"7,7'-Iminobis[4-hydroxy-3-[[4-[(2,4-dihydroxyphenyl)azo]phenyl]azo]naphthalene-2-sulfonic acid sodium] salt" is a complex organic compound with the chemical formula C44H28N6O10S2Na2. It is a type of azo dye, characterized by the presence of azo groups (-N=N-) and hydroxyl groups. 7,7'-Iminobis[4-hydroxy-3-[[4-[(2,4-dihydroxyphenyl)azo]phenyl]azo]naphthalene-2-sulfonic acid sodium] salt is a sodium salt, indicating that it has been neutralized with sodium hydroxide to form a water-soluble salt. It is often used as a chromogenic agent in various analytical procedures, such as the determination of trace metals in environmental and biological samples, due to its ability to form colored complexes with these metals. The compound's structure allows for specific interactions with metal ions, which can be quantified through colorimetric methods, making it a valuable tool in chemical analysis and research.

6535-60-0

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Basic information
1. Product Name: 7,7'-Iminobis[4-hydroxy-3-[[4-[(2,4-dihydroxyphenyl)azo]phenyl]azo]naphthalene-2-sulfonic acid sodium] salt
2. Synonyms: 7,7'-Iminobis[4-hydroxy-3-[[4-[(2,4-dihydroxyphenyl)azo]phenyl]azo]naphthalene-2-sulfonic acid sodium] salt;Benzoform Blue B;C.I.35290
3. CAS NO:6535-60-0
4. Molecular Formula: C44H32N9NaO12S2
5. Molecular Weight: 965.9
6. EINECS: N/A
7. Product Categories: N/A
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: 7,7'-Iminobis[4-hydroxy-3-[[4-[(2,4-dihydroxyphenyl)azo]phenyl]azo]naphthalene-2-sulfonic acid sodium] salt(CAS DataBase Reference)
10. NIST Chemistry Reference: 7,7'-Iminobis[4-hydroxy-3-[[4-[(2,4-dihydroxyphenyl)azo]phenyl]azo]naphthalene-2-sulfonic acid sodium] salt(6535-60-0)
11. EPA Substance Registry System: 7,7'-Iminobis[4-hydroxy-3-[[4-[(2,4-dihydroxyphenyl)azo]phenyl]azo]naphthalene-2-sulfonic acid sodium] salt(6535-60-0)
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: 6535-60-0(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 6535-60-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,5,3 and 5 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 6535-60:
(6*6)+(5*5)+(4*3)+(3*5)+(2*6)+(1*0)=100
100 % 10 = 0
So 6535-60-0 is a valid CAS Registry Number.

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