28698-31-9

Basic information

• Product Name: [propane-1,2-diylbis(nitrilodimethanediyl)]tetrakis(phosphonic acid)
• Synonyms: [(1-Methyl-1,2-ethanediyl)bis[nitrilobis(methylene)]]tetrakis(phosphonic acid); [(1-Methyl-1,2-ethanediyl)bis[nitrilobis(methylene)]]tetrakis[phosphonic acid]; {Propane-1,2-diylbis[nitrilobis(methylene)]}tetrakis(phosphonic acid); 28698-31-9; QPQO& 1N1PQQO& Y1& 1N1PQQO& 1PQQO
• CAS NO: 28698-31-9
• Molecular Formula: C₇H₂₂N₂O₁₂P₄
• Molecular Weight: 450.1508
• EINECS: 421-940-1
• Mol File: 28698-31-9.mol
• Article Data: 1

Chemical Properties

• Boiling Point: 860.8°C at 760 mmHg
• Flash Point: 474.4°C
• Density: 1.91g/cm³
• Vapor Pressure: 7.74E-33mmHg at 25°C
• Refractive Index: 1.609
• CAS DataBase Reference: [propane-1,2-diylbis(nitrilodimethanediyl)]tetrakis(phosphonic acid)(CAS DataBase Reference)
• NIST Chemistry Reference: [propane-1,2-diylbis(nitrilodimethanediyl)]tetrakis(phosphonic acid)(28698-31-9)
• EPA Substance Registry System: [propane-1,2-diylbis(nitrilodimethanediyl)]tetrakis(phosphonic acid)(28698-31-9)

Safety Data

• Hazardous Substances Data: 28698-31-9(Hazardous Substances Data)

Usage

General Description

The chemical compound "[propane-1,2-diylbis(nitrilodimethanediyl)]tetrakis(phosphonic acid)" is a complex organic molecule with multiple functional groups. It contains four phosphonic acid groups attached to a central carbon atom, which is connected to two nitrilodimethanediyl groups. [propane-1,2-diylbis(nitrilodimethanediyl)]tetrakis(phosphonic acid) is commonly used in industrial and agricultural settings as a chelating agent, which means it can bind to and remove metal ions from solutions. It is known for its strong complexation with metals like calcium, magnesium, and iron, making it useful for water treatment, metal chelation, and as a corrosion inhibitor. Additionally, its ability to form stable complexes with metal ions also makes it valuable in various chemical industries and applications.

Upstream product

• 50-00-0 formaldehyd 
• 78-90-0 1,2-diaminopropan 

Relevant articles and documents

PROCESS FOR PRODUCING HIGH-PURITY AMINOMETHYLENE PHOSPHONIC ACID

PROBLEM TO BE SOLVED: To provide a method for producing a high purity amino methylene phosphonic acid, by which unreacted formaldehyde existing in amino methylene phosphonic acid can be removed at high yield, with simple method and with simple equipment without generating a dangerous material.SOLUTION: The method for producing the high purity amino methylene phosphonic acid includes a step of adding water to a distillation still during distillation when a coarse amino methylene phosphonic acid solution having a moisture content of 35-60 wt.% is distilled by using a batch-type distiller. The total amount of water to be added is at least 0.5 time the charge weight of the coarse amino methylene phosphonic acid.