Molekula
Hexamethylenetetramine
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Hexamethylenetetramine is a white crystalline organic compound (C6H12N4) primarily used as a precursor in chemical synthesis, a buffer in analytical chemistry, and in the production of resins, pharmaceuticals, and explosives. It also serves as a formaldehyde release agent in adhesives and as a blowing agent in foamed plastics. Catalogue details: CAS 100-97-0, molecular weight 140.19 g/mol, stable at ambient storage conditions, signal word Warning (EU classification).
Molekula supplies Hexamethylenetetramine at ≥99.0% purity in 1 g to 1 kg packs, from £24.00 inc. VAT. It is in stock for same-day dispatch. Every batch ships with a certificate of analysis, and safety data sheets are available in 6 languages. Larger quantities, up to multi-tonne, are quoted on request.
Example image for illustration only. Other packaging and pack sizes are available.
Often bought together
Pricing & pack sizes
In stock — same-day dispatch
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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1 g — £20.00 per pack ex VAT · £24.00 inc. VAT
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100 g — £23.10 per pack ex VAT · £27.72 inc. VAT
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250 g — £35.00 per pack ex VAT · £42.00 inc. VAT
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1 kg — £51.20 per pack ex VAT · £61.44 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White powder |
| Water | ≤0.5% |
| Ash | ≤0.05% |
| Identification | Conforms to reference |
| Assay | ≥99.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 250 °C |
| Transport Class | 4.1 |
| Packing Group | III |
| Acidity | Base |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Colorless crystalline solid |
| Odour | Odorless |
| Melting Point | 280 °C (sublimes) |
| Density | 1.3394 g/cm³ at 22 °C |
| Solubility (other solvents) | Freely soluble in water; practically insoluble in petroleum ether |
| Vapour Pressure | 6.1 × 10⁻⁴ mmHg at 25 °C |
| Refractive Index | 1.590 |
| pKa | pKa = 4.89 |
| log P (octanol/water) | -2.18 |
Source: PubChem CID 4101 (HSDB, CAMEO Chemicals)
Identification
| Property | Value |
|---|---|
| SKU | 10161866 |
| CAS Number | 100-97-0 |
| IUPAC Name | 1,3,5,7-tetrazatricyclo[3.3.1.13,7]decane |
| EC Number | 202-905-8 |
| Molecular Formula | C6H12N4 |
| Molecular Weight | 140.19 |
| Exact Mass | 140.1062 |
| SMILES | C1N2CN3CN1CN(C2)C3 |
| InChIKey | VKYKSIONXSXAKP-UHFFFAOYSA-N |
| InChI | InChI=1S/C6H12N4/c1-7-2-9-4-8(1)5-10(3-7)6-9/h1-6H2 |
| PubChem CID | 4101 |
| UN Number | UN1328 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2933.69.50.00 |
| Tariff Code | 2933694000 |
Safety & GHS
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Flammable
GHS02
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Health Hazard
GHS07
Hazard statements
- H228 Flammable solid
- H317 May cause an allergic skin reaction
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P232 Protect from moisture
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- 1,3,5,7-Tetraazaadamantane
- Formamine
- Hexamethylenamine
- Hexamine
- HMTA
- Methenamin
- methenamine
- Uritone
- Urotropin
- Urotropine
Frequently asked questions
What is hexamethylenetetramine (CAS 100-97-0) commonly used for?
Hexamethylenetetramine is primarily used as a precursor in the production of resins (e.g., phenol-formaldehyde), as a buffer in analytical chemistry, and in pharmaceuticals, adhesives, and vulcanization accelerators.
What is the chemical formula and molecular weight of hexamethylenetetramine?
The chemical formula is C₆H₁₂N₄, and the molecular weight is 140.19 g/mol.
What safety classification does hexamethylenetetramine have under GHS?
The signal word for hexamethylenetetramine is Warning. Its hazard statements are H228 (flammable solid) and H317 (may cause an allergic skin reaction).
How should hexamethylenetetramine be stored?
Store hexamethylenetetramine in a cool, dry place at ambient temperature, away from moisture and incompatible substances like strong oxidizers.
Does Molekula supply hexamethylenetetramine in bulk quantities?
Yes, Molekula can supply hexamethylenetetramine in bulk quantities (e.g., drums, totes) for industrial and commercial applications—please contact us for specific packaging options.
What documentation is provided with an order of hexamethylenetetramine?
Each order includes a Certificate of Analysis (CoA), Safety Data Sheet (SDS), and, if applicable, a Certificate of Origin or Customs Declaration for international shipments.
Where can I buy Hexamethylenetetramine?
Directly from Molekula, which lists Hexamethylenetetramine in 1 g to 1 kg packs from £24.00 inc. VAT, with a certificate of analysis for every batch. Larger quantities are quoted on request. Molekula's offices: United Kingdom, France, Spain, Germany, Italy, United States and China.
Is Hexamethylenetetramine dangerous goods for shipping?
Yes. Hexamethylenetetramine ships as dangerous goods: UN1328, class 4.1, packing group III.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.