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Related to Hexamethylenetetramine: Hexamine, Hexamethylenediamine
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



hexamine, or urotropine, colorless crystals with a sweet taste that carbonize at 280° C and sublime in vacuum above 230° C. Hexamethylenetetramine is highly soluble in water and carbon disulfide, moderately in alcohol and chloroform, and slightly in ether and benzene.

Hexamethylenetetramine is prepared by condensing ammonia with formaldehyde: 4NH3 + 6CH2O⇌(CH2)6N4 + 6H2O.

This reaction is reversible and under certain conditions the equilibrium may be shifted toward the left, which makes it possible to use hexamethylenetetramine as a convenient formaldehyde source (for example, in the production of ureaformaldehyde resins). Hexamethylenetetramine is also used in the production of the powerful explosive hexogen, in analytical chemistry (for example, in the preparation of buffer solutions), and as a smokeless solid fuel (so-called solid alcohol). Hexamethylenetetramine is a medicinal preparation of the antiseptic variety. Its antimicrobial action is due to formaldehyde formation from the decomposition of hexamethylenetetramine in acid media. Hexamethylenetetramine is used internally in powders, tablets, and solutions, as well as intravenously in infectious diseases, particularly for urinary tract infections. It was first synthesized by A. M. Butlerov in 1860.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
In 2003, Dowa Hightech came under scrutiny when it disposed of effluent containing hexamethylenetetramine, discharging it into the same Tone River system and causing formaldehyde to be generated.
Prophylactic and antidotal effects of hexamethylenetetramine against phosgene poisoning in rabbits.
Metal-doped nZnO (Fe-nZnO, Co-nZnO, Ni-nZnO, and Mn-nZnO) and nondoped nZnO photocatalysts were prepared through hydrothermal method of zinc nitrate, hexamethylenetetramine, and various metal ions.
By crosslinking with hexamethylenetetramine, benzo-l,3,2-dioxaborolanyl containing novolac resin exhibits higher carbon yield, more excellent flame retardancy and oxidation resistance than commercial novolac resin.
The composition of the coatings was determined by means of AAS after stripping the deposits in HC1 1:3 with hexamethylenetetramine to inhibit dissolution of the steel substrate.
Murugakoothan, "Characterization of hexagonal ZnO nanostructures prepared by hexamethylenetetramine (HMTA) assisted wet chemical method," Materials Letters, vol.
A mixture of 3,6-dihydroxy-9H-xanthen-9-one (4, 5.545 g, 0.024 mol) and hexamethylenetetramine (HMTA, 17.1 g, 0.12 mol) was dissolved in AcOH (60 mL).
The ZnO growth solution was prepared by dissolving 16 mM of zinc nitrate hexahydrate (Zn [(N[O.sub.3]).sub.2]-6[H.sub.2]O) and 25 mM of hexamethylenetetramine (HMT) into 200 mL of distilled water.
This is probably due to the fact that the [T.sub.g] of phenolic novolac polymer (cured with hexamethylenetetramine) is reportedly about 120[degrees]C [27] while the neat polybenzoxazine possesses a higher [T.sub.g]s of 165[degrees]C.
Hexamethylenetetramine (hexamine) has already been used industrially for the production of interior-grade tannin-bonded panels of low or no formaldehyde emission (Pizzi 1977, 1999; Pizzi et al.
The solution in the autoclave was the aqueous solution of zinc nitrate (0.05 M) and hexamethylenetetramine (0.05 M).
The zinc acetate solution was composed of zinc acetate dihydrate, hexamethylenetetramine, and deionized water.