Hydriodic acid
Hydriodic acid (CAS: 10034-85-2, Formula: HI, Molar Mass: 127.91) is a strong acid that is a solution of hydrogen iodide in water. It is a colourless to yellowish liquid, which may darken on exposure to air and light due to the formation of iodine. It is a key reagent in organic synthesis and a strong reducing agent, finding applications in chemical manufacturing and research.
- IUPAC
- Hydriotic acid
Chemical Synthesis
Hydriodic acid is extensively used as a reagent in organic synthesis for reactions such as alkyl halide formation and reduction of organic compounds. Its strong reducing properties are essential for various synthetic pathways.
Reducing Agent
As a powerful reducing agent, it is employed in specific chemical processes where the reduction of functional groups is required. This includes dealkylation reactions and the reduction of certain organic functional groups.
Analytical Chemistry
Hydriodic acid serves as an analytical reagent in laboratories for various titrations and qualitative analyses. Its precise reactivity makes it valuable for accurate chemical determination.
Materials Science Research
It finds application in materials science research, particularly in the development of perovskite materials. Hydriodic acid is a critical precursor in the synthesis of certain photovoltaic materials.
| Molecular weight | 127.91 |
|---|---|
| Empirical formula | HI |
| Assay | ≥47% (T) |
| Grade | ACS reagent |
| Boiling point | 127 °C(lit.) |
| Density | 1.7 g/mL at 25 °C |
| Storage temperature | 2-8°C |
| Contains / stabiliser | hypophosphorous acid as stabilizer<1.5% H3PO2 as stabilizer |
| Impurities tested | ≤0.75% I2 |
Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Transport (UN / ADR) | UN 1787 8 / PGII |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 26-45 |
| Anion traces | bromide, chloride (as Cl-): ≤500 mg/kgsulfate (SO42-): ≤50 mg/kg |
| Ignition residue | ≤0.01% |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Does Not Contain | stabilizer |
|---|
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 Hydriodic acid used for?
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Hydriodic acid is used in chemical synthesis as a reagent and a reducing agent, in analytical chemistry, and in materials science research, particularly for perovskite materials.
What is the CAS number and formula for Hydriodic acid?
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The CAS number is 10034-85-2 and the chemical formula is HI.
What grade and purity does Tech Serve Solutions supply for Hydriodic acid?
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Tech Serve Solutions supplies Hydriodic acid in ACS reagent grade with an assay of ≥47% (T).
How should Hydriodic acid be handled safely?
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Hydriodic acid is a Danger hazard (GHS05) causing severe skin burns and eye damage (H314). Always wear appropriate personal protective equipment, including gloves, goggles, and a full-face shield or respirator, and handle in a well-ventilated area.
Is Hydriodic acid a controlled substance?
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The provided data does not indicate that Hydriodic acid is a controlled substance.
How is Hydriodic acid packed, shipped, and exported?
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Hydriodic acid is shipped as UN 1787, Hazard Class 8, Packing Group II, and is exported globally by Tech Serve Solutions in compliance with all regulations.
How can I request a quote or sample for Hydriodic acid?
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Please contact our sales team via the website or phone to request a quote or sample for Hydriodic acid.
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