60399

Potassium iodide

BioUltra, ≥99.5% (AT)

• Linear Formula: KI
• CAS Number: 7681-11-0
• Molecular Weight: 166.00
• EC Number: 231-659-4
• MDL number: MFCD00011405
• PubChem Substance ID: 57651758
• NACRES: NA.25

Properties

• Quality Level: 200
• vapor pressure: 1 mmHg ( 745 °C)
• product line: BioUltra
• assay: ≥99.5% (AT)
• form: solid
• impurities: insoluble matter, passes filter test; ≤0.001% total nitrogen (N)
• loss: ≤0.5% loss on drying, 110 °C
• pH: 6.0-9.0 (25 °C, 1 M in H₂O)
• mp: 681 °C (lit.)
• solubility: H₂O: 1 M at 20 °C, clear, colorless
• anion traces: bromide, chloride (as Cl^-): ≤100 mg/kg; iodate (IO₃^-): ≤2 mg/kg; phosphate (PO₄^3-): ≤10 mg/kg; sulfate (SO₄^2-): ≤10 mg/kg
• cation traces: Al: ≤5 mg/kg; As: ≤0.1 mg/kg; Ba: ≤5 mg/kg; Bi: ≤5 mg/kg; Ca: ≤10 mg/kg; Cd: ≤5 mg/kg; Co: ≤5 mg/kg; Cr: ≤5 mg/kg; Cu: ≤5 mg/kg; Fe: ≤5 mg/kg; Li: ≤5 mg/kg; Mg: ≤5 mg/kg; Mn: ≤5 mg/kg; Mo: ≤5 mg/kg; Na: ≤300 mg/kg; Ni: ≤5 mg/kg; Pb: ≤5 mg/kg; Sr: ≤5 mg/kg; Zn: ≤5 mg/kg
• absorption: cut-off at 273 nm in H₂O at 1 M
• application(s): vitamins, nutraceuticals, and natural products
• SMILES string: [K+].[I-]
• InChI: 1S/HI.K/h1H;/q;+1/p-1
• InChI key: NLKNQRATVPKPDG-UHFFFAOYSA-M

Description

Application

Potassium iodide has been used:

• to inhibit active oxygen as a component of processes such as DNA damage
• as a chaotropic agent which, in high concentrations can dissolve a gel matrix
• in the recovery of DNA from gel slices by gel dissolution

Safety Information

• Pictograms: GHS08
• Signal Word: Danger
• Hazard Statements: H372
• Precautionary Statements: P260 - P264 - P270 - P314 - P501
• Hazard Classifications: STOT RE 1 Oral
• Target Organs: Thyroid
• Storage Class Code: 6.1D - Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
• WGK: WGK 3
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves