3-Hydroxy-4-[[4-[(4-sodiosulfophenyl)azo]-1-naphthalenyl]azo]naphthalene-2,7-disulfonic acid disodium salt is a complex organic compound with the chemical formula C26H16N4Na2O8S2. It is a disodium salt of a disulfonic acid, which means it contains two sulfate groups and two sodium ions. 3-Hydroxy-4-[[4-[(4-sodiosulfophenyl)azo]-1-naphthalenyl]azo]naphthalene-2,7-disulfonic acid disodium salt is characterized by its azo groups, which are nitrogen-nitrogen double bonds derived from diazotization reactions. The presence of these azo groups and the naphthalene rings give the compound its unique color and properties. It is often used as a dye or pigment in various applications due to its ability to absorb and reflect light in specific wavelengths. The compound's structure and properties make it suitable for use in industries such as textiles, plastics, and printing inks, where colorfastness and stability are important.

6226-83-1

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Basic information
1. Product Name: 3-Hydroxy-4-[[4-[(4-sodiosulfophenyl)azo]-1-naphthalenyl]azo]naphthalene-2,7-disulfonic acid disodium salt
2. Synonyms: 3-Hydroxy-4-[[4-[(4-sodiosulfophenyl)azo]-1-naphthalenyl]azo]naphthalene-2,7-disulfonic acid disodium salt;C.I.27225;Patent Black II
3. CAS NO:6226-83-1
4. Molecular Formula: C26H18N4O10S3.3Na
5. Molecular Weight: 0
6. EINECS: N/A
7. Product Categories: N/A
8. Mol File: 6226-83-1.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-Hydroxy-4-[[4-[(4-sodiosulfophenyl)azo]-1-naphthalenyl]azo]naphthalene-2,7-disulfonic acid disodium salt(CAS DataBase Reference)
10. NIST Chemistry Reference: 3-Hydroxy-4-[[4-[(4-sodiosulfophenyl)azo]-1-naphthalenyl]azo]naphthalene-2,7-disulfonic acid disodium salt(6226-83-1)
11. EPA Substance Registry System: 3-Hydroxy-4-[[4-[(4-sodiosulfophenyl)azo]-1-naphthalenyl]azo]naphthalene-2,7-disulfonic acid disodium salt(6226-83-1)
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: 6226-83-1(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 6226-83-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,2,2 and 6 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 6226-83:
(6*6)+(5*2)+(4*2)+(3*6)+(2*8)+(1*3)=91
91 % 10 = 1
So 6226-83-1 is a valid CAS Registry Number.

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