The chemical "3-[[4'-[[2-Amino-4-[(2-hydroxy-1-naphthalenyl)azo]phenyl]azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-1-sulfonic acid sodium salt" is a complex organic compound with a molecular formula of C37H26N6NaO6S. It is a derivative of naphthalene, featuring multiple azo groups and a sulfonic acid group. 3-[[4'-[[2-Amino-4-[(2-hydroxy-1-naphthalenyl)azo]phenyl]azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-1-sulfonic acid sodium salt is known for its color-changing properties and is often used as a pH indicator in various applications, such as in the food industry and in chemical research. Its structure allows it to absorb light in different ways depending on the pH level, which results in a change in color that can be used to measure acidity or alkalinity. The sodium salt form of the compound enhances its solubility in water, making it more suitable for use in aqueous solutions.

7116-77-0

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Basic information
1. Product Name: 3-[[4'-[[2-Amino-4-[(2-hydroxy-1-naphthalenyl)azo]phenyl]azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-1-sulfonic acid sodium salt
2. Synonyms: 3-[[4'-[[2-Amino-4-[(2-hydroxy-1-naphthalenyl)azo]phenyl]azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-1-sulfonic acid sodium salt;C.I.31950;Oxamine Blue BB
3. CAS NO:7116-77-0
4. Molecular Formula:
5. Molecular Weight: 0
6. EINECS: N/A
7. Product Categories: N/A
8. Mol File: 7116-77-0.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'-[[2-Amino-4-[(2-hydroxy-1-naphthalenyl)azo]phenyl]azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-1-sulfonic acid sodium salt(CAS DataBase Reference)
10. NIST Chemistry Reference: 3-[[4'-[[2-Amino-4-[(2-hydroxy-1-naphthalenyl)azo]phenyl]azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-1-sulfonic acid sodium salt(7116-77-0)
11. EPA Substance Registry System: 3-[[4'-[[2-Amino-4-[(2-hydroxy-1-naphthalenyl)azo]phenyl]azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-4-hydroxynaphthalene-1-sulfonic acid sodium salt(7116-77-0)
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: 7116-77-0(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 7116-77-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,1,1 and 6 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 7116-77:
(6*7)+(5*1)+(4*1)+(3*6)+(2*7)+(1*7)=90
90 % 10 = 0
So 7116-77-0 is a valid CAS Registry Number.

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