Potassium Iodide 99.9% BP, EP, USP

Potassium Iodide 99.9% is an inorganic compound with the chemical formula KI. It is a highly pure, crystalline salt composed of potassium and iodine, noted for its stability and reactivity. This white salt is the most commercially significant iodide compound.

BP, EP, USP Grade: conforms to British Pharmacopoeia (BP), European Pharmacopoeia (EP), and United States Pharmacopoeia (USP) standards.

No Additives: We prioritise purity, delivering only the highest quality for our customers - you can trust that our product contains no preservatives or additives.

Manufactured in the UK: Our Potassium Iodide 99.9% is sourced and packaged using non-toxic, chemical resistant containers, providing reliable and trusted quality to our customers.

Frequent Uses

Analytical Chemistry

In laboratory settings, its commonly used as a reagent in redox reactions, particularly for detecting oxidising agents and as part of starch-iodine tests.

Laboratory Demonstrations 

Potassium Iodide is used in demonstrations, like the "elephant toothpaste" experiment, which shows rapid decomposition of hydrogen peroxide and produces foam.

Manufacturing

It is often used in the production of dyes and as a stabiliser in some polymers, and in other chemical synthesis applications.

Photography and Film Processing

In Photography it is sometimes used as a stabliser, aiding in the development and preservation of photographic images.

Conforms to BP, EP, USP grade

The major uses of KI include use as a nutritional supplement in animal feeds and also the human diet.

Used to Make Lugols iodine Solutions for all applications

offers Thyroid protection during medical treatment

offers Thyroid protection from Nuclear Radiation

A precursor to silver iodide (AgI) an important chemical in film photography.

A component in some disinfectants and hair treatment chemicals.

Is also used as a fluorescence quenching agent in biomedical research

Assay: 99.0 - 101.50%
M.F: KI
M.W: 166.0 g/mol
M.P: 681°C
Description: White crystalline powder
Identification: Meets requirements test for Potassium & Iodides 
Solubility: Very soluble in Water, freely soluble in Glycerine, soluble in alcohol
Loss on drying: < 0.8%
Iodate: < 4ppm
Alkalinity: Not more that 0.5mL of 0.01M HCl
Limit of ammonia nitrate & nitrile: No blue colouration of the paper is discernible
Thiosulphate & barium: No turbidity develops within one minute
Heavy metals: < 0.001%
Iron: < 2ppm
Sulphates: <102 ppm
Chloroform: ≤ 60 ppm
1,4 Dioxane: ≤ 380 ppm
Methylene chloride: ≤ 600 ppm
Trichloroethylene: ≤ 80 ppm

Cas Number: 7681-11-0

Einecs Number: 231-659-4

HS Code / Commodity Code: 2827600010

Hazard Phrases: H372

Prec Phrases: P260,P264,P270,P314,P501