| IUPAC name
| Other names
|Molar mass||159.529 g/mol|
|Melting point||248 °C (478 °F; 521 K) (decomposes)|
|Boiling point||Decomposes (explodes above 367 °C)|
|11.5% (0 °C)|
|Solubility||Soluble in ethanol, perchloric acid|
|Solubility in perchloric acid||36.7%|
|Vapor pressure||~0 mmHg|
|Safety data sheet||None|
| Guanidinium carbonate|
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Guanidinium perchlorate, also (incorrectly) called guanidine perchlorate is an energetic organic compound, similar to guanidinium nitrate. It has the chemical formula C(NH2)3ClO4, also written as GdnHClO4 or GdmClO4.
Guanidinium perchlorate decomposes when heated.
- CH6N3ClO4 (s) → 3 H2O(g) + CO(g) + 3/2 N2(g) + ½ Cl2(g)
Guanidinium perchlorate is a white solid, soluble in water.
Like guanidinium nitrate, guanidinium perchlorate can explode if heated at high temperatures, above 367 °C. It has a detonation velocity between 6,000-7,150 m/s for a specific gravity between 1.15-1.67.
Guanidinium perchlorate is not sold by any chemical supplier and has to be made.
Can be prepared by carefully adding perchloric acid to guanidine freebase or guanidinium carbonate. Gently heat the solution on a water heat bath, at around 90 °C to drive off the excess water until you get the solid compound. You can also crash it out of the solution by adding an alcohol. A good tip is to obtain the final product in powdered form, as large crystals are in general more sensitive and less safe to handle.
- Rocket fuel
- Make fireworks
Guanidinium perchlorate is flammable and may explode. Perchlorates are harmful to organisms.
Guanidinium perchlorate should be kept in closed plastic bottles.
Controlled pyrolysis can be used to destroy this compound.
A safer method involves reducing the perchlorate with metallic iron powder in anaerobic conditions, under UV light.