Diphenyl (phenylazo)phosphonate, also known as 1,1'-(azodiphenyl-4,4'-diyl)bis(phosphonic acid), is an organic compound with the chemical formula C18H15N2O6P2. It is a yellow crystalline solid that is soluble in water and has a molecular weight of 434.25 g/mol. diphenyl (phenylazo)phosphonate is characterized by its azo group (-N=N-) connecting two phenyl rings, with each phenyl ring attached to a phosphonate group (-PO3H2). Diphenyl (phenylazo)phosphonate is used as a ligand in coordination chemistry, particularly in the formation of metal complexes, and has potential applications in the synthesis of dyes, pigments, and other organic compounds. It is also of interest in materials science for its potential use in the development of new materials with unique properties.

3348-55-8

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Basic information
1. Product Name: diphenyl (phenylazo)phosphonate
2. Synonyms:
3. CAS NO:3348-55-8
4. Molecular Formula:
5. Molecular Weight: 338.302
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: N/A
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: diphenyl (phenylazo)phosphonate(CAS DataBase Reference)
10. NIST Chemistry Reference: diphenyl (phenylazo)phosphonate(3348-55-8)
11. EPA Substance Registry System: diphenyl (phenylazo)phosphonate(3348-55-8)
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: 3348-55-8(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 3348-55-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,3,4 and 8 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 3348-55:
(6*3)+(5*3)+(4*4)+(3*8)+(2*5)+(1*5)=88
88 % 10 = 8
So 3348-55-8 is a valid CAS Registry Number.

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63218-83-7 4-phenyl-3,5-bis(2-pyridyl)-4H-1,2,4-triazole

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