Diphosphoric acid esters phosphoric acids

DIPHOSPHORIC ACID, TETRAETHYL ESTER (107-49-3) CgHjcO Pj Reacts with water, forming phosphoric acid and flammable ethylene gas. Alkalis or elevated temperatures above 300°F/149°C can cause deconqjosition, forming flammable ethylene gas and toxic phosphoms oxides. Reaction... 

DIPHOSPHORIC ACID, TETRAETHYL ESTER (107-49-3) Reacts with water, forming phosphoric acid and flammable ethylene gas. Alkalis or elevated temperatures above 300°F/150°C can cause decomposition, forming flammable ethylene gas and phosphorus oxides. Aqueous solution is incompatible with sulfuric acid, alkalis, ammonia, aliphatic amines, alkanolamines, alkylene oxides, amides, epichlorohydrin, nitromethane, organic anhydrides, isocyanates, vinyl acetate. Attacks some plastics, rubber, and coatings. Corrosive to metals in the presence of moisture. 

Synonyms Bis-0,0-diethylphosphoric anhydride Diphosphoric acid, tetraethyl ester Ethyl pyrophosphate, tetra- Pyrophosphoric acid, tetraethyl ester TEP TEPP Tetraethyl diphosphate Tetraethylpyrophosphate Classification Phosphoric acid ester Empirical C8H20O7P2... 

The main purpose of this section is to introduce derivatives of phosphoric acid. The acid chloride derivative is C1P0(0H)2, chlorophosphoric acid, and the amide derivative is phosphoramic acid, HgN-POCOHlg. These acid derivatives will not be discussed because they will not be used in this book. There are three ester derivatives of phosphoric acid a monoester 203, a diester 204, and a triester 205. There are also derivatives of pyrophosphoric acid (diphosphoric acid, 206), which include various esters. 

The Adenosine Triphosphate System.— Fresh mammalian muscle contains about 0-01-0 02 per cent, of adenosine triphosphate, or adenyl pyrophosphate, a diphosphoric ester of adenylic acid which is a nucleotide assembled from adenine, D-ribose and phosphoric acid (p. 349). 

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