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Sodium Azide

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Identification
Molecular formula
NaN3
CAS number
26628-22-8
IUPAC name
sodium;azide
State
State

At room temperature, sodium azide is in a solid state. Its crystalline form makes it stable under standard conditions of temperature and pressure.

Melting point (Celsius)
275.00
Melting point (Kelvin)
548.00
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
65.01g/mol
Molar mass
65.0090g/mol
Density
1.8507g/cm3
Appearence

Sodium azide appears as a white crystalline solid. It is odorless and typically found as a powder or granular substance. When handled, it is important to avoid inhalation of its dust or contact with skin, as it can decompose and become hazardous.

Comment on solubility

Solubility of Sodium Azide

Sodium azide (NaN3), a notable chemical compound, exhibits intriguing solubility properties that are important for its applications in various fields. Here’s a detailed look into its solubility characteristics:

  • Solubility in Water: Sodium azide is highly soluble in water, with a solubility of approximately 50 g per 100 mL at room temperature. This makes it readily available for chemical reactions in aqueous solutions.
  • Temperature Effects: The solubility of NaN3 typically increases with rising temperatures, thus encouraging its use in experiments that require high concentrations of the compound.
  • pH Influence: The solubility can also be affected by the pH of the solution. In acidic conditions, its solubility may decrease due to the formation of undissolved azide species.
  • Organic Solvents: Sodium azide exhibits much lower solubility in organic solvents, which limits its use in non-aqueous reactions.

In summary, the solubility of sodium azide in water makes it a versatile compound in various chemical applications, although care must be taken regarding its solubility in different environments. Understanding these solubility dynamics is crucial for effectively harnessing its properties while ensuring safety in handling.

Interesting facts

Interesting Facts about Sodium Azide

Sodium azide, a fascinating compound with a wide range of applications, has garnered significant attention in the fields of chemistry and engineering. Here are some intriguing facts about this compound:

  • Explosive Properties: Sodium azide is best known for its use in airbag systems in vehicles. Upon impact, it decomposes rapidly to produce nitrogen gas, providing the necessary inflation of the airbag in a matter of milliseconds.
  • Biological Research: This compound is widely utilized in biological research as a preservative and a bactericide, allowing scientists to maintain culture stocks and prevent microbial contamination.
  • Industrial Applications: Sodium azide serves as a key component in the synthesis of various pharmaceuticals and chemicals, showcasing its versatility in industrial processes.
  • Toxicity Concerns: While sodium azide is invaluable in various applications, it is crucial to handle it with care. It is highly toxic and can pose severe health risks if ingested or improperly managed. Safety protocols are essential when working with this compound.
  • Historical Context: Sodium azide was first discovered in the 19th century, making it a compound with a rich history in inorganic chemistry and a deeper understanding of azide chemistry.

As chemists continue to explore innovative uses for sodium azide, its unique characteristics and properties promise to enhance its role across various scientific and practical fields. Just remember the wise words: "With great power comes great responsibility." Proper handling and awareness of its properties are essential.

Synonyms
sodium azide
26628-22-8
Azide, sodium
Natriumazid
Hydrazoic acid sodium salt
Azoture de sodium
Nemazyd
Kazoe
Sodium, azoture de
Natriummazide
hydrazoic acid, sodium salt
Azydek sodu
Sodium, azoturo di
RCRA waste number P105
NSC 3072
NaN3
DTXSID8020121
NCI-C06462
968JJ8C9DV
CHEBI:278547
U-3886
DTXCID80121
NSC-3072
Sodium salt of hydrazoic acid
RefChem:887283
247-852-1
Azium
SODIUM AZIDE (Na(N3))
SMITE
azidosodium
Sodiumazide
sodium;azide
Sodium Azide-15N3
CHEMBL89295
Na N3
Sodium trinitride
Natriumazid [German]
Natriummazide [Dutch]
Azydek sodu [Polish]
Caswell No. 744A
Azoture de sodium [French]
Sodium, azoture de [French]
Sodium, azoturo di [Italian]
CAS-26628-22-8
CCRIS 1261
HSDB 695
EINECS 247-852-1
UN1687
RCRA waste no. P105
EPA Pesticide Chemical Code 107701
UNII-968JJ8C9DV
azido sodium
sodium azid
sodium-azide
Natrium azide
AI3-50436
sodium azid e
Azide, 2% solution
SCHEMBL123
SODIUM AZIDE [MI]
EC 247-852-1
SODIUM AZIDE [HSDB]
Tox21_202461
Tox21_300024
Sodium azide [UN1687] [Poison]
AKOS015833396
AKOS015951264
FS07873
NCGC00090996-01
NCGC00254054-01
NCGC00260010-01
NS00076412
S0489
Q407577