Molekula
Iodic acid
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
Iodic acid is a strong oxidizing agent with the chemical formula HIO₃, primarily used in analytical chemistry, as an oxidant in organic synthesis, and in the production of iodine-based pharmaceuticals. It appears as white, hygroscopic crystals that dissolve readily in water. This chemical has a CAS number of 7782-68-5, a molecular weight of 175.91, and requires ambient storage. It carries a **Danger** signal word due to its corrosive and oxidizing properties. Molekula supplies iodic acid 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.
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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25 g — £38.90 per pack ex VAT · £46.68 inc. VAT
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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 crystalline |
| Heavy metals | ≤0.001% |
| Purity | ≥99% |
| Residue on Ignition | ≤0.05% |
| Iron (Fe) | ≤0.003% |
| Sulphates (SO4)(2-) | ≤0.05% |
| Total nitrogen (N) | ≤0.01% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 5.1 (8) |
| Packing Group | II |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 90027091 |
| CAS Number | 7782-68-5 |
| IUPAC Name | iodic acid |
| EC Number | 231-962-1 |
| Molecular Formula | HIO3 |
| Molecular Weight | 175.91 |
| Exact Mass | 175.897 |
| SMILES | OI(=O)=O |
| InChIKey | ICIWUVCWSCSTAQ-UHFFFAOYSA-N |
| InChI | InChI=1S/HIO3/c2-1(3)4/h(H,2,3,4) |
| PubChem CID | 24345 |
| UN Number | UN3085 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2811196190 |
| Tariff Code | 2811198090 |
Safety & GHS
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Oxidizing
GHS03
-
Corrosive
GHS05
Hazard statements
- H272 May intensify fire; oxidizer
- H290 May be corrosive to metals
- H314 (sub cat. 1B) Causes severe skin burns and eye damage
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P220 Keep/Store away from clothing/combustible materials
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
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
- HIO3
- HOIO2
- hydrogen trioxoiodate
- hydroxidodioxidoiodine
- hydroxy-lambda(5)-iodanedione
- Iodic acid (HIO3)
- Iodsaeure
- Monoiodic acid
- trioxidoiodine(.)
- trioxoiodic acid
Frequently asked questions
What is iodic acid (HIO₃) commonly used for?
Iodic acid is primarily used as an oxidizing agent, in analytical chemistry for titrations, and in the production of other iodine compounds, including pharmaceuticals and disinfectants.
What is the molecular formula and molecular weight of iodic acid?
The molecular formula is **HIO₃**, and the molecular weight is **175.91 g/mol**.
What safety classification does iodic acid fall under?
Iodic acid is classified with the **Signal Word: Danger** due to its hazardous properties, including oxidative effects and potential toxicity.
How should iodic acid be stored?
Store iodic acid at **ambient temperature** in a cool, dry place, away from incompatible substances like reducing agents or organic materials.
Does Molekula supply iodic acid in bulk quantities?
Yes, Molekula can supply iodic acid in bulk, with quantities tailored to your specific requirements—please contact us for pricing and availability.
What documentation is provided with an order of iodic acid?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS/SDS)**, and **batch-specific documentation** for traceability.
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.