4-Chlorobutyl benzoate
4-Chlorobutyl benzoate (CAS 946-02-1) is an organic ester with the chemical formula C6H5CO2(CH2)4Cl and a molecular weight of 212.67 g/mol. This compound serves as a valuable building block in organic synthesis. It is utilized in the creation of more complex molecules, functioning as a precursor in various chemical transformations. Its properties make it suitable for research and development applications within the chemical industry.

Organic Synthesis Intermediate
4-Chlorobutyl benzoate is employed as a versatile intermediate in the synthesis of diverse organic compounds. Its structure allows for further functionalization, making it a useful starting material in multi-step reaction pathways.
Chemical Research and Development
This compound finds application in laboratory settings for R&D purposes. It is used to explore new synthetic routes and develop novel chemical entities.
Esterification Reactions
As an ester, it can participate in reactions involving ester functionalities, serving as a reagent or building block where a benzoate ester with a reactive chlorobutyl chain is required.
| Molecular weight | 212.67 |
|---|---|
| Linear formula | C6H5CO2(CH2)4Cl |
| Assay | 97% |
| Boiling point | 176-178 °C/20 mmHg(lit.) |
| Density | 1.143 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.519(lit.) |

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 | 113 °C / 235.4 °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 4-Chlorobutyl benzoate used for?
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4-Chlorobutyl benzoate is used as an intermediate in organic synthesis and for chemical research and development purposes.
What is the CAS number and chemical formula for 4-Chlorobutyl benzoate?
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The CAS number is 946-02-1 and the chemical formula is C6H5CO2(CH2)4Cl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Chlorobutyl benzoate with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
What are the safety concerns when handling 4-Chlorobutyl benzoate?
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4-Chlorobutyl benzoate is a Warning substance (GHS07) and carries hazard statements H315 (causes skin irritation), H319 (causes serious eye irritation), and H335 (may cause respiratory irritation). Appropriate personal protective equipment, including eyeshields and gloves, should be used, and handling should occur in a well-ventilated area. Refer to the safety data sheet for comprehensive handling information.
How is 4-Chlorobutyl benzoate packed, shipped, and exported?
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Tech Serve Solutions packs, ships, and exports chemicals according to international safety and transport regulations. Specific packaging details are available upon request.
How can I request a sample or quote for 4-Chlorobutyl benzoate?
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To request a sample or quote for 4-Chlorobutyl benzoate, please contact our sales team through the website or by phone.
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