Aminoguanidinium bicarbonate

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Aminoguanidinium bicarbonate
Names
IUPAC name
2-Aminoguanidinium hydrogen carbonate
Other names
Aminoguanidine hydrocarbonate
Aminoguanidine hydrogencarbonate
Aminoguanidinium hydrogen carbonate
Guanylhydrazine hydrogen carbonate
Properties
C2H8N4O3
Molar mass 136.11 g/mol
Appearance White solid
Odor Odorless
Density 1.56 g/cm3 (20 °C)
Melting point 170–172 °C (338–342 °F; 443–445 K)
Boiling point Decomposes
0.27 g/100 ml (20 °C)
0.33 g/100 ml (30 °C)
Vapor pressure ~0 mmHg
Hazards
Safety data sheet Sigma-Aldrich
Lethal dose or concentration (LD, LC):
5.000 mg/kg (rat, oral)
1.160 mg/kg (rat, IP)
Related compounds
Related compounds
Aminoguanidinium nitrate
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Aminoguanidinium bicarbonate or aminoguanidine bicarbonate is a chemical compound used as precursor for the preparation of aminoguanidine compounds. It has the chemical formula C2H8N4O3.

Properties

Chemical

Addition of an equimolar amount of freebase aminoguanidine to aminoguanidine bicarbonate will yield aminoguanidinium carbonate.

Aminoguanidinium bicarbonate will react with acids to yield their respective salts.

Physical

Aminoguanidinium bicarbonate is a white solid, slightly soluble in water.

Availability

Aminoguanidine bicarbonate is sold by chemical suppliers.

Preparation

Aminoguanidinium bicarbonate can be prepared by reacting calcium cyanamide with hydrazine sulfate.

Can also be easily prepared by reducing nitroguanidine with zinc powder.

Projects

  • Preparation of aminoguanidine compounds
  • Preparation of tetrazoles

Handling

Safety

Aminoguanidine compounds don't pose significant toxicity, though they should still be handled with proper protection.

Storage

In closed bottles.

Disposal

Dilute it with water and pour it down the drain.

References

Relevant Sciencemadness threads