3-[[4-[(4-Amino-2-chloro-5-methoxyphenyl)azo]-6-sulfo-1-naphtyl]azo]-4-hydroxy-2-naphthalenesulfonic acid disodium salt is a complex organic compound that exhibits unique color properties and chemical behavior. It is characterized by its blue color, which can shift to red to violet-black shades when dissolved in different solvents. 3-[[4-[(4-Amino-2-chloro-5-methoxyphenyl)azo]-6-sulfo-1-naphtyl]azo]-4-hydroxy-2-naphthalenesulfonic acid disodium salt is slightly soluble in water and more soluble in ethanol, displaying a blue hue. Its interaction with various chemicals, such as strong sulfuric acid and sodium hydroxide, results in color changes and precipitation, indicating its potential use in various applications.

6252-59-1

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Basic information
1. Product Name: 3-[[4-[(4-Amino-2-chloro-5-methoxyphenyl)azo]-6-sulfo-1-naphtyl]azo]-4-hydroxy-2-naphthalenesulfonic acid disodium salt
2. Synonyms: 3-[[4-[(4-Amino-2-chloro-5-methoxyphenyl)azo]-6-sulfo-1-naphtyl]azo]-4-hydroxy-2-naphthalenesulfonic acid disodium salt;C.I.26650;C.I.Direct Blue 138
3. CAS NO:6252-59-1
4. Molecular Formula: C27H20 Cl N5 O8 S2 . 2 Na
5. Molecular Weight: 0
6. EINECS: N/A
7. Product Categories: N/A
8. Mol File: 6252-59-1.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: 3-[[4-[(4-Amino-2-chloro-5-methoxyphenyl)azo]-6-sulfo-1-naphtyl]azo]-4-hydroxy-2-naphthalenesulfonic acid disodium salt(CAS DataBase Reference)
10. NIST Chemistry Reference: 3-[[4-[(4-Amino-2-chloro-5-methoxyphenyl)azo]-6-sulfo-1-naphtyl]azo]-4-hydroxy-2-naphthalenesulfonic acid disodium salt(6252-59-1)
11. EPA Substance Registry System: 3-[[4-[(4-Amino-2-chloro-5-methoxyphenyl)azo]-6-sulfo-1-naphtyl]azo]-4-hydroxy-2-naphthalenesulfonic acid disodium salt(6252-59-1)
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: 6252-59-1(Hazardous Substances Data)

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6252-59-1 Usage

Uses

Used in Dye Industry:
3-[[4-[(4-Amino-2-chloro-5-methoxyphenyl)azo]-6-sulfo-1-naphtyl]azo]-4-hydroxy-2-naphthalenesulfonic acid disodium salt is used as a dye for its color-changing properties and solubility in different solvents. Its ability to produce a range of colors, from blue to red to violet-black, makes it suitable for various dyeing applications.
Used in Analytical Chemistry:
3-[[4-[(4-Amino-2-chloro-5-methoxyphenyl)azo]-6-sulfo-1-naphtyl]azo]-4-hydroxy-2-naphthalenesulfonic acid disodium salt can be used as an analytical reagent due to its color-changing behavior when interacting with different chemicals. Its precipitation and color shifts in the presence of strong acids, bases, and other substances can be utilized for qualitative and quantitative analysis in chemical research and testing.
Used in Textile Industry:
3-[[4-[(4-Amino-2-chloro-5-methoxyphenyl)azo]-6-sulfo-1-naphtyl]azo]-4-hydroxy-2-naphthalenesulfonic acid disodium salt is used as a colorant in the textile industry, where its color properties and chemical interactions can be applied to dye fabrics and create various color effects.
Standard:
3-[[4-[(4-Amino-2-chloro-5-methoxyphenyl)azo]-6-sulfo-1-naphtyl]azo]-4-hydroxy-2-naphthalenesulfonic acid disodium salt's properties, such as acid resistance, alkali resistance, light fastness, and soaping, are evaluated according to ISO and AATCC standards. These standards provide a benchmark for the compound's performance in different conditions, ensuring its suitability for various applications.

Preparation

2′-Methoxy-4′-amino-5′-chlorooxanilic acid diazo, and 5-Aminonaphthalene-2-sulfonic acid coupling, product to diazo, and 4-Hydroxynaphthalene-2-sulfonic acid coupling, and then 2-(4-Aminophenylamino)-2-oxoacetic acid hydrolysis base.

Standard

Acid Resistance

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ISO

AATCC

Check Digit Verification of cas no

The CAS Registry Mumber 6252-59-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,2,5 and 2 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 6252-59:
(6*6)+(5*2)+(4*5)+(3*2)+(2*5)+(1*9)=91
91 % 10 = 1
So 6252-59-1 is a valid CAS Registry Number.

InChI:InChI=1/C27H20ClN5O8S2.2Na/c1-41-24-13-23(19(28)12-20(24)29)32-30-22-9-8-21(17-7-6-15(11-18(17)22)42(35,36)37)31-33-26-25(43(38,39)40)10-14-4-2-3-5-16(14)27(26)34;;/h2-13,34H,29H2,1H3,(H,35,36,37)(H,38,39,40);;/q;2*+1/p-2

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