"4'-[[2,4-Bis(phenylamino)phenyl]azo][1,1'-azobisnaphthalene]-3,6-disulfonic acid disodium salt" is a complex organic compound with the chemical formula C40H26N6Na2O8S2. It is a disodium salt of a disulfonic acid, which means it contains two sodium ions (Na+) and two sulfonic acid groups (-SO3H). The compound is characterized by its azo linkage, which is a nitrogen-nitrogen double bond (-N=N-), and its structure includes two phenylamino groups attached to a phenyl ring, as well as a 1,1'-azobinaphthalene moiety. 4'-[[2,4-Bis(phenylamino)phenyl]azo][1,1'-azobisnaphthalene]-3,6-disulfonic acid disodium salt is likely used in the field of dye chemistry, particularly for the synthesis of azo dyes, which are known for their wide range of colors and applications in various industries, including textiles, plastics, and printing inks. The specific properties and applications of this particular compound would depend on its chemical structure and the industry standards for such materials.

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Basic information
1. Product Name: 4'-[[2,4-Bis(phenylamino)phenyl]azo][1,1'-azobisnaphthalene]-3,6-disulfonic acid disodium salt
2. Synonyms: 4'-[[2,4-Bis(phenylamino)phenyl]azo][1,1'-azobisnaphthalene]-3,6-disulfonic acid disodium salt;Anthracite Black B;C.I.26270
3. CAS NO:6505-94-8
4. Molecular Formula:
5. Molecular Weight: 0
6. EINECS: N/A
7. Product Categories: N/A
8. Mol File: 6505-94-8.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'-[[2,4-Bis(phenylamino)phenyl]azo][1,1'-azobisnaphthalene]-3,6-disulfonic acid disodium salt(CAS DataBase Reference)
10. NIST Chemistry Reference: 4'-[[2,4-Bis(phenylamino)phenyl]azo][1,1'-azobisnaphthalene]-3,6-disulfonic acid disodium salt(6505-94-8)
11. EPA Substance Registry System: 4'-[[2,4-Bis(phenylamino)phenyl]azo][1,1'-azobisnaphthalene]-3,6-disulfonic acid disodium salt(6505-94-8)
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: 6505-94-8(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 6505-94-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,5,0 and 5 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 6505-94:
(6*6)+(5*5)+(4*0)+(3*5)+(2*9)+(1*4)=98
98 % 10 = 8
So 6505-94-8 is a valid CAS Registry Number.

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