Potassium hydrogen diiodate
Potassium hydrogen diiodate (CAS: 13455-24-8), with the chemical formula KH(IO3)2 and a molecular weight of 389.91 g/mol, is a potent oxidising agent. It is primarily employed as a laboratory reagent and in specific industrial chemical processes. This compound is recognised for its high purity, suitable for analytical and research applications where precise chemical behaviour is critical. Its properties necessitate careful handling due to its reactive nature.
- IUPAC
- Potassium biiodate,Potassium hydrogeniodate
- Synonyms
- Potassium biiodatePotassium hydrogeniodate

Oxidising Agent in Chemical Synthesis
Utilised as a strong oxidising agent in various organic and inorganic synthesis reactions. Its controlled reactivity makes it suitable for specific redox transformations in research and development settings.
Analytical Reagent
Serves as a reagent in analytical chemistry, particularly in titrations and quantitative analysis. Its high assay ensures reliable and reproducible results in laboratory testing.
Iodometric Titrations
A key component in certain iodometric titration methods, enabling the precise determination of reducing agents. Its consistent quality is vital for accurate analytical outcomes.
| Molecular weight | 389.91 |
|---|---|
| Linear formula | KH(IO3)2 |
| Assay | ≥99.8% (RT) |
| Grade | ACS reagentp.a. |
| Impurities tested | ≤0.002% total nitrogen (N) |


Hazard statements
- H272May intensify fire; oxidiser
- H314Causes severe skin burns and eye damage
Precautionary statements
- P220Keep away from clothing and combustible materials
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Transport (UN / ADR) | UN 3085 8(5.1) / PGII |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | O,C |
| Risk statements (R) | 8-34 |
| Safety statements (S) | 17-26-36/37/39-45 |
| Cation traces | Ca: ≤20 mg/kgCd: ≤5 mg/kgCo: ≤5 mg/kgCr: ≤5 mg/kgCu: ≤5 mg/kgFe: ≤20 mg/kgMg: ≤5 mg/kgMn: ≤5 mg/kgNa: ≤50 mg/kgNi: ≤5 mg/kgPb: ≤5 mg/kgZn: ≤5 mg/kg |
| Anion traces | bromide, bromate, chloride, chlorate (as Cl-): ≤200 mg/kgsulfate (SO42-): ≤50 mg/kg |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Potassium hydrogen diiodate used for?
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Potassium hydrogen diiodate is used as an oxidising agent in chemical synthesis and as a reagent in analytical chemistry, including iodometric titrations.
What are the CAS number and chemical formula for Potassium hydrogen diiodate?
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The CAS number is 13455-24-8 and the chemical formula is KH(IO3)2.
What grade and purity does Tech Serve Solutions supply for Potassium hydrogen diiodate?
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Tech Serve Solutions supplies Potassium hydrogen diiodate with an assay of ≥99.8% (RT) and a grade of ACS reagent, p.a. We do not represent this product as USP, BP, or EP grade.
How should Potassium hydrogen diiodate be handled safely?
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Potassium hydrogen diiodate is a danger due to its oxidising and corrosive properties (H272-H314). It can intensify fire and cause severe skin burns and eye damage. Handle with appropriate personal protective equipment (P280), avoid contact with skin and eyes (P305 + P351 + P338), and keep away from heat and combustible materials (P220).
How is Potassium hydrogen diiodate packed and shipped by TSS?
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Potassium hydrogen diiodate is packed and shipped according to UN 3085 8(5.1) / PGII regulations, reflecting its hazardous nature as an oxidising substance and corrosive material. TSS exports globally.
How can I request a sample or quote for Potassium hydrogen diiodate?
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To request a sample or a quote for Potassium hydrogen diiodate, please contact our sales team through the website or by phone. Specify the required quantity and your delivery location.
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