Tin(IV) iodide
Tin(IV) iodide (CAS: 7790-47-8), with the chemical formula SnI₄, is a compound of tin and iodine. This anhydrous, powdered substance is primarily utilised in materials science and chemical research, particularly for applications involving tin-based compounds and high-purity materials. Its specific properties make it a valuable reagent for various synthesis and analytical procedures.
- IUPAC
- Stannic iodide
- Synonyms
- Stannic iodide

Materials Science Research
Tin(IV) iodide serves as a precursor in the development of novel materials. Its application is noted in areas requiring precise control over tin incorporation into advanced material structures.
Chemical Synthesis
This compound is employed as a reagent in organic and inorganic synthesis. It is particularly useful for introducing tin into various molecular frameworks or for producing other organotin compounds.
High-Purity Material Development
Utilised in the creation of ultra-high purity materials, SnI₄ facilitates research into advanced electronics and semiconductor applications where stringent purity levels are essential.
| Molecular weight | 626.33 |
|---|---|
| Linear formula | SnI4 |
| Assay | 99.999% trace metals basis |
| Grade | anhydrous |
| Form | powder |
| Density | 4.47 g/mL at 25 °C(lit.) |



Hazard statements
- H302Harmful if swallowed
- H314Causes severe skin burns and eye damage
- H317May cause an allergic skin reaction
- H334May cause allergy or asthma symptoms if inhaled
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 3260 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 20/21/22-34-42/43 |
| Safety statements (S) | 26-28-36/37/39-45 |
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 Tin(IV) iodide used for?
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Tin(IV) iodide (SnI₄) is used in materials science research, chemical synthesis, and the development of ultra-high purity materials. It acts as a precursor or reagent for introducing tin into various structures and compounds.
What are the CAS number and chemical formula for Tin(IV) iodide?
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The CAS number for Tin(IV) iodide is 7790-47-8, and its chemical formula is SnI₄.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Tin(IV) iodide in an anhydrous grade with an assay of 99.999% trace metals basis. We do not represent this product as USP, BP, or EP grade.
How should Tin(IV) iodide be handled safely?
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Tin(IV) iodide is a dangerous substance. It is harmful if swallowed, in contact with skin, or if inhaled, and causes severe skin burns and eye damage. It may also cause allergy or asthma symptoms or breathing difficulties if inhaled and may cause an allergic skin reaction. Appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection, must be used.
Is Tin(IV) iodide available for export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including Tin(IV) iodide.
How can I request a quote or sample?
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To request a quote or a sample of Tin(IV) iodide, please contact our sales team via the website or direct email. We will respond promptly to your inquiry.
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