HazMat Tool — substance information Reference only — not a shipping paper, placard mandate, or CVI record.

Hexamethylol benzene hexanitrate

HMT 15 June 2026

UN / ID: —
Hazard class: Forbidden
Packing group: —
ERG guide: —
Special provisions: —
Source: 49 CFR §172 (15 June 2026)

This Hazmat is classified as "Forbidden". This means the material may not be offered for transportation or transported in the applicable mode of transport.

On this page

Hexamethylol benzene hexanitrate

Hexamethylenetetramine (HMTA), also known as 1,3,5,7-tetraazaadamantane, is a heterocyclic organic compound with diverse applications. It has the chemical formula (CH2)6N4 and is a white crystalline compound that is highly soluble in water and polar organic solvents. It is useful in the synthesis of other organic compounds, including plastics, pharmaceuticals, explosives, and rubber additives. The compound is also used medically for certain conditions Wikipedia

Hazardous Materials Table

Source: 49 CFR §172 (15 June 2026)

(3) Hazard class

Forbidden

(4) Identification number

—

(5) Packing Group

—

(6) Labels

—

(7) Special Provisions (§172.102)

(8) Packing Authorizations (§173.***)

(8A) Exceptions	—
(8B) Non-bulk	—
(8C) Bulk	—

(9) Quantity Limits

(9A) Passenger aircraft/rail	—
(9B) Cargo aircraft only	—

(10) Vessel stowage

(10A) Location	—
(10B) Other	—

Segregation chart for load, transport, and storage

This chart shows whether loading, transport, or storage with other hazard classes is permitted, prohibited, or restricted. Based on 49 CFR §177.848.

This Hazmat is classified as "Forbidden". This means the material may not be offered for transportation or transported in the applicable mode of transport.

Similar substances

UN / ID	Proper shipping name	Hazard class
	Hexamethylene triperoxide diamine (dry)	Forbidden
UN 2281	Hexamethylene diisocyanate	6.1
UN 1783	Hexamethylenediamine solution	8
UN 2280	Hexamethylenediamine, solid	8
UN 2328	Trimethylhexamethylene diisocyanate	6.1