1.04944

Potassium chlorate

for analysis EMSURE^® ACS,Reag. Ph Eur

• Synonym(s): Potassium chlorate
• Empirical Formula (Hill Notation): ClKO₃
• CAS Number: 3811-04-9
• Molecular Weight: 122.55
• MDL number: MFCD00011361
• UNSPSC Code: 12352302
• EC Index Number: 223-289-7

Properties

• grade: ACS reagent
• Quality Level: 300
• agency: reag. Ph. Eur.
• product line: EMSURE^®
• assay: ≥99.0% (silver nitrate titration)
• form: solid
• potency: 1870 mg/kg LD₅₀, oral (Rat)
• impurities: ≤0.005% Insoluble matter
• pH: 5.6 (20 °C, 73 g/L in H₂O)
• bp: 400 °C (decomposition)
• mp: 356 °C
• density: 2.32 g/cm³ at 20 °C
• bulk density: 1200‑1400 kg/m³
• anion traces: bromate (BrO₃^-): ≤0.015%; chloride (Cl^-): ≤0.001%; sulfate (SO₄^2-): ≤0.002%
• cation traces: As: ≤0.00005%; Ca: ≤0.002%; Fe: ≤0.0003%; Mg: ≤0.001%; Na: ≤0.01%; heavy metals (as Pb): ≤0.0005%
• storage temp.: 2-30°C
• InChI: 1S/ClHO3.K/c2-1(3)4;/h(H,2,3,4);/q;+1/p-1
• InChI key: VKJKEPKFPUWCAS-UHFFFAOYSA-M

Description

Application

• Inorganic oxidizer detection from propellants, pyrotechnics, and homemade explosive powders using gradient elution moving boundary electrophoresis.: Details the effective identification of potassium chlorate in various explosive formulations using electrophoresis, contributing to safer handling and forensic applications (Krauss et al., 2021).

Analysis Note

Assay (argentometric): ≥ 99.0 %
Identity: passes test
Insoluble matter: ≤ 0.005 %
Bromate (BrO₃): ≤ 0.015 %
Chloride (Cl): ≤ 0.001 %
Sulfate (SO₄): ≤ 0.002 %
Heavy metals (as Pb): ≤ 0.0005 %
As (Arsenic): ≤ 0.00005 %
Ca (Calcium): ≤ 0.002 %
Fe (Iron): ≤ 0.0003 %
Mg (Magnesium): ≤ 0.001 %
Na (Sodium): ≤ 0.01 %

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• pictograms: GHS03,GHS07,GHS09
• signalword: Danger
• hcodes: H271 - H302 + H332 - H411
• pcodes: P210 - P220 - P261 - P273 - P301 + P312 - P304 + P340 + P312
• Hazard Classifications: Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Chronic 2 - 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