Molekula
Hydriodic acid, 57% aq. soln.
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Hydriodic acid is a strong, aqueous solution of hydrogen iodide, widely used as a reducing agent in organic synthesis, for preparing iodides, and in analytical chemistry. This 57% aqueous solution has a CAS number of 10034-85-2, molecular formula HI, and a molecular weight of 127.9124. It is stored at ambient temperatures and carries a "Danger" signal word due to its corrosive and hazardous nature. Molekula supplies Hydriodic acid, 57% aq. soln. 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
In stock — same-day dispatch
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.
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100 mL — £90.00 per pack ex VAT · £108.00 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.
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Specifications
| Property | Value |
|---|---|
| Appearance | Colourless to yellow to brown liquid |
| Assay (Titration) | 55.0 - 59.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 8 |
| Packing Group | II |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 84934648 |
| CAS Number | 10034-85-2 |
| IUPAC Name | iodane |
| EC Number | 233-109-9 |
| Molecular Formula | HI |
| Molecular Weight | 127.9124 |
| Exact Mass | 127.9123 |
| SMILES | I |
| InChIKey | XMBWDFGMSWQBCA-UHFFFAOYSA-N |
| InChI | InChI=1S/HI/h1H |
| PubChem CID | 24841 |
| UN Number | UN1787 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 28111961 |
| Tariff Code | 2811198090 |
Safety & GHS
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Corrosive
GHS05
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Hazardous to the Environment
GHS09
Hazard statements
- H290 May be corrosive to metals
- H314 (sub cat. 1A) Causes severe skin burns and eye damage
- H335 May cause respiratory irritation
- H411 Toxic to aquatic life with long lasting effects
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- 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, English (US), 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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- Acide iodhydrique
- Acido yodhidrico
- Anhydrous hydriodic acid
- HYDROGEN IODIDE
- Hydrogen iodide (HI)
- Hydrogen iodide, anhydrous
- Hydroiodic acid
- Hyriodic acid
- iodane
- Iodure d'hydrogene anhydre
Frequently asked questions
What is hydriodic acid (57% aq. solution) commonly used for?
Hydriodic acid is primarily used for reducing organic compounds, cleaving protective groups in organic synthesis, and as a reagent in analytical chemistry for iodine generation.
What is the chemical formula and molecular weight of hydriodic acid?
The chemical formula is **HI**, and the molecular weight is **127.9124 g/mol**.
How should hydriodic acid (57% aq. solution) be stored?
Store in a tightly sealed container at **ambient temperature**, away from oxidizing agents, moisture, and incompatible materials.
What grade of hydriodic acid does Molekula supply?
Molekula supplies **technical-grade hydriodic acid (57% aq. solution)** for industrial and laboratory applications.
Can Molekula supply hydriodic acid in bulk quantities?
Yes, Molekula can supply hydriodic acid in **bulk quantities** upon request, subject to availability and order specifications.
What documentation comes with an order of hydriodic acid?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a product specification sheet.
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.