2-Chloro-4-iodoaniline
2-Chloro-4-iodoaniline (CAS: 42016-93-3), with the molecular formula C6H5ClIN and a molecular weight of 253.47 g/mol, is a halogenated aromatic amine. This compound serves as a valuable building block in organic synthesis, particularly in the preparation of more complex molecules for research and development. Its structure, featuring both chlorine and iodine substituents on an aniline core, offers distinct reactivity for various chemical transformations.

Organic Synthesis Intermediate
2-Chloro-4-iodoaniline is utilised as a key intermediate in multi-step organic synthesis. Its functional groups allow for diverse coupling reactions and derivatisations.
Pharmaceutical Research
This compound can be employed in the synthesis of novel pharmaceutical candidates. The halogen atoms provide sites for further functionalisation in drug discovery programmes.
Material Science
The unique electronic and structural properties of 2-Chloro-4-iodoaniline may lend themselves to applications in the development of advanced materials.
Agrochemical Development
It serves as a precursor in the synthesis of potential agrochemical agents, contributing to the development of new crop protection solutions.
| Molecular weight | 253.47 |
|---|---|
| Empirical formula | C6H5ClIN |
| Assay | 97% |
| Melting point | 70-73 °C(lit.) |


Hazard statements
- H301Toxic if swallowed
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T,N |
| Risk statements (R) | 25-37/38-41-51/53 |
| Safety statements (S) | 26-36/37-45-60-61 |
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 2-Chloro-4-iodoaniline used for?
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2-Chloro-4-iodoaniline (CAS: 42016-93-3) is primarily used as a building block in organic synthesis, including in the research and development of pharmaceuticals, materials, and agrochemicals.
What is the CAS number and formula for 2-Chloro-4-iodoaniline?
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The CAS number for 2-Chloro-4-iodoaniline is 42016-93-3, and its empirical formula is C6H5ClIN.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Chloro-4-iodoaniline with a minimum assay of 97%. This product is intended for research and laboratory use and is not represented as USP, BP, EP, or any other pharmacopoeial grade.
How should 2-Chloro-4-iodoaniline be handled safely?
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2-Chloro-4-iodoaniline is classified as Dangerous. It is toxic if swallowed and causes skin irritation and serious eye damage, potentially irritating the respiratory tract. Appropriate personal protective equipment, including eyeshields, face shields, gloves, and suitable respirators, must be worn. Handle only in a well-ventilated area.
Is 2-Chloro-4-iodoaniline a controlled substance?
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The provided data does not indicate that 2-Chloro-4-iodoaniline is a controlled substance.
How is 2-Chloro-4-iodoaniline packed and exported?
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As a global supplier, Tech Serve Solutions ensures that 2-Chloro-4-iodoaniline is packed and exported in compliance with all relevant international shipping regulations for hazardous materials (UN 2811, 6.1/PGIII).
How can I request a sample or quote for 2-Chloro-4-iodoaniline?
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To request a sample or a quote for 2-Chloro-4-iodoaniline, please contact the Tech Serve Solutions sales team through our website or by phone, providing your specific requirements and shipping details.
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