Potassium azide (HCID 10290740)

Names & identifiers

Preferred name: Potassium azide
IUPAC: potassium azide
English name: potassium azide
Molecular formula: KN3
Molecular weight: 81.1184

Names & synonyms

POTASSIUM AZIDE20762-60-1Potassium azide (K(N3))J3LSB2C8SODTXSID9040267RefChem:175417DTXCID7020267244-013-1potassium;azidePotassium azide, >=99.9% trace metals basisSCHEMBL1867NS00084343

Show more names

KN3AzidopotassiumPotassium azide, ≥99.9%Potassium azide >=99.9% trace metals basis

Q1093446

Database identifiers

CAS: 20762-60-1
PubChem CID: 10290740
DTXSID: DTXSID9040267
UNII: J3LSB2C8SO
EC Number: 244-013-1

Properties

Computed structural properties

Topological polar surface area: 3 Å²
Hydrogen bond donors: 0
Hydrogen bond acceptors: 2
Rotatable bonds: 0
Heavy atoms: 4
Formal charge: 0
Complexity: 15.5

Experimental & physicochemical properties

Chemical ClassesOther Uses -> Explosives

Physical DescriptionWhite powder or colorless crystals; [MSDSonline]

Physicochemical properties

Melting point: 350 · 350 (vacuum) [CRC10]
Density: 2.04 · 2.040
form: tetragonal crystals
color: tetragonal crystals, crystalline; explodes, explosive
Water Solubility: 100 g · g/100g H2O: 41.4 (0°C), 50.8 (20°C), 61.0 (40°C), 106 (100°C) [LAN05]
InChI: InChI=1S/K.N3/c;1-3-2/q+1;-1
InChIKey: TZLVRPLSVNESQC-UHFFFAOYSA-N
SMILES: N([K])=[N+]=[N-]
EWG's Food Scores: 1 · 1
FDA UNII: 3 LSB2C8SO · J3LSB2C8SO
EPA Substance Registry System: Potassium azide (20762-60-1)
UNSPSC Code: 12352125 · 12352125
NACRES: 22 · NA.22
Symbol(GHS): 6 · GHS06
Signal word: Danger
Hazard statements: 300 · H300
Precautionary statements: 264 · P264-P301+P310
Hazard Codes: T
Risk Statements: 25 · 25
Safety Statements: 45 · 45
RIDADR: 2811 · 2811
WGK Germany: 3 · 3
RTECS: 7080000 · TS7080000
TSCA: TSCA listed
HazardClass: 6.1 · 6.1(a)
PackingGroup: II
Storage Class: 6.1 A · 6.1A - Combustible acute toxic Cat. 1 and 2very toxic hazardous materials
Hazard Classifications: 2 Oral · Acute Tox. 2 Oral

Safety & regulation

GHS classification

GHS Classification · 4 items

Danger

H300 (100%): Fatal if swallowed [Danger Acute toxicity, oral]

P264, P270, P301+P316, P321, P330, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 39 reports by companies from 1 notifications to the ECHA C&L Inventory.

Hazard information

Hazards SummaryMay cause severe skin, respiratory tract, and mucous membrane irritation; May cause eye irritation; [MSDSonline] See AZIDES.

Hazard Classes and CategoriesAcute Tox. 2 (100%)

Toxicology

Adverse EffectsOther Poison - Chemical Asphyxiant

Acute Toxicity LinkChemical: AZIDE POTASSIUM

Safety data

wgk: 3
tsca: TSCA listed
rtecs: TS7080000
ridadr: 2811
risk_code: 25
Signal word: Danger
Symbol(GHS): GHS06
hazard_code: T
safety_code: 45
hazard_class: 6.1(a)
Storage Class: 6.1A - Combustible acute toxic Cat. 1 and 2very toxic hazardous materials
packing_group: II
Hazard statements: H300
Hazard Classifications: Acute Tox. 2 Oral
Precautionary statements: P264-P301+P310

Chemistry & industry

Uses & manufacturing

UsesUsed as pharmaceutical intermediate; as raw material for pyrotechnics and gas generators; [MSDSonline]

Use ClassificationHERBICIDES

General Manufacturing InformationPotassium azide (K(N3)): ACTIVE

Applications · 1 item

UsesPotassium azide can be used as a reagent to synthesize:3-O-(3-Azidoopropyl)estrone from 3-O-(3-methanesulfonyloxypropoxy)estrone via nucleophilic azidation in the presence of imidazolium catalyst.Azido phenacyl derivatives from α-bromoacetophenone derivatives in the presence of tetrabutylammonium bromide as a catalyst.1-Azido-4-fluorobenzene from potassium (4-fluorophenyl)trifluoroborate in the presence of cupric triflate as a catalyst.