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12634

Sigma-Aldrich

Potassium chlorate

puriss., 99-101%

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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:
329749781
NACRES:
NA.21

grade

puriss.

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 (SO42-): ≤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

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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).

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)
John J Bosnjak et al.
American journal of physiology. Heart and circulatory physiology, 284(4), H1080-H1086 (2003-02-22)
Thrombin (Thromb), activated as part of the clotting cascade, dilates conduit arteries through an endothelial pertussis toxin (PTX)-sensitive G-protein receptor and releases nitric oxide (NO). Thromb also acts on downstream microvessels. Therefore, we examined whether Thromb dilates human coronary arterioles
Paola González Audino et al.
Pest management science, 58(2), 183-189 (2002-02-21)
The stability to heart of cis-permethrin and beta-cypermethrin in the solid phase was studied and the decomposition products identified. Samples heated at 210 degrees C in an oven in the dark showed that, in the absence of potassium chlorate (the
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