ammonium azide

chemical substances

Ammonium azide is also called Ammonium azide yes Azide acid Of ammonium salt , the molecular formula is N4H4. With other inorganic Azide compound Similarly, this colorless crystal is explosive, although its sensitivity is low. NH ₄ N ∨ has physiological activity: a small amount of inhalation will cause headache and palpitations. It was first established by Theodor Curtius in 1890 Azide Made together.

Chinese name: ammonium azide
Foreign name: ammonium azide
chemical formula: NH4N3、N4H4

Melting point: 160 ℃
Water solubility: Soluble in water, slightly soluble in ethanol, insoluble in ether and benzene
Appearance: Colorless lamellar crystal
Hazard description: Closed heating can be explosive

catalog

one Basic properties
two Production method

Basic properties

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Ammonium azide, a colorless lamellar crystal, is one of the safe azides. It does not explode in the atmosphere, but can explode violently under closed heating. The reaction formula is:

N4H4----- △ -----＞2N two ↑+2H two ↑

Production method

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from Sodium azide Ammonium sulfate Dimethylformamide , i.e. HCON (CH three ) two In the presence of the following reaction, it is generated by stirring and heating:

ammonium azide

2NaN three +(NH four ) two SO four ----- HCON(CH3)2,△ -----＞Na two SO four +2NH four N three

The organic solution of ammonia (such as methanol and ether) can also be used Hydrogen azide Preparation, ammonium azide precipitation:

Ammonium azide production unit

NH3+HN3→NH4N3

Double decomposition reaction of some acids and salts: HN3+NH5CO3=N4H4+H2O+CO2 ↑

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