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Cas Database |
| Name |
SILVER AZIDE |
EINECS | N/A |
| CAS No. | 13863-88-2 | Density | g/cm3 |
| PSA | 12.36000 | LogP | -0.00830 |
| Solubility | 0.01g/100mL H2O (100°C) [CRC10] | Melting Point |
212°C |
| Formula | AgN3 | Boiling Point | °Cat760mmHg |
| Molecular Weight | 149.888 | Flash Point | °C |
| Transport Information | N/A | Appearance | N/A |
| Safety | Explodes when heated above 270°C or on impact. Pure silver azide explodes at 340°. An electric field or irradiation by electron pulses can explode the crystals. Shock-sensitive when dry and has detonated @ 250°C. Solutions in aqueous ammonia explode above 100°C. Reacts to form more explosive products with iodine (forms iodine azide); bromine and other halogens. The presence of metal oxides or metal sulfides increases the azide's sensitivity to explosion. Mixtures with sulfur dioxide are explosive. When heated to decomposition it emits toxic fumes of NOx. See also AZIDES and SILVER COMPOUNDS. | Risk Codes | N/A |
| Molecular Structure |
|
Hazard Symbols | N/A |
| Synonyms |
Silverazide; Silver monoazide; Silver(1+) azide |
Article Data | 58 |
SILVER AZIDE Synthetic route
Conditions
| Conditions | Yield |
|---|---|
| In water addn. of aq. NaN3 to aq. AgNO3; pptn.; washing (water, alcohol, ether); drying over H2SO4 in vac.; elem. anal.; | 83% |
| In water | >99 |
| In water addition of a solution of NaN3 in H2O to a diluted solution of AgNO3 in H2O at 60-70°C under stirring;; washing with H2O, alcohol (95 %) and absolute ether, drying and storing over H2SO4;; |
Conditions
| Conditions | Yield |
|---|---|
| In water | |
| In water | |
| In water addition of equivalent amounts of Ag acetate and NaN3 in H2O into a column and introduction of air from below; continuous reaction;; | |
| In water | |
| In water addition of equivalent amounts of Ag acetate and NaN3 in H2O into a column and introduction of air from below; continuous reaction;; |
Conditions
| Conditions | Yield |
|---|---|
| In not given | |
| In not given |
Conditions
| Conditions | Yield |
|---|---|
| In water Kinetics; solns. in doubly distd. water of Ag(OH)4(1-) and alkaline NaN3 (moderate concns. of reactants) were mixed at 25°C, ionic strength 1.2 M (NaClO4); |
Conditions
| Conditions | Yield |
|---|---|
| With sodium hydroxide byproducts: H2O; 60-70 °C; distn. with steam to soln. of Ag-salt; | |
| With NaOH byproducts: H2O; 60-70 °C; distn. with steam to soln. of Ag-salt; |
Conditions
| Conditions | Yield |
|---|---|
| With sodium hydroxide byproducts: H2O; 60-70 °C; distn. with steam to soln. of Ag-salt; | |
| With NaOH byproducts: H2O; 60-70 °C; distn. with steam to soln. of Ag-salt; |
Conditions
| Conditions | Yield |
|---|---|
| In ammonia without NH3 excess; filtering; | |
| In ammonia aq. ammonia=NH3; without NH3 excess; filtering; |
Conditions
| Conditions | Yield |
|---|---|
| In water solution of Ag(1+) and N3(1-) in water;; | |
| In water |
Conditions
| Conditions | Yield |
|---|---|
| With sodium hydroxide; sulfuric acid In ammonia with ammoniacal soln. of Ag-salt, without NH3 excess; pptn. obtd., filtrate traiting with NaOH contains HN3; distn. with H2SO4; | A n/a B >99 C n/a |
| With NaOH; H2SO4 In ammonia aq. ammonia=NH3; with ammoniacal soln. of Ag-salt, without NH3 excess; pptn. obtd., filtrate traiting with NaOH contains HN3; distn. with H2SO4; | A n/a B >99 C n/a |
SILVER AZIDE Chemical Properties
The Molecular formula of : AgN3
The Molecular Weight of : 149.888 g/mol
Molecular Structure :
Melting point: 250 °C, explosive
Boiling point: decomp.
Appearance: colourless solid
Density: 4.42 g/cm3, solid
Solubility in other solvents :2.0x10-8 g/L
The Molecular Weight of : 149.888 g/mol
Molecular Structure :
Melting point: 250 °C, explosive
Boiling point: decomp.
Appearance: colourless solid
Density: 4.42 g/cm3, solid
Solubility in other solvents :2.0x10-8 g/L
SILVER AZIDE Consensus Reports
Silver and its compounds are on the Community Right-To-Know List.
SILVER AZIDE Safety Profile
Explodes when heated above 270°C or on impact. Pure silver azide explodes at 340°. An electric field or irradiation by electron pulses can explode the crystals. Shock-sensitive when dry and has detonated @ 250°C. Solutions in aqueous ammonia explode above 100°C. Reacts to form more explosive products with iodine (forms iodine azide); bromine and other halogens. The presence of metal oxides or metal sulfides increases the azide's sensitivity to explosion. Mixtures with sulfur dioxide are explosive. When heated to decomposition it emits toxic fumes of NOx. See also AZIDES and SILVER COMPOUNDS.
SILVER AZIDE Standards and Recommendations
OSHA PEL: TWA 0.01 mg(Ag)/m3
ACGIH TLV: TWA 0.01 mg(Ag)/m3
DOT Classification: Forbidden
ACGIH TLV: TWA 0.01 mg(Ag)/m3
DOT Classification: Forbidden
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Silver azide
