Disodium 5-[[4-[[[4-[[6-[(4-aminobenzoyl)amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo]phenyl]amino]carbonyl]phenyl]azo]salicylate is a complex organic compound with a unique chemical structure. It is characterized by its vibrant red color, which is soluble in water and ethanol, and exhibits various color changes when exposed to different chemical conditions, such as strong sulfuric acid, hydrochloric acid, and sodium hydroxide. disodium 5-[[4-[[[4-[[6-[(4-aminobenzoyl)amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo]phenyl]amino]carbonyl]phenyl]azo]salicylate is known for its acid and alkali resistance, as well as its light fastness, making it a suitable candidate for various applications in the textile and dye industries.

6661-26-3

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Basic information
1. Product Name: disodium 5-[[4-[[[4-[[6-[(4-aminobenzoyl)amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo]phenyl]amino]carbonyl]phenyl]azo]salicylate
2. Synonyms: disodium 5-[[4-[[[4-[[6-[(4-aminobenzoyl)amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo]phenyl]amino]carbonyl]phenyl]azo]salicylate;fullname:details;Dinrium-5-[[4-[[[4-[[6-[(4-aminobenzoyl)amino]-1-hydroxy-3-sulfono-2-naftyl]diazenyl]fenyl]amino...;5-[[4-[[4-[[6-[(4-Aminobenzoyl)amino]-1-hydroxy-3-sodiosulfo-2-naphthalenyl]azo]phenyl]aminocarbonyl]phenyl]azo]-2-hydroxybenzoic acid sodium salt;Benzamin Brilliant Scarlet 5BS;C.I.25210;C.I.Direct Red 155
3. CAS NO:6661-26-3
4. Molecular Formula: C37H25N7Na2O9S
5. Molecular Weight: 789.68044
6. EINECS: 229-700-6
7. Product Categories: N/A
8. Mol File: 6661-26-3.mol
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: °Cat760mmHg
3. Flash Point: °C
4. Appearance: /
5. Density: g/cm³
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: disodium 5-[[4-[[[4-[[6-[(4-aminobenzoyl)amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo]phenyl]amino]carbonyl]phenyl]azo]salicylate(CAS DataBase Reference)
10. NIST Chemistry Reference: disodium 5-[[4-[[[4-[[6-[(4-aminobenzoyl)amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo]phenyl]amino]carbonyl]phenyl]azo]salicylate(6661-26-3)
11. EPA Substance Registry System: disodium 5-[[4-[[[4-[[6-[(4-aminobenzoyl)amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo]phenyl]amino]carbonyl]phenyl]azo]salicylate(6661-26-3)
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: 6661-26-3(Hazardous Substances Data)

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6661-26-3 Usage

Uses

Used in Textile Industry:
Disodium 5-[[4-[[[4-[[6-[(4-aminobenzoyl)amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo]phenyl]amino]carbonyl]phenyl]azo]salicylate is used as a dye for coloring textiles. Its vibrant red color and solubility in water make it an ideal choice for dyeing fabrics, providing a long-lasting and resistant color that is not easily faded by washing or exposure to light.
Used in Dye Industry:
In the dye industry, disodium 5-[[4-[[[4-[[6-[(4-aminobenzoyl)amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo]phenyl]amino]carbonyl]phenyl]azo]salicylate is used as a colorant for various applications, such as inks, paints, and coatings. Its resistance to acids, alkalis, and light makes it a reliable choice for creating stable and long-lasting colors in different products.
Used in Analytical Chemistry:
Due to its unique chemical properties and color changes in response to different chemical conditions, disodium 5-[[4-[[[4-[[6-[(4-aminobenzoyl)amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo]phenyl]amino]carbonyl]phenyl]azo]salicylate can be used as an indicator or reagent in analytical chemistry for detecting the presence of specific ions or compounds.
Used in Research and Development:
The complex structure and properties of disodium 5-[[4-[[[4-[[6-[(4-aminobenzoyl)amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo]phenyl]amino]carbonyl]phenyl]azo]salicylate make it an interesting subject for research and development in the fields of chemistry, materials science, and related disciplines. It can be studied for potential applications in various industries, such as pharmaceuticals, electronics, and environmental science.

Preparation

4-Amino-N-(4-aminophenyl)benzamide double nitriding, first?coupling with2-Hydroxybenzoic acid, and ??7-(4-Aminobenzamido)-4-hydroxynaphthalene-2-sulfonic acid coupling.

Standard

Acid Resistance

Fading

Stain

ISO

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Check Digit Verification of cas no

The CAS Registry Mumber 6661-26-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,6,6 and 1 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 6661-26:
(6*6)+(5*6)+(4*6)+(3*1)+(2*2)+(1*6)=103
103 % 10 = 3
So 6661-26-3 is a valid CAS Registry Number.

InChI:InChI=1/C37H27N7O9S.2Na/c38-23-5-1-20(2-6-23)36(48)40-27-13-15-29-22(17-27)18-32(54(51,52)53)33(34(29)46)44-42-26-11-9-24(10-12-26)39-35(47)21-3-7-25(8-4-21)41-43-28-14-16-31(45)30(19-28)37(49)50;;/h1-19,41-42H,38H2,(H,39,47)(H,40,48)(H,49,50)(H,51,52,53);;/q;2*+1/p-2/b43-28+,44-33-;;

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