5-[[4-[(4-Amino-6-sodiosulfo-1-naphthalenyl)azo]-5-methyl-2-methoxyphenyl]azo]-6-hydroxynaphthalene-2-sulfonic acid sodium salt is a complex organic compound that exhibits unique color-changing properties in response to different chemical environments. It is characterized by its ability to produce a range of colors, including dark blue, green, light blue, purple, and orange, depending on the pH and the presence of specific chemicals.

6262-04-0

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Basic information
1. Product Name: 5-[[4-[(4-Amino-6-sodiosulfo-1-naphthalenyl)azo]-5-methyl-2-methoxyphenyl]azo]-6-hydroxynaphthalene-2-sulfonic acid sodium salt
2. Synonyms: 5-[[4-[(4-Amino-6-sodiosulfo-1-naphthalenyl)azo]-5-methyl-2-methoxyphenyl]azo]-6-hydroxynaphthalene-2-sulfonic acid sodium salt;C.I.27050;C.I.Direct Blue 124;Diazamine Pure Blue 6B
3. CAS NO:6262-04-0
4. Molecular Formula:
5. Molecular Weight: 0
6. EINECS: N/A
7. Product Categories: N/A
8. Mol File: 6262-04-0.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: 5-[[4-[(4-Amino-6-sodiosulfo-1-naphthalenyl)azo]-5-methyl-2-methoxyphenyl]azo]-6-hydroxynaphthalene-2-sulfonic acid sodium salt(CAS DataBase Reference)
10. NIST Chemistry Reference: 5-[[4-[(4-Amino-6-sodiosulfo-1-naphthalenyl)azo]-5-methyl-2-methoxyphenyl]azo]-6-hydroxynaphthalene-2-sulfonic acid sodium salt(6262-04-0)
11. EPA Substance Registry System: 5-[[4-[(4-Amino-6-sodiosulfo-1-naphthalenyl)azo]-5-methyl-2-methoxyphenyl]azo]-6-hydroxynaphthalene-2-sulfonic acid sodium salt(6262-04-0)
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: 6262-04-0(Hazardous Substances Data)

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6262-04-0 Usage

Uses

Used in Dye Industry:
5-[[4-[(4-Amino-6-sodiosulfo-1-naphthalenyl)azo]-5-methyl-2-methoxyphenyl]azo]-6-hydroxynaphthalene-2-sulfonic acid sodium salt is used as a pH indicator dye for various applications in the dye industry. Its color-changing properties allow it to be used in the production of dyes and pigments that respond to changes in pH, making it useful for creating color-shifting materials and products.
Used in Analytical Chemistry:
In analytical chemistry, 5-[[4-[(4-Amino-6-sodiosulfo-1-naphthalenyl)azo]-5-methyl-2-methoxyphenyl]azo]-6-hydroxynaphthalene-2-sulfonic acid sodium salt can be used as a reagent for detecting and measuring the presence of specific ions or compounds. Its color-changing properties can be utilized to create visual indicators or to develop colorimetric assays for various analytical applications.
Used in Textile Industry:
5-[[4-[(4-Amino-6-sodiosulfo-1-naphthalenyl)azo]-5-methyl-2-methoxyphenyl]azo]-6-hydroxynaphthalene-2-sulfonic acid sodium salt is used as a dye for coloring fabrics in the textile industry. Its ability to produce a range of colors and its solubility in water make it suitable for use in dyeing processes.
Standard:
The standard properties of 5-[[4-[(4-Amino-6-sodiosulfo-1-naphthalenyl)azo]-5-methyl-2-methoxyphenyl]azo]-6-hydroxynaphthalene-2-sulfonic acid sodium salt include its acid resistance, alkali resistance, light fastness, soaping, water fading, and stain fading. These properties are rated on a scale of 1 to 5, with 5 being the highest rating. 5-[[4-[(4-Amino-6-sodiosulfo-1-naphthalenyl)azo]-5-methyl-2-methoxyphenyl]azo]-6-hydroxynaphthalene-2-sulfonic acid sodium salt has a rating of 4 for acid resistance and alkali resistance, 2-3 for light fastness, and 3-4 for soaping, water fading, and stain fading according to the ISO standard.

Preparation

5-Amino-8-nitronaphthalene-2-sulfonic acid diazo, and 2-Amino-4-methylanisole coupling, again diazotization and 6-Hydroxynaphthalene-2-sulfonic acid coupling, and then will the nitro reduction.

Standard

Acid Resistance

Fading

Stain

ISO

Check Digit Verification of cas no

The CAS Registry Mumber 6262-04-0 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 4 respectively.
Calculate Digit Verification of CAS Registry Number 6262-04:
(6*6)+(5*2)+(4*6)+(3*2)+(2*0)+(1*4)=80
80 % 10 = 0
So 6262-04-0 is a valid CAS Registry Number.

InChI:InChI=1/C28H23N5O8S2.2Na/c1-15-11-25(32-33-28-19-6-4-17(42(35,36)37)12-16(19)3-10-26(28)34)27(41-2)14-24(15)31-30-23-9-8-22(29)21-13-18(43(38,39)40)5-7-20(21)23;;/h3-14,34H,29H2,1-2H3,(H,35,36,37)(H,38,39,40);;/q;2*+1/p-2

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