Hexamethylenetetramine appears as odorless white crystalline powder or colorless lustrous crystals. Sublimes in a vacuum at about 505 °F with some decomposition. Solutions are strong bases (pH of 0.2 molar aqueous solution is 8.4). (NTP, 1992)
Flammable
Irritant
⚠️ For information only; not a substitute for the official Safety Data Sheet (SDS).
Hexamethylenetetramine appears as odorless white crystalline powder or colorless lustrous crystals. Sublimes in a vacuum at about 505 °F with some decomposition. Solutions are strong bases (pH of 0.2 molar aqueous solution is 8.4). (NTP, 1992)
| Physical Description | Hexamethylenetetramine appears as odorless white crystalline powder or colorless lustrous crystals. Sublimes in a vacuum at about 505 °F with some decomposition. Solutions are strong bases (pH of 0… |
| Color/Form | Crystallizes from ethanol as colorless, hygroscopic rhombododecahedra. |
| Odor | Odorless |
| Melting Point | 536 °F (sublimes) (NTP, 1992) |
| Boiling Point | Sublimes (NTP, 1992) |
| Flash Point | 482 °F (NTP, 1992) |
| Density | 1.35 at 68 °F (USCG, 1999) - Denser than water; will sink |
| Solubility | greater than or equal to 100 mg/mL at 68 °F (NTP, 1992) |
| Vapor Pressure | 0.004 [mmHg] |
| Refractive Index | Index of refraction: 1.590 /monoclinic, isometric/ |
| Stability/Shelf Life | Stable under recommended storage conditions. |
| IUPAC Name | 1,3,5,7-tetrazatricyclo[3.3.1.13,7]decane |
| Molecular Formula | C6H12N4 |
| Molecular Weight | 140.19 g/mol |
| CAS | 100-97-0 |
| SMILES | C1N2CN3CN1CN(C2)C3 |
| InChIKey | VKYKSIONXSXAKP-UHFFFAOYSA-N |
| Catalog No | KC.810016 |
| Pack sizes | 500GM |
⚠️ For information only; not a substitute for the official SDS.