodium] salt also shows distinct color changes when exposed to strong acids and bases, turning sauce red + blue in the presence of strong sulfuric acid and orange brown upon dilution. Additionally, it exhibits acid and alkali resistance, light fastness, and properties that make it suitable for use in various applications.

6473-05-8

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Basic information
1. Product Name: 4,4'-[(2-Methyl-5-sodiosulfo-1,3-phenylene)bis[azo(4,6-diamino-3,1-phenylene)azo]]bis[naphthalene-1-sulfonic acid sodium] salt
2. Synonyms: 4,4'-[(2-Methyl-5-sodiosulfo-1,3-phenylene)bis[azo(4,6-diamino-3,1-phenylene)azo]]bis[naphthalene-1-sulfonic acid sodium] salt;C.I.35040;C.I.Direct Brown 63
3. CAS NO:6473-05-8
4. Molecular Formula: C39H29N12Na3O9S3
5. Molecular Weight: 974.88687
6. EINECS: N/A
7. Product Categories: N/A
8. Mol File: 6473-05-8.mol
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: /
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: 4,4'-[(2-Methyl-5-sodiosulfo-1,3-phenylene)bis[azo(4,6-diamino-3,1-phenylene)azo]]bis[naphthalene-1-sulfonic acid sodium] salt(CAS DataBase Reference)
10. NIST Chemistry Reference: 4,4'-[(2-Methyl-5-sodiosulfo-1,3-phenylene)bis[azo(4,6-diamino-3,1-phenylene)azo]]bis[naphthalene-1-sulfonic acid sodium] salt(6473-05-8)
11. EPA Substance Registry System: 4,4'-[(2-Methyl-5-sodiosulfo-1,3-phenylene)bis[azo(4,6-diamino-3,1-phenylene)azo]]bis[naphthalene-1-sulfonic acid sodium] salt(6473-05-8)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany:
5. RTECS:
6. HazardClass: N/A
7. PackingGroup: N/A
8. Hazardous Substances Data: 6473-05-8(Hazardous Substances Data)

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6473-05-8 Usage

Uses

Used in Dye Industry:
4,4'-[(2-Methyl-5-sodiosulfo-1,3-phenylene)bis[azo(4,6-diamino-3,1-phenylene)azo]]bis[naphthalene-1-sulfonic acid sodium] salt is used as a dye for its unique color properties and solubility characteristics. Its ability to produce different shades of brown in various solvents makes it a valuable component in the formulation of dyes for textiles, plastics, and other materials.
Used in Textile Industry:
In the textile industry, 4,4'-[(2-Methyl-5-sodiosulfo-1,3-phenylene)bis[azo(4,6-diamino-3,1-phenylene)azo]]bis[naphthalene-1-sulfonic acid sodium] salt is used as a dyeing agent for imparting color to fabrics. Its acid and alkali resistance, as well as light fastness, make it suitable for use in various dyeing processes, ensuring color durability and resistance to fading.
Used in Plastics Industry:
4,4'-[(2-Methyl-5-sodiosulfo-1,3-phenylene)bis[azo(4,6-diamino-3,1-phenylene)azo]]bis[naphthalene-1-sulfonic acid sodium] salt is used as a colorant in the plastics industry to provide a range of brown shades to plastic products. Its solubility in water and ethanol allows for easy incorporation into plastic formulations, while its acid and alkali resistance ensures color stability during processing and use.
Used in Cosmetics Industry:
In the cosmetics industry, 4,4'-[(2-Methyl-5-sodiosulfo-1,3-phenylene)bis[azo(4,6-diamino-3,1-phenylene)azo]]bis[naphthalene-1-sulfonic acid sodium] salt is used as a color additive in various cosmetic products, such as hair dyes, makeup, and nail polishes. Its unique color properties and solubility characteristics make it an attractive option for creating a variety of shades and ensuring color stability in cosmetic formulations.

Preparation

3,5-Diamino-4-methylbenzenesulfonic acid double nitriding, and 4-Hydroxynaphthalene-1-sulfonic acid diazo, and Benzene-1,3-diamine coupled to a product (2 Moore) coupled.

Standard

Acid Resistance

Fading

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Check Digit Verification of cas no

The CAS Registry Mumber 6473-05-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,4,7 and 3 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 6473-05:
(6*6)+(5*4)+(4*7)+(3*3)+(2*0)+(1*5)=98
98 % 10 = 8
So 6473-05-8 is a valid CAS Registry Number.

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