4-Hydroxy-3-[[2-methyl-4-[(2-methylphenyl)azo]phenyl]azo]naphthalene-2,7-disulfonic acid disodium salt is a complex organic compound with the chemical formula C24H18N4Na2O8S2. It is a disodium salt of a naphthalene-based azo dye, characterized by the presence of two sulfonic acid groups at the 2 and 7 positions, and a hydroxyl group at the 4 position. The molecule features a 2-methylphenyl group and a 2-methyl-4-[(2-methylphenyl)azo]phenyl group attached to the naphthalene core through azo linkages. 4-Hydroxy-3-[[2-methyl-4-[(2-methylphenyl)azo]phenyl]azo]naphthalene-2,7-disulfonic acid disodium salt is known for its potential applications in the dyeing industry, particularly for coloring fabrics and other materials. Due to its complex structure and specific functional groups, it exhibits unique color properties and stability, making it a valuable component in the production of various colored products.

6406-52-6

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Basic information
1. Product Name: 4-Hydroxy-3-[[2-methyl-4-[(2-methylphenyl)azo]phenyl]azo]naphthalene-2,7-disulfonic acid disodium salt
2. Synonyms: 4-Hydroxy-3-[[2-methyl-4-[(2-methylphenyl)azo]phenyl]azo]naphthalene-2,7-disulfonic acid disodium salt;Azo Cerise M;C.I.26765
3. CAS NO:6406-52-6
4. Molecular Formula: C24H20N4O7S2.2Na
5. Molecular Weight: 0
6. EINECS: N/A
7. Product Categories: N/A
8. Mol File: 6406-52-6.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-[[2-methyl-4-[(2-methylphenyl)azo]phenyl]azo]naphthalene-2,7-disulfonic acid disodium salt(CAS DataBase Reference)
10. NIST Chemistry Reference: 4-Hydroxy-3-[[2-methyl-4-[(2-methylphenyl)azo]phenyl]azo]naphthalene-2,7-disulfonic acid disodium salt(6406-52-6)
11. EPA Substance Registry System: 4-Hydroxy-3-[[2-methyl-4-[(2-methylphenyl)azo]phenyl]azo]naphthalene-2,7-disulfonic acid disodium salt(6406-52-6)
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: 6406-52-6(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 6406-52-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,4,0 and 6 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 6406-52:
(6*6)+(5*4)+(4*0)+(3*6)+(2*5)+(1*2)=86
86 % 10 = 6
So 6406-52-6 is a valid CAS Registry Number.

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