SoleChem

Potassium iodate

CAS
7758-05-6
EC
231-831-9
Mol. Weight
214.001 g/mol

Description

Potassium iodate (CAS 7758-05-6), commonly referenced by its formula KIO3, is an inorganic iodine salt used as an oxidizing and iodizing agent across food, pharmaceutical, and industrial applications.

Its controlled release of iodine makes it a preferred source for fortification programs and oxidative processing where precision dosing matters. In food manufacturing, KIO3 is the active ingredient in salt iodization programs.

This material meets WHO-aligned fortification standards for iodine deficiency prevention at the population level. Flour treatment plants use it as a dough conditioner and bleaching agent to improve gluten structure.

It is also utilized to enhance crumb whiteness in commercial bread production. Pharmaceutical manufacturers incorporate it into iodine supplement formulations and as a thyroid-blocking agent in radiation emergency preparedness.

In water treatment, it functions as a disinfection aid and oxidant for controlling microbial load in municipal and industrial systems. The product is supplied as a white crystalline powder or fine granules.

Standard grades include food-grade (FCC), USP, and technical-grade material. Food and pharma grades are subject to strict purity thresholds, which are typically 99% or higher for most industrial uses.

Packaging ranges from small drums to bulk quantities, with moisture-controlled storage requirements. Buyers should factor these specific environmental needs into their logistics planning and warehouse management.

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Physical Properties

Melting Point 560 °C
Density 3.98 g/cm³
Appearance white crystals or powder
Color White to off-white
Odor at 100.00?%. odorless
Form Powder/Solid
Water Solubility Soluble
Vapor Pressure 0-0Pa at 25℃
pH 6 (50g/l, H2O, 20℃)
Log P -1 at 25℃

Safety & Handling (Learn More)

Danger GHS03 GHS07 GHS08
Hazard Statements
H272 May intensify fire; oxidizer
H302 Harmful if swallowed
H315 Causes skin irritation
H319 Causes serious eye irritation
H335 May cause respiratory irritation
H371 May cause damage to organs
Precautionary Statements
P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P220 Keep away from clothing and other combustible materials.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash … thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P271 Use only outdoors or in a well-ventilated area.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P319 Get medical advice/attention if you feel unwell.
P321 Specific treatment (see … on this label).
P330 Rinse mouth.
P405 Store locked up.
P501 Dispose of contents/container in accordance with local regulations.
P264+P265 Wash … thoroughly after handling.
P301+P317 Get emergency medical help.
P302+P352 IF ON SKIN: Wash with plenty of water.
P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P308+P316 Get emergency medical help immediately.
P332+P317 Get emergency medical help.
P337+P317 If eye irritation persists: Get medical advice/attention. Get emergency medical help.
P362+P364 Take off contaminated clothing and wash it before reuse.
P370+P378 Use … for extinction.
P403+P233 Store in a well-ventilated place. Keep container tightly closed.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Trade & Regulatory

HS Code 28299080
UN Number 1479
ADR Class 5.1
Packing Group II
Storage Class 5.1B - Oxidizing hazardous materials
WGK (Germany) 3

Documentation

Other Names

KIO3|Iodic acid, potassium salt|Iodic acid (HIO3), potassium salt|I139E44NHL|Potassium iodine oxide (KIO3)|IODIC ACID (HIO3) POTASSIUM SALT (1:1)|RefChem:6157

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