7-Hydroxy-8-[[2-sodiosulfo-4-[(4-sodiosulfophenyl)azo]phenyl]azo]naphthalene-1-sulfonic acid sodium salt is a complex organic compound with the chemical formula C20H11N2Na3O8S2. It is a type of azo dye, characterized by the presence of azo groups (-N=N-) and sulfonic acid groups. 7-Hydroxy-8-[[2-sodiosulfo-4-[(4-sodiosulfophenyl)azo]phenyl]azo]naphthalene-1-sulfonic acid sodium salt is a sodium salt, indicating that it contains replaceable sodium ions. It is derived from naphthalene, a polycyclic aromatic hydrocarbon, and features a hydroxyl group at the 7-position and a sulfonic acid group at the 1-position. The molecule also contains a 2-sodiosulfophenyl group and a 4-sodiosulfophenyl group, which contribute to its overall structure and properties. This chemical is primarily used as a dye in various applications due to its ability to impart color to materials.

6226-75-1

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Basic information
1. Product Name: 7-Hydroxy-8-[[2-sodiosulfo-4-[(4-sodiosulfophenyl)azo]phenyl]azo]naphthalene-1-sulfonic acid sodium salt
2. Synonyms: 7-Hydroxy-8-[[2-sodiosulfo-4-[(4-sodiosulfophenyl)azo]phenyl]azo]naphthalene-1-sulfonic acid sodium salt;C.I.27160;Croceine Scarlet O Extra
3. CAS NO:6226-75-1
4. Molecular Formula:
5. Molecular Weight: 0
6. EINECS: N/A
7. Product Categories: N/A
8. Mol File: 6226-75-1.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: 7-Hydroxy-8-[[2-sodiosulfo-4-[(4-sodiosulfophenyl)azo]phenyl]azo]naphthalene-1-sulfonic acid sodium salt(CAS DataBase Reference)
10. NIST Chemistry Reference: 7-Hydroxy-8-[[2-sodiosulfo-4-[(4-sodiosulfophenyl)azo]phenyl]azo]naphthalene-1-sulfonic acid sodium salt(6226-75-1)
11. EPA Substance Registry System: 7-Hydroxy-8-[[2-sodiosulfo-4-[(4-sodiosulfophenyl)azo]phenyl]azo]naphthalene-1-sulfonic acid sodium salt(6226-75-1)
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: 6226-75-1(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 6226-75-1 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, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 6226-75:
(6*6)+(5*2)+(4*2)+(3*6)+(2*7)+(1*5)=91
91 % 10 = 1
So 6226-75-1 is a valid CAS Registry Number.

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