3-Iodotoluene
3-Iodotoluene (CAS 625-95-6, formula CH3C6H4I) is a halogenated aromatic hydrocarbon with a molecular weight of 218.03 g/mol. This compound serves as a valuable building block in organic synthesis. Its primary documented application involves its use in the preparation of indene derivatives, showcasing its utility in creating more complex molecular structures for chemical research and development.
- IUPAC
- 1-Iodo-3-methylbenzene

Synthesis of Indene Derivatives
3-Iodotoluene has been utilised as a reactant in the preparation of various indene derivatives. This application highlights its role as a key intermediate in constructing fused ring systems within organic chemistry.
Organic Building Block
As an aryl halide, 3-Iodotoluene functions as a versatile building block in organic synthesis. It can participate in a range of coupling reactions and functional group transformations.
Halogenated Aromatic Compound
This compound belongs to the class of halogenated hydrocarbons, offering specific reactivity patterns useful in targeted chemical synthesis pathways.
| Molecular weight | 218.03 |
|---|---|
| Linear formula | CH3C6H4I |
| Assay | 99% |
| Boiling point | 80-82 °C/10 mmHg(lit.) |
| Density | 1.698 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.604(lit.) |
| Application | 3-Iodotoluene (1-Iodo-3-methylbenzene) was used in the preparartion of indene derivatives1. |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 83 °C / 181.4 °F |
| Transport (UN / ADR) | NA 1993 / PGIII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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 3-Iodotoluene used for?
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3-Iodotoluene is primarily used as a building block in organic synthesis, notably in the preparation of indene derivatives. It is a valuable intermediate for chemical research and development.
What is the CAS number and chemical formula for 3-Iodotoluene?
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The CAS number for 3-Iodotoluene is 625-95-6, and its chemical formula is CH3C6H4I.
What grade and purity does Tech Serve Solutions supply for 3-Iodotoluene?
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Tech Serve Solutions supplies 3-Iodotoluene with an assay of 99%. This is a technical/research grade material, and TSS does not represent it as USP, BP, or EP.
How should 3-Iodotoluene be handled safely?
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3-Iodotoluene is classified as a Warning substance, with hazards including skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment such as eyeshields, gloves, and suitable respiratory protection should be used. Handle in a well-ventilated area and avoid inhalation of vapours. Refer to the Safety Data Sheet for comprehensive handling information.
How is 3-Iodotoluene packed and shipped?
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3-Iodotoluene is packed and shipped in compliance with relevant regulations, classified under NA 1993, Packing Group III.
How can I request a quote or sample for 3-Iodotoluene?
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To request a quote or sample for 3-Iodotoluene, please contact our sales department through the website or by phone.
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