6-Hydroxy-5-[[4-[[4-[(2-methylphenyl)amino]-3-sulfophenyl]azo]-1-naphtyl]azo]-2-naphthalenesulfonic acid disodium salt is an organic compound characterized by its navy blue color that changes to dark when exposed to light. It is soluble in water, displaying a red light purple hue, but is not soluble in ethanol and acetone. When treated with strong sulfuric acid, it turns black purple, and upon dilution, it becomes dark blue with the appearance of black precipitation. In an aqueous solution, the addition of 10% sodium hydroxide solution results in a dark purple color.
6262-08-4
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Basic information
- Product Name: 6-Hydroxy-5-[[4-[[4-[(2-methylphenyl)amino]-3-sulfophenyl]azo]-1-naphtyl]azo]-2-naphthalenesulfonic acid disodium salt
- Synonyms: 6-Hydroxy-5-[[4-[[4-[(2-methylphenyl)amino]-3-sulfophenyl]azo]-1-naphtyl]azo]-2-naphthalenesulfonic acid disodium salt;C.I.27075;C.I.Acid Black 26:1
- CAS NO:6262-08-4
- Molecular Formula:
- Molecular Weight: 0
- EINECS: N/A
- Product Categories: N/A
- Mol File: 6262-08-4.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: 6-Hydroxy-5-[[4-[[4-[(2-methylphenyl)amino]-3-sulfophenyl]azo]-1-naphtyl]azo]-2-naphthalenesulfonic acid disodium salt(CAS DataBase Reference)
- NIST Chemistry Reference: 6-Hydroxy-5-[[4-[[4-[(2-methylphenyl)amino]-3-sulfophenyl]azo]-1-naphtyl]azo]-2-naphthalenesulfonic acid disodium salt(6262-08-4)
- EPA Substance Registry System: 6-Hydroxy-5-[[4-[[4-[(2-methylphenyl)amino]-3-sulfophenyl]azo]-1-naphtyl]azo]-2-naphthalenesulfonic acid disodium salt(6262-08-4)
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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: 6262-08-4(Hazardous Substances Data)
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6262-08-4 Usage
Uses
Used in Dye Industry:6-Hydroxy-5-[[4-[[4-[(2-methylphenyl)amino]-3-sulfophenyl]azo]-1-naphtyl]azo]-2-naphthalenesulfonic acid disodium salt is used as a dye for its color-changing properties, particularly in the navy blue to dark color range. Its solubility in water and reaction with sodium hydroxide make it suitable for various dyeing applications.
Used in Analytical Chemistry:
6-Hydroxy-5-[[4-[[4-[(2-methylphenyl)amino]-3-sulfophenyl]azo]-1-naphtyl]azo]-2-naphthalenesulfonic acid disodium salt can be used as an analytical reagent due to its color-changing behavior in the presence of different chemicals, such as sulfuric acid and sodium hydroxide. This property can be utilized for detecting and measuring the concentration of specific substances in various samples.
Used in Research and Development:
6-Hydroxy-5-[[4-[[4-[(2-methylphenyl)amino]-3-sulfophenyl]azo]-1-naphtyl]azo]-2-naphthalenesulfonic acid disodium salt can be employed in research and development for studying the effects of light exposure on color changes and the interaction of various chemicals with the compound. This can lead to the development of new dyes, analytical methods, or other applications based on its unique properties.
Preparation
2-(2-Methylanilino)-5-aminobenzenesulfonic acid?diazo, and Naphthalen-1-amine, its products coupled diazo again, and 6-Hydroxynaphthalene-2-sulfonic acid couplingCheck Digit Verification of cas no
The CAS Registry Mumber 6262-08-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,2,6 and 2 respectively; the second part has 2 digits, 0 and 8 respectively.Calculate Digit Verification of CAS Registry Number 6262-08:
(6*6)+(5*2)+(4*6)+(3*2)+(2*0)+(1*8)=84
84 % 10 = 4
So 6262-08-4 is a valid CAS Registry Number.
6262-08-4Upstream product
6262-08-4Downstream Products
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6-Hydroxy-5-[[4-[[4-[(2-methylphenyl)amino]-3-sulfophenyl]azo]-1-naphtyl]azo]-2-naphthalenesulfonic acid disodium salt
