Molekula
Potassium periodate
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Potassium periodate is a strong oxidizing agent used in organic synthesis and analytical chemistry. It is employed in oxidation reactions and as a reagent in iodometric titrations. Available in powder form with a molecular weight of 230.00 g/mol, it has a CAS number of 7790-21-8 and should be stored at ambient temperatures. It is classified as Danger due to its oxidizing properties. Molekula supplies Potassium periodate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Often bought together
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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100 g — £54.50 per pack ex VAT · £65.40 inc. VAT
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500 g — £180.00 per pack ex VAT · £216.00 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White powder |
| Chloride (Cl-) | ≤0.02% |
| Assay | ≥99% |
| Manganese (Mn) | ≤0.0002% |
| Sodium (Na) | ≤0.03% |
| Iodine (I) | ≤0.005% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 5.1 (8) |
| Packing Group | I |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 17927307 |
| CAS Number | 7790-21-8 |
| IUPAC Name | potassium periodate |
| EC Number | 232-196-0 |
| Molecular Formula | KIO4 |
| Molecular Weight | 230.00 |
| Exact Mass | 229.8478 |
| SMILES | [O-]I(=O)(=O)=O.[K+] |
| InChIKey | FJVZDOGVDJCCCR-UHFFFAOYSA-M |
| InChI | InChI=1S/HIO4.K/c2-1(3,4)5;/h(H,2,3,4,5);/q;+1/p-1 |
| PubChem CID | 516896 |
| UN Number | UN3085 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 28299040 |
| Tariff Code | 2829908000 |
Safety & GHS
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Oxidizing
GHS03
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Corrosive
GHS05
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Serious Health Hazard
GHS08
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Hazardous to the Environment
GHS09
Hazard statements
- H271 May cause fire or explosion; strong oxidizer
- H314 (sub cat. 1C) Causes severe skin burns and eye damage
- H318 Causes serious eye damage
- H372 Causes damage to organs through prolonged or repeated exposure
- H400 Very toxic to aquatic life
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P220 Keep/Store away from clothing/combustible materials
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- IKO4
- K (I O4)
- Periodic acid (HIO4), potassium salt
- Periodic acid (HIO4), potassium salt (1:1)
- POTASSIUM IODATE (KIO4)
- POTASSIUM METAPERIODATE
Frequently asked questions
What is potassium periodate used for?
Potassium periodate is primarily used as an oxidizing agent in organic synthesis and as a reagent in analytical chemistry for iodine determination.
What is the chemical formula and molecular weight of potassium periodate?
The chemical formula is KIO4 and the molecular weight is 230.00 g/mol.
How should potassium periodate be stored?
It should be stored at ambient temperature in a dry, well-ventilated area away from incompatible materials.
What grade of potassium periodate does Molekula supply?
Molekula supplies potassium periodate in reagent grade.
Can Molekula supply potassium periodate in bulk?
Yes, Molekula can supply potassium periodate in bulk quantities—please contact our sales team for details.
What documentation comes with a purchase of potassium periodate?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.