1-Chloro-4-iodobutane
1-Chloro-4-iodobutane (CAS: 10297-05-9), with the molecular formula I(CH2)4Cl and a molar mass of 218.46 g/mol, is a halogenated hydrocarbon. This bifunctional organic compound serves as a versatile building block in chemical synthesis. It is primarily utilised in organic chemistry for the introduction of a 4-chlorobutyl or a 4-iodobutyl moiety into various molecules, facilitating the construction of more complex organic structures.

Organic Synthesis Intermediate
1-Chloro-4-iodobutane acts as a key intermediate in the synthesis of diverse organic compounds. Its dual halogen functionality allows for selective reactions, making it valuable in multi-step synthetic pathways.
Pharmaceutical Research
This compound finds application in pharmaceutical research and development as a building block for creating novel drug candidates. It enables the modification of existing molecular frameworks or the construction of entirely new chemical entities.
Material Science
In material science, 1-Chloro-4-iodobutane can be employed in the synthesis of functionalised polymers and advanced materials, leveraging its specific chemical reactivity to tailor material properties.
| Molecular weight | 218.46 |
|---|---|
| Linear formula | I(CH2)4Cl |
| Assay | 98% |
| Boiling point | 88-89 °C/19 mmHg(lit.) |
| Density | 1.785 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.54(lit.) |
| Contains / stabiliser | copper as stabilizer |

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 | 93 °C / 199.4 °F |
| Water hazard class (WGK, DE) | 3 |
| 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 1-Chloro-4-iodobutane primarily used for?
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1-Chloro-4-iodobutane is primarily used as an intermediate in organic synthesis and in pharmaceutical research for the construction of complex molecules and novel drug candidates.
What are the CAS number and formula for 1-Chloro-4-iodobutane?
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The CAS number for 1-Chloro-4-iodobutane is 10297-05-9 and its molecular formula is I(CH2)4Cl.
What grade and purity does Tech Serve Solutions supply for 1-Chloro-4-iodobutane?
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Tech Serve Solutions supplies 1-Chloro-4-iodobutane with an assay of 98%. This is a technical grade material and is not represented as USP, BP, or EP grade.
What are the main safety hazards associated with 1-Chloro-4-iodobutane?
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1-Chloro-4-iodobutane is a Warning substance that causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including eyeshields and gloves, should be used, and handling should occur in a well-ventilated area or with a suitable respirator.
How is 1-Chloro-4-iodobutane supplied and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 1-Chloro-4-iodobutane, ensuring reliable delivery worldwide.
How can I request a quote or sample of 1-Chloro-4-iodobutane?
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To request a quote or sample of 1-Chloro-4-iodobutane, please contact the Tech Serve Solutions sales team through our website or by phone.
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