Potassium chlorate
SIGALD/255572 - ACS reagent, ≥99.0%
CAS Number: 3811-04-9
Empirical Formula (Hill Notation): ClKO3
Molecular Weight: 122.55
EC Number: 223-289-7
MDL Number: MFCD00011361
Linear Formula: KClO3
Product Type: Chemical
| anion traces | bromate (BrO3-): ≤0.015% |
| chloride (Cl-): ≤0.001% | |
| sulfate (SO42-): passes test | |
| assay | ≥99.0% |
| cation traces | Ca: ≤0.002% |
| Fe: ≤3 ppm | |
| heavy metals: ≤5 ppm (by ICP) | |
| Mg: ≤0.002% | |
| Na: ≤0.01% | |
| form | crystalline powder |
| grade | ACS reagent |
| impurities | ≤0.001% N compounds |
| ≤0.005% insolubles | |
| InChI | 1S/ClHO3.K/c2-1(3)4;/h(H, |
| InChI key | VKJKEPKFPUWCAS-UHFFFAOYSA |
| mp | 356 °C (lit.) |
| pH | 5-6.5 (25 °C, 61.3 g/L) |
| Quality Level | 200 ![]() |
| SMILES string | [K+].[O-]Cl(=O)=O |
| solubility | water: soluble (completely, 69.9 g/l at 20 °C (68 °F)) |
| Application: | Potassium chlorate is used: • In the sequential extraction (SEP) of selenium to analyze its isotopic composition from various Se pools. • In the preparation of graphite oxide (GO). |
| General description: | Potassium chlorate (KClO3) is widely used in the chemical industry as an oxidizing agent. KCIO3 is used in the conversion of alcohols to corresponding aldehyde or ketone derivatives. |
| Packaging: | 100, 500 g in poly bottle |
| Symbol | ![]() ![]() GHS03,GHS07,GHS09 |
| Signal word | Danger |
| Hazard statements | H271 - H302 + H332 - H411 |
| Precautionary statements | P210 - P220 - P261 - P273 - P301 + P312 - P304 + P340 + P312 |
| Hazard Codes | O,Xn,N |
| Risk Statements | 9-20/22-51/53 |
| Safety Statements | 13-16-27-61 |
| RIDADR | UN 1485 5.1 / PGII |
| WGK Germany | WGK 2 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥99.0% |
| mp | 356 °C (lit.) |
| UNSPSC | 12352302 |




