4-Hydroxy-3-[[4'-[[4-[[(4-methylphenyl)sulfonyl]oxy]phenyl]azo]-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid disodium salt is a complex organic compound with a unique chemical structure. It is characterized by its brilliant red color and has been assigned a standard light fastness rating of 4-5, indicating its ability to maintain its color when exposed to light. Additionally, it has a soaping fastness rating of 4, perspiration fastness rating of 3-4, oxygen bleaching fastness rating of 4, and a fastness to seawater rating of 3, which suggests its stability in various environmental conditions.

6358-34-5

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Basic information
1. Product Name: 4-Hydroxy-3-[[4'-[[4-[[(4-methylphenyl)sulfonyl]oxy]phenyl]azo]-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid disodium salt
2. Synonyms: 4-Hydroxy-3-[[4'-[[4-[[(4-methylphenyl)sulfonyl]oxy]phenyl]azo]-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid disodium salt;C.I.22238;C.I.Acid Red 323;2,7-Naphthalenedisulfonic acid, 4-hydroxy-3-((4'-((4-(((4-methylphenyl)sulfonyl)oxy)phenyl)azo)(1,1'-biphenyl)-4-yl)azo)-, disodium salt
3. CAS NO:6358-34-5
4. Molecular Formula: C35H26N4O10S3.2Na
5. Molecular Weight: 804.79
6. EINECS: N/A
7. Product Categories: N/A
8. Mol File: 6358-34-5.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-Hydroxy-3-[[4'-[[4-[[(4-methylphenyl)sulfonyl]oxy]phenyl]azo]-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid disodium salt(CAS DataBase Reference)
10. NIST Chemistry Reference: 4-Hydroxy-3-[[4'-[[4-[[(4-methylphenyl)sulfonyl]oxy]phenyl]azo]-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid disodium salt(6358-34-5)
11. EPA Substance Registry System: 4-Hydroxy-3-[[4'-[[4-[[(4-methylphenyl)sulfonyl]oxy]phenyl]azo]-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid disodium salt(6358-34-5)
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: 6358-34-5(Hazardous Substances Data)

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6358-34-5 Usage

Uses

Used in Dye Industry:
4-Hydroxy-3-[[4'-[[4-[[(4-methylphenyl)sulfonyl]oxy]phenyl]azo]-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid disodium salt is used as a dye for its brilliant red color. Its high light fastness rating makes it suitable for use in applications where color stability is crucial.
Used in Textile Industry:
In the textile industry, 4-Hydroxy-3-[[4'-[[4-[[(4-methylphenyl)sulfonyl]oxy]phenyl]azo]-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid disodium salt is used as a colorant for fabrics. Its good fastness properties, such as soaping and perspiration fastness, make it an ideal choice for textiles that require durability and resistance to fading.
Used in Plastics and Polymers Industry:
4-Hydroxy-3-[[4'-[[4-[[(4-methylphenyl)sulfonyl]oxy]phenyl]azo]-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid disodium salt can also be used as an additive in the plastics and polymers industry to impart color and enhance the appearance of various products. Its stability in different environmental conditions makes it a suitable choice for this application.
Used in Cosmetics Industry:
In the cosmetics industry, 4-Hydroxy-3-[[4'-[[4-[[(4-methylphenyl)sulfonyl]oxy]phenyl]azo]-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid disodium salt may be used as a colorant in various cosmetic products, such as lipsticks and blushes, due to its vibrant red hue and stability.
Used in Art and Crafts Industry:
4-Hydroxy-3-[[4'-[[4-[[(4-methylphenyl)sulfonyl]oxy]phenyl]azo]-1,1'-biphenyl-4-yl]azo]-2,7-naphthalenedisulfonic acid disodium salt can be utilized in the art and crafts industry as a pigment for creating vibrant and long-lasting red colors in paintings, sculptures, and other artistic creations. Its resistance to fading and environmental factors makes it an ideal choice for artists seeking a stable and durable color.

Preparation

4-(4-Aminophenyl)benzenamine double nitriding, respectively with phenol and 4-Hydroxynaphthalene-2,7-disulfonic acid coupling, then use 4-Methylbenzene-1-sulfonyl chloride make phenol hydroxyl esterification.

Standard

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Fading

Stain

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Check Digit Verification of cas no

The CAS Registry Mumber 6358-34-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,3,5 and 8 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 6358-34:
(6*6)+(5*3)+(4*5)+(3*8)+(2*3)+(1*4)=105
105 % 10 = 5
So 6358-34-5 is a valid CAS Registry Number.

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