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Guanidine nitrate

Guanidine nitrate is a high energy fuel used in some gas generator and solid rocket propellant applications.


Guanidine nitrate has chemical formula C(NH2)3NO3. It has been used as a monopropellant in the Jetex engine for model airplanes. It is attractive because it has a high gas output, low flame temperature, and non-toxic combustion products. It has a relatively high monopropellant specific impulse of 177 seconds (1.7 kN\ x\ \tfrac {s}{kg}).[1]

Guanidine Nitrate
Other Names Molecular Formula CAS Number EINECS Number
Guanidinium Nitrate CH6N4O3 506-93-4 208-060-1
Appearance Melting Point Boiling Point R/S Statements
White solid 213°C Decomposes below boiling point R23, R24, R25
Density Solubility in Water NFPA 704 HAZMAT Category
1.436 \tfrac {g}{cm^3} 16 \tfrac {g}{100ml};\ 20^\circ C
  • Chemical Dangers:
    • May explosively decompose on shock, friction, or concussion.
    • May explode on heating.
    • On combustion, forms toxic and corrosive fumes including nitric acid and nitrogen oxides.
    • The substance is a strong oxidant and reacts with combustible and reducing materials.
  • Routes of Exposure: The substance can be absorbed into the body by ingestion.
  • Inhalation Risk: A nuisance-causing concentration of airborne particles can be reached quickly when dispersed, especially if powdered.
  • Effects of Short-Term Exposure: The substance is severely irritating to the eyes and the skin.
  • Stability: May explode if heated. May be shock sensitive.
  • Toxicology: Toxic if inhaled, swallowed or absorbed through the skin.

References and External Links

  1. ^ 1000 lbf/in² (700 kPa) chamber pressure, 14.7 lbf/in² (101 kPa) exit pressure, shifting equilibrium theoretical performance
  • ILO: Guanidine Nitrate MSDS
  • Jetex: Propellants
  • PhysChem: Guanidine Nitrate MSDS
  • ScienceLab: Guanidine Nitrate MSDS
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Guanidine_nitrate". A list of authors is available in Wikipedia.
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