12634

Potassium chlorate

puriss., 99-101%

• Linear Formula: KClO₃
• CAS Number: 3811-04-9
• Molecular Weight: 122.55
• EC Number: 223-289-7
• MDL number: MFCD00011361
• UNSPSC Code: 12352302
• PubChem Substance ID: 329749781
• NACRES: NA.21

Properties

• grade: puriss.
• Quality Level: 200
• assay: 99-101%
• form: powder or crystals
• impurities: ≤0.001% heavy metals (as Pb)
• pH: 5-6.5 (25 °C, 61.3 g/L)
• mp: 356 °C (lit.)
• anion traces: chloride (Cl^-): ≤100 mg/kg; sulfate (SO₄^2-): ≤100 mg/kg
• cation traces: As: ≤2 mg/kg; Ca: ≤50 mg/kg; Fe: ≤30 mg/kg
• SMILES string: [K+].[O-]Cl(=O)=O
• InChI: 1S/ClHO3.K/c2-1(3)4;/h(H,2,3,4);/q;+1/p-1
• InChI key: VKJKEPKFPUWCAS-UHFFFAOYSA-M

Description

General description

Crystals of potassium chlorate belong to the monoclinic crystal system. On heating above 400°C, it degrades to give potassium chloride and potassium perchlorate. It has strong oxidizing properties. On exposure to X-rays, oxygen-17 enriched KClO₃ generates O₃^- radical, which was investigated by ESR (Electron Spin Resonance). Irradiation of potassium chlorate with X-ray causes the degradation to generate chloride, chlorite, hypochlorite and occluded oxygen. Significant quantities of dichlorine hexoxide and a trace of chlorine dioxide were also produced.

Application

Potassium chlorate may be used in the preparation of graphite oxide (GO).

Safety Information

• pictograms: GHS03,GHS06
• signalword: Danger
• hcodes: H271,H301
• pcodes: P210 - P220 - P264 - P280 - P283 - P301 + P310
• Hazard Classifications: Acute Tox. 3 Oral - Ox. Sol. 1
• Storage Class: 5.1A - Strongly oxidizing hazardous materials
• wgk_germany: WGK 2
• flash_point_f: Not applicable
• flash_point_c: Not applicable