Dithiobis(4,1-phenyleneoxy)bis(phosphonothioic acid O,O-dimethyl) ester is a complex organic compound with the chemical formula C16H16O6PS4. It is a type of organophosphorus compound, specifically a phosphonothioic acid ester, and is known for its chelating properties. [Dithiobis(4,1-phenyleneoxy)]bis(phosphonothioic acid O,O-dimethyl) ester is often used as a corrosion inhibitor in various industrial applications, particularly in the oil and gas industry, where it helps to prevent the corrosion of metal surfaces in contact with aggressive environments. It is also recognized for its ability to form stable complexes with metal ions, which is why it is effective in inhibiting corrosion. The compound's structure includes a central phenyleneoxy bridge connected to two phosphonothioic acid groups, each of which is esterified with a dimethyl group, contributing to its stability and reactivity in chemical processes.

3356-57-8

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Basic information
1. Product Name: [Dithiobis(4,1-phenyleneoxy)]bis(phosphonothioic acid O,O-dimethyl) ester
2. Synonyms: [Dithiobis(4,1-phenyleneoxy)]bis(phosphonothioic acid O,O-dimethyl) ester;BAY-64995;Bayer-64995;ENT-27330
3. CAS NO:3356-57-8
4. Molecular Formula: C16H20O6P2S4
5. Molecular Weight: 0
6. EINECS: N/A
7. Product Categories: N/A
8. Mol File: 3356-57-8.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: [Dithiobis(4,1-phenyleneoxy)]bis(phosphonothioic acid O,O-dimethyl) ester(CAS DataBase Reference)
10. NIST Chemistry Reference: [Dithiobis(4,1-phenyleneoxy)]bis(phosphonothioic acid O,O-dimethyl) ester(3356-57-8)
11. EPA Substance Registry System: [Dithiobis(4,1-phenyleneoxy)]bis(phosphonothioic acid O,O-dimethyl) ester(3356-57-8)
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: 3356-57-8(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 3356-57-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,3,5 and 6 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 3356-57:
(6*3)+(5*3)+(4*5)+(3*6)+(2*5)+(1*7)=88
88 % 10 = 8
So 3356-57-8 is a valid CAS Registry Number.

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