740411

Potassium azide

≥99.9% trace metals basis

• Synonym(s): Azidopotassium
• Empirical Formula (Hill Notation): KN₃
• CAS Number: 20762-60-1
• Molecular Weight: 81.12
• EC Number: 244-013-1
• MDL number: MFCD01698990
• UNSPSC Code: 12352125
• PubChem Substance ID: 329765409
• NACRES: NA.22

Properties

• Quality Level: 100
• assay: ≥99.9% trace metals basis
• form: solid
• mp: ~300 °C (decomposition)
• functional group: azide
• SMILES string: [K+].[N-]=[N+]=[N-]
• InChI: 1S/K.N3/c;1-3-2/q+1;-1
• InChI key: TZLVRPLSVNESQC-UHFFFAOYSA-N

Description

Application

Potassium 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.

Safety Information

• pictograms: GHS06
• signalword: Danger
• hcodes: H300
• pcodes: P264 - P301 + P310
• Hazard Classifications: Acute Tox. 2 Oral
• Storage Class: 6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable