Tetraethyl ethane-1,1-diylbis(phosphonate), also known as 1,1-bis(phosphonomethyl)ethane or 1,1-Ethanediylbis(phosphonic acid), is an organophosphorus compound with the chemical formula C6H16O6P2. It is a colorless, viscous liquid that is soluble in water and has a molecular weight of 274.14 g/mol. tetraethyl ethane-1,1-diylbis(phosphonate) is primarily used as a scale inhibitor in various industrial applications, such as water treatment, oil and gas production, and cooling systems, due to its ability to chelate metal ions and prevent the formation of scale deposits. It is also used as a flame retardant and a component in some detergents and cleaning agents. The compound is synthesized by reacting ethylene glycol with phosphorus trichloride, followed by hydrolysis and purification.

1779-28-8

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Basic information
1. Product Name: tetraethyl ethane-1,1-diylbis(phosphonate)
2. Synonyms: tetraethyl ethane-1,1-diylbis(phosphonate)
3. CAS NO:1779-28-8
4. Molecular Formula:
5. Molecular Weight: 302.244
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: tetraethyl ethane-1,1-diylbis(phosphonate)(CAS DataBase Reference)
10. NIST Chemistry Reference: tetraethyl ethane-1,1-diylbis(phosphonate)(1779-28-8)
11. EPA Substance Registry System: tetraethyl ethane-1,1-diylbis(phosphonate)(1779-28-8)
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: 1779-28-8(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 1779-28-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,7,7 and 9 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1779-28:
(6*1)+(5*7)+(4*7)+(3*9)+(2*2)+(1*8)=108
108 % 10 = 8
So 1779-28-8 is a valid CAS Registry Number.

1779-28-8Upstream product

1779-28-8Downstream Products

6145-33-1 ethylidene-1,1-bisphosphonic acid

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