71289

Sodium azide

BioUltra, ≥99.5% (T)

• Synonym(s): NaN₃, Natrium azide
• Linear Formula: NaN₃
• CAS Number: 26628-22-8
• Molecular Weight: 65.01
• EC Number: 247-852-1
• MDL number: MFCD00003536
• UNSPSC Code: 12352302
• PubChem Substance ID: 57652280
• NACRES: NA.21
• Assay: ≥99.5% (T)
• form: crystals
• solubility: H₂O: 1 M at 20 °C, clear, colorless

Properties

• product line: BioUltra
• Quality Level: 200
• Assay: ≥99.5% (T)
• form: crystals
• impurities: insoluble matter, passes filter test
• loss: ≤0.1% loss on drying, 105 °C, 4 h
• pH: ~10.0 (25 °C, 1 M in H₂O)
• solubility: H₂O: 1 M at 20 °C, clear, colorless
• anion traces: chloride (Cl^-): ≤50 mg/kg; sulfate (SO₄^2-): ≤50 mg/kg
• cation traces: Al: ≤5 mg/kg; As: ≤0.1 mg/kg; Ba: ≤5 mg/kg; Bi: ≤5 mg/kg; Ca: ≤50 mg/kg; Cd: ≤5 mg/kg; Co: ≤5 mg/kg; Cr: ≤5 mg/kg; Cu: ≤5 mg/kg; Fe: ≤5 mg/kg; K: ≤100 mg/kg; Li: ≤5 mg/kg; Mg: ≤10 mg/kg; Mn: ≤5 mg/kg; Mo: ≤5 mg/kg; Ni: ≤5 mg/kg; Pb: ≤5 mg/kg; Sr: ≤5 mg/kg; Zn: ≤5 mg/kg
• absorption: cut-off at 276 nm in H₂O at 1 M
• SMILES string: [Na]N=[N+]=[N-]
• InChI: 1S/N3.Na/c1-3-2;/q-1;+1
• InChI key: PXIPVTKHYLBLMZ-UHFFFAOYSA-N

Description

Application

Sodium azide has been used as a reagent:

• in flow cytometry buffer[1][2]
• in bromodeoxyuridine (BrdU) labeling of synchronized hydroxyurea (HU)-arrested cells[3]
• to immobilize worms[4][5]

Safety Information

• Pictograms: GHS06,GHS08,GHS09
• Signal Word: Danger
• Hazard Statements: H300 + H310 + H330,H373,H410
• Precautionary Statements: P262 - P264 - P273 - P280 - P302 + P352 + P310 - P304 + P340 + P310
• Hazard Classifications: Acute Tox. 1 Dermal - Acute Tox. 2 Inhalation - Acute Tox. 2 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - STOT RE 2 Oral
• Target Organs: Brain
• Supplementary Hazards: EUH032
• Storage Class Code: 6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
• WGK: WGK 2
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves