Pentamethylen-diphosphonsaeure-tetrachlorid, also known as tetrachloridopentamethylenediphosphonic acid, is a chemical compound with the formula C5H8Cl4O6P2. It is a white crystalline solid that is soluble in water and has a molecular weight of 393.9 g/mol. Pentamethylen-diphosphonsaeure-tetrachlorid is a derivative of phosphonic acid, featuring a pentamethylene chain (five carbon atoms) connecting two phosphonic acid groups. It is used in various applications, including as a chelating agent, a scale inhibitor, and a flame retardant. Due to its ability to form stable complexes with metal ions, it is particularly effective in preventing the precipitation of calcium carbonate and other scale-forming minerals in industrial processes. The compound's tetrachloride nature also contributes to its thermal stability and reactivity profile.

5943-26-0

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Basic information
1. Product Name: Pentamethylen-diphosphonsaeure-tetrachlorid
2. Synonyms:
3. CAS NO:5943-26-0
4. Molecular Formula:
5. Molecular Weight: 305.893
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: Pentamethylen-diphosphonsaeure-tetrachlorid(CAS DataBase Reference)
10. NIST Chemistry Reference: Pentamethylen-diphosphonsaeure-tetrachlorid(5943-26-0)
11. EPA Substance Registry System: Pentamethylen-diphosphonsaeure-tetrachlorid(5943-26-0)
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: 5943-26-0(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 5943-26-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,9,4 and 3 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 5943-26:
(6*5)+(5*9)+(4*4)+(3*3)+(2*2)+(1*6)=110
110 % 10 = 0
So 5943-26-0 is a valid CAS Registry Number.

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16543-37-6 Pentamethylen-bis-(di-p-tolyl-phosphinoxid)

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