Hexamine (Hexamethylenetetramine)

Hexamethylenetetramine, also known as methenamine, is a white crystalline heterocyclic organic compound that is highly solubi.in water and polar organic solvents. Its chemical formula is (CH2)6N4. The flammable solid has a cage-like structure similar to adamantine. Hexamethylenetetramine is used in the synthesis of other chemical compounds such as plastics, pharmaceuticals, and rubber additives.

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Hexamine, also known as Hexamethylenetetramine, CAS No. 100-97-0, and chemical formula C6H12N4, is an odorless, white crystalline powder or colorless lustrous crystal. The flammable solid heterocyclic organic compound sublimes in a vacuum at about 505° F with some decomposition. The compound is considered toxic and may be harmful by inhalation, ingestion or skin absorption. It is an irritant of the skin, eyes, mucous membranes and upper respiratory tract.


Hexamethylenetetramine is prepared by combining formaldehyde and ammonia. The reaction can be conducted in gas phase and in solution.


Industry Uses

Hexamethylenetetramine is dominantly used in the production of powdery or liquid preparations of phenolic resins and phenolic resin molding compounds where it is added as a hardening component. These products are used as binders in the manufacture of brake and clutch linings, abrasive products, non-woven textiles, formed parts produced by molding processes, and fireproof materials. It is also used in the medical profession for the treatment of urinary tract infections.

Because it is smokeless when burned, has a high energy density of 30.0 megajoules per kilogram (MJ/kg), does not liquify while burning, and leaves no ashes, hexamethylenetetramine is a component of hexamine fuel tablets used by campers, hobbyists, the military and relief organizations for heating camping food as well as military rations.

The crystalline compound is also used as a reagent in organic chemistry, a food additive as a preservative, and as the base component in the manufacture of certain explosives.

Consumer Uses

  1. Adhesives and Sealants
  2. Agricultural Products (non-pesticidal)
  3. Automotive Care Products
  4. Building/Construction Materials not covered elsewhere
  5. CBI
  6. Plastic and Rubber Products not covered elsewhere

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