957-13-1

Basic information

• Product Name: HEXAMETHOXYPHOSPHAZINE
• Synonyms: HEXAMETHOXYPHOSPHAZINE;Hexamethoxyphosphazine 98%;1,1,3,3,5,5-hexamethoxy-2,4,6-triaza-1$l^{5},3$l^{5},5$l^{5}-triphosphacyclohexa-1,3,5-triene;2,2,4,4,6,6-Hexamethoxy-1,3,5-triazatriphosphinine;Hexamethoxyphosphazene 98%;Hexamethoxyphosphazene98%
• CAS NO: 957-13-1
• Molecular Formula: C6H18N3O6P3
• Molecular Weight: 321.14
• Mol File: 957-13-1.mol
• Article Data: 3

Chemical Properties

• Boiling Point: °Cat760mmHg
• Flash Point: °C
• Appearance: /
• Density: 1.52g/cm³
• Refractive Index: 1.527
• Storage Temp.: -20°C Freezer, Under inert atmosphere
• Solubility: Acetonitrile (Slightly), DMSO (Slightly)
• PKA: -7.16±0.27(Predicted)
• CAS DataBase Reference: HEXAMETHOXYPHOSPHAZINE(CAS DataBase Reference)
• NIST Chemistry Reference: HEXAMETHOXYPHOSPHAZINE(957-13-1)
• EPA Substance Registry System: HEXAMETHOXYPHOSPHAZINE(957-13-1)

Safety Data

• Hazard Codes: Xi
• Statements: 20/21/22
• Safety Statements: 24/25
• Hazardous Substances Data: 957-13-1(Hazardous Substances Data)

Usage

Description

Hexamethoxyphosphazine, also known as HMPZ, is an organic compound with the chemical formula (CH3O)3P-N(CH3)-P(OCH3)3. It is a colorless, crystalline solid that is soluble in organic solvents. HMPZ is a versatile compound with a wide range of applications in various industries due to its unique properties.

Uses

Used in Flame Retardants Industry:
Hexamethoxyphosphazine is used as a flame retardant for polyurethane foams. It is incorporated into the foam during the manufacturing process, providing enhanced fire resistance and reducing the risk of ignition. HMPZ works by releasing non-flammable gases and forming a protective char layer on the surface of the material, which helps to slow down the spread of flames and limit heat transfer.
Used in Lithium-ion Batteries Industry:
Hexamethoxyphosphazine is also used as an additive in lithium-ion batteries. It is added to the electrolyte solution to improve the performance and safety of the battery. HMPZ acts as a stabilizer, reducing the formation of unwanted side products and improving the overall efficiency of the battery. Additionally, it can help to prevent the growth of dendrites, which can cause short circuits and lead to battery failure.

InChI:InChI=1/C6H18N3O6P3/c1-10-16(11-2)7-17(12-3,13-4)9-18(8-16,14-5)15-6/h1-6H3

Upstream product

• 124-41-4 sodium methylate 

Downstream Products

• 6108-78-7 1,3-Dibenzyl-2,4,6-trimethoxy-5-methyl-2,4,6-trioxo-cyclotriphosphazan 

Relevant articles and documents

Studies of Phosphazenes Part: 24 - Cyclophosphazenecarboxylate Derivatives and Their Use in Synthesis of Amides

Penta(methoxy)(hydroxy)cyclotriphosphazene, N3P3(OMe)5(OH) (1), reacts with acetyl and benzoyl chlorides in the presence of triethylamine to yield the phosphazene-carboxylate derivatives, N3P3(OMe)5(OCOR) , as shown by IR and PMR spectroscopic data.Compounds 2 and 3 react with primary amines to afford amides in 85percent yield.