Ammonium nitrite represented by the chemical formula NH4NO2 or H4N2O2 <1> that bears the IUPAC surname azanium nitrite <4> is a compound containing nitrogen, hydrogen and oxygen that is dissolve in water <6>. It is one ammonium salt and an ionic link <1>.

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Ammonium Nitrite

Ammonium Nitrite Identification

CAS Number13446-48-5 <1>
PubChem CID26004 <1>
ChemSpider ID24223 <2>
EC Number236-598-7 <1>

How to do it

Ammonium nitrite deserve to be ready by a reaction between silver nitrite and ammonium chloride that likewise produces silver- chloride <6>.

2AgNO2 + NH4Cl = NH4NO2 + 2AgCl

Nitrous acid additionally reacts through ammonium hydroxide to develop ammonium nitrite and water <7>.

HNO2 + NH4OH = NH4NO2 + H2O

Properties and Characteristics that Ammonium Nitrite

General Properties

Molar mass/molecular weight64.044 g/mol <1>

Physical Properties

Color/appearanceWhite-yellowish crystals <5>
OdorOdorless <6>
Melting point/freezing pointDecomposes (explodes in ~ 60°C-70°C) <3>
Boiling pointN/A <4>
Density 1.69 g cm-3 <3>
State of issue at room temperature (normal phase)Solid <5>

Chemical Properties

Solubility in water64.3 g/100g (at 19.15oC) <5>
pH>7 (basic) <6>


Ammonium Nitrite Structure

Prominent Reactions

If the focused solution the the compound is heated as well strongly, that explodes decomposing into nitrogen gas and water <5, 6>.

NH4NO2 = N2 + 2H2O


Ammonium Nitrite Formula

Ammonium Nitrite Uses

As a microbiocide, rodenticide and agricultural pesticide <4>.In do explosives <6>.

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Is it Dangerous

The link is very toxic come humans and aquatic animals. It can reason an to explode hazard. Heater it can produce toxic fumes the ammonia and also nitrogen oxides <4, 6>

Ammonium Nitrite (NH4NO2) Cost

The rough compound is extremely challenging to find in the pure kind and almost none the the major chemical suppliers sell it because that commercial purposes <6>.



Limiting Reagent (Reactant)


Brønsted-Lowry Theory

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