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31247

Sigma-Aldrich

Potassium chlorate

puriss. p.a., ACS reagent, reag. Ph. Eur., ≥99%

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About This Item

Fórmula lineal:
KClO3
Número de CAS:
3811-04-9
Peso molecular:
122.55
EC Number:
223-289-7
MDL number:
MFCD00011361
UNSPSC Code:
12352302
PubChem Substance ID:
329753697
assay:
≥99%

grade

ACS reagent
puriss. p.a.

agency

reag. Ph. Eur.

assay

≥99%

form

solid

impurities

≤0.0005% heavy metals (as Pb)
≤0.005% in water insoluble matters

mp

356 °C (lit.)

anion traces

bromate (BrO3-): ≤150 mg/kg
chloride (Cl-): ≤10 mg/kg
sulfate (SO42-): ≤20 mg/kg

cation traces

As: ≤0.5 mg/kg
Ca: ≤20 mg/kg
Fe: ≤3 mg/kg
Mg: ≤10 mg/kg
Na: ≤100 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

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General description

Potassium chlorate is a shiny colorless solid having monoclinic crystals in the form of platelets. 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. On X-ray irradiation potassium chlorate undergoes 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 as strong oxidizing agent in the preparation of graphite oxide (GO).

pictograms

Flame over circleSkull and crossbones
GHS03,GHS06

signalword

Danger

hcodes

H271,H301

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

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The Decomposition of Solid Potassium Chlorate by X Rays.
Heal HG.
Canadian Journal of Chemistry, 37(5), 979-987 (1959)
Single sheet functionalized graphene by oxidation and thermal expansion of graphite.
McAllister MJ, et al.
Chemistry of Materials, 19(18), 4396-4404 (2007)
ESR Spectrum of O-3 Trapped in a Single Crystal of Potassium Chlorate.
Schlick S.
J. Chem. Phys., 56, 654-661 (1972)
Hakan Mutlu et al.
AJNR. American journal of neuroradiology, 24(7), 1396-1398 (2003-08-15)
We present the case of a patient who attempted suicide by ingesting matchstick heads (55% potassium chlorate). The patient presented to the emergency room with loss of consciousness, and MR imaging revealed symmetric hyperintense signal within the deep gray matter
F Khan et al.
Biochimica et biophysica acta, 1481(2), 229-236 (2000-10-06)
Characterization of conformational transition and folding intermediates is central to the study of protein folding. We studied the effect of various alcohols (trifluoroethanol (TFE), butanol, propanol, ethanol and methanol) and salts (K(3)FeCN(6), Na(2)SO(4), KClO(4) and KCl) on the acid-induced state
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