12164-94-2
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Basic information
- Product Name: ammonium azide
- Synonyms: ammonium azide
- CAS NO:12164-94-2
- Molecular Formula: H4N4
- Molecular Weight: 60.05856
- EINECS: 235-315-4
- Product Categories: N/A
- Mol File: 12164-94-2.mol
- Article Data: 0
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Chemical Properties
- Melting Point: 160℃ [CIC73]
- Boiling Point: °Cat760mmHg
- Flash Point: °C
- Appearance: /orthorhombic crystals
- Density: 1.346
- Refractive Index: N/A
- Storage Temp.: N/A
- Solubility: N/A
- Water Solubility: g NH4N3/100g H2O: 16.0 (0°C), 25.3 (20°C), 37.1 (40°C) [LAN05]
- CAS DataBase Reference: ammonium azide(CAS DataBase Reference)
- NIST Chemistry Reference: ammonium azide(12164-94-2)
- EPA Substance Registry System: ammonium azide(12164-94-2)
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Safety Data
- Hazard Codes: N/A
- Statements: N/A
- Safety Statements: N/A
- RIDADR: 0473
- WGK Germany:
- RTECS:
- HazardClass: 1.1A
- PackingGroup: N/A
- Hazardous Substances Data: 12164-94-2(Hazardous Substances Data)
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12164-94-2 Usage
Chemical properties
Ammonium azide is an explosive chemical compound with the formula NH4N3.It is one of the few oxygen-free explosive materials that can be handled (relatively) safely.Ammonium azide will detonate to release nitrogen and hydrogen gases. NH4N3 → 2 N2 + 2 H2Traces of ammonia are also produced.Physical properties
Ammonium azide is a non-hygroscopic colorless odorless crystalline solid. It melts at 160 °C and decomposes at 400 °C. Ammonium azide is soluble in water. It also is soluble in ammonia. It is also easily soluble in ethanol, glycerol, methanol, pyridine, sparingly soluble in allyl alcohol, butanol and isobutanol and insoluble in acetone, aniline, benzaldehyde, benzene, carbon disulfide, chlorobenzene, chloroform, diethyl ether, ethyl acetate, isoamyl alcohol, methyl acetate, methyl ethyl ketone, nitrobenzene, tetrachloroethane, toluene and xylene.Preparation
Ammonium azide can be made by bubbling anhydrous ammonia in a ether solution of HN3. Since ammonium azide is almost insoluble in ether, it will precipitate.The precipitate is filtered and vacuum dried. Water traces are removed using phosphorus pentoxide in a desiccator.Heating a mixture of sodium azide with ammonium nitrate in a stream of dry air in a tube at 190 °C for 30 min will yield ammonium azide. The yield of the process is 93%. Ammonium sulfate can also be used instead of nitrate.http://www.sciencemadness.orgChemical Properties
orthorhombic, a=0.893 nm, b=0.864 nm, c=0.380 nm [CIC73]Safety Profile
Poison by inhalation and ingestion. See also AZIDES. Moderately flammable. Unstable. Explosion hazard upon rapid heating.Check Digit Verification of cas no
The CAS Registry Mumber 12164-94-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,1,6 and 4 respectively; the second part has 2 digits, 9 and 4 respectively.Calculate Digit Verification of CAS Registry Number 12164-94:
(7*1)+(6*2)+(5*1)+(4*6)+(3*4)+(2*9)+(1*4)=82
82 % 10 = 2
So 12164-94-2 is a valid CAS Registry Number.
12164-94-2Upstream product
12164-94-2Downstream Products
12164-94-2Related news
The peculiar behavior of the symmetric stretch of the N3-anion and the bending mode of the NH4-cation in the high-pressure phase II (above 3 GPa) of the molecular ionic crystal NH4N3 has been studied by pressure-dependent Raman spectroscopy up to a pressure of 20 GPa. The spectra in the pressure...detailed
This work is devoted to reduce spontaneous sublimation of ammonium azide at ambient and elevated temperatures by means of two microencapsulation techniques involving solvent/non-solvent and solvent evaporation methods in which stearic acid, Viton and nitrocellulose (NC) have been tested as coati...detailed
Pressure-dependent Raman spectroscopy studies reveal polymorph phase transition in simple molecular ionic crystal NH4N3 at pressure ≈3 GPa unobserved by recent ab initio evolutionary structure searches. Hydrogen bonding is spectroscopically evident in both low- and high-pressure phases. The str...detailed
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