5836-28-2

Basic information

• Product Name: tetrapropan-2-yl diphosphate
• Synonyms: diphosphoric acid, tetrakis(1-methylethyl) ester; Diphosphoric acid, tetrakis(1-methylethyl) ester (9CI); Tetraisopropyl diphosphate
• CAS NO: 5836-28-2
• Molecular Formula: C₁₂H₂₈O₇P₂
• Molecular Weight: 346.294
• Mol File: 5836-28-2.mol
• Article Data: 6

Chemical Properties

• Boiling Point: 314.6°C at 760 mmHg
• Flash Point: 157.9°C
• Density: 1.123g/cm³
• Vapor Pressure: 0.000854mmHg at 25°C
• Refractive Index: 1.432
• CAS DataBase Reference: tetrapropan-2-yl diphosphate(CAS DataBase Reference)
• NIST Chemistry Reference: tetrapropan-2-yl diphosphate(5836-28-2)
• EPA Substance Registry System: tetrapropan-2-yl diphosphate(5836-28-2)

Safety Data

• Hazardous Substances Data: 5836-28-2(Hazardous Substances Data)

Usage

General Description

Tetrapropan-2-yl diphosphate, also known as P4 compounds, are a group of chemicals used as flame retardants in various industrial and consumer products. They are added to materials such as plastics, foams, and textiles to reduce their flammability and improve their fire resistance. Tetrapropan-2-yl diphosphate compounds work by releasing water and carbon dioxide when exposed to heat, which dilutes and cools the surrounding area, effectively slowing down the spread of fire. However, concerns have been raised about the potential health and environmental impacts of these chemicals, as some studies have suggested that they may be toxic and persistent in the environment. As a result, there is ongoing research and regulation aimed at better understanding and managing the risks associated with tetrapropan-2-yl diphosphate compounds.

Upstream product

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Relevant articles and documents

Tetrahydrofuran, one of the most popular solvents in organic synthesis, is not completely inert

Tetrahydrofuran undergoes fast ring cleavage in the reaction with PhI(OH)OTs/(RO)2P(O)H system, which causes the formation of O-(dialkoxyphosphoryl)-O′-tosyl-1,4-butanediol. This fact indicates that tetrahydrofuran is not suitable as a solvent for reactions with strong electrophilic reagents, such as hypervalent iodine reagents.

The reactions of dialkyl phosphites and phosphine oxides with iodosylbenzene

The reaction of iodosylbenzene with > P(O)H type of acids (dialkyl phosphites, secondary phosphine oxides) was studied. The acids of >P(O)H type add to iodosylbenzene to yield intermediate 6 which in the aprotic solvents yields oxidation products, it means >P(O)OH acids and/or anhydride of >P(O)OP(O) P(O)OR ester is the major product.

ELECTROCHEMICALLY INDUCED PROCESSES OF FORMATION OF PHOSPHORIC ACID DERIVATIVES. 3. ELECTROSYNTHESIS FROM WHITE PHOSPHORUS IN ALCOHOL-WATER SOLUTIONS

It has been established that the process of splitting of the P-P bonds of the white phosphorus molecules is initiated by cathode-generated nucleophiles (HO-, RO-), while functionalization of the P-H bond formed in phosphoric oligomers occurs under the action only of alcohol.The primary product after splitting of all the P-P bonds in phosphoric oligomers is dialkylphosphite (in alcohol-water media), or trialkylphosphite (in absolute alcohol), in the course of electrolysis being transformed into trialkylphosphate.Formation of esters of pyrophosphoric acid with reduced protogenic character of the medium was examined.It is proposed that under these conditions nucleophilic reagents of the type (>P)c-O- form and participate in splitting of the P-P bonds. Keywords: phosphoric acid derivatives, white phosphorus, electrosynthesis, alcohol-water solution.