2-Butoxyphenylboronic acid
2-Butoxyphenylboronic acid (CAS: 91129-69-0), with the molecular formula C <sub>6</sub>H<sub>4</sub>OCH <sub>2</sub>CH <sub>2</sub>CH <sub>2</sub>CH <sub>3</sub>B(OH) <sub>2</sub> and a molecular weight of 194.04 g/mol, is a valuable organometallic reagent. It serves as a key building block in organic synthesis, particularly in cross-coupling reactions. This compound is also recognised for its potential as a biologically active inhibitor, notably of hormone-sensitive lipase.

Organic Synthesis Intermediate
2-Butoxyphenylboronic acid is a versatile intermediate used in various organic transformations, including Suzuki-Miyaura coupling reactions, for the construction of complex molecular architectures.
Biochemical Research
This compound exhibits potential as a pharmacologically active agent, specifically identified as an inhibitor of hormone-sensitive lipase, making it relevant for biochemical and pharmacological studies.
Material Science
Boronic acids are frequently employed in the development of novel materials, including polymers and sensors, due to their unique reactivity and coordination properties.
| Molecular weight | 194.04 |
|---|---|
| Linear formula | C6H4OCH2CH2CH2CH3B(OH)2 |
| Application | • Potentially pharmacologically and biologically active inhibitor of hormone-sensitive lipase1 |
| Melting point | 69-73 °C(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 | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| 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 2-Butoxyphenylboronic acid used for?
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2-Butoxyphenylboronic acid is primarily used as an intermediate in organic synthesis, particularly in cross-coupling reactions. It also shows potential as a biologically active inhibitor of hormone-sensitive lipase.
What is the CAS number and formula for 2-Butoxyphenylboronic acid?
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The CAS number for 2-Butoxyphenylboronic acid is 91129-69-0, and its linear formula is C <sub>6</sub>H <sub>4</sub>OCH <sub>2</sub>CH <sub>2</sub>CH <sub>2</sub>CH <sub>3</sub>B(OH) <sub>2</sub>.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical as a research-grade reagent. The specific assay and purity are detailed in the product's Certificate of Analysis. It is not supplied as USP, BP, or EP grade.
How should 2-Butoxyphenylboronic acid be handled safely?
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2-Butoxyphenylboronic acid is a Warning substance (GHS07) with hazards H315 (causes skin irritation), H319 (causes serious eye irritation), and H335 (may cause respiratory irritation). Handle with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves. Ensure adequate ventilation, avoid breathing dust, and wash hands thoroughly after handling.
How is 2-Butoxyphenylboronic acid packed, shipped, and exported?
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Tech Serve Solutions carefully packs and prepares 2-Butoxyphenylboronic acid for safe transit, adhering to all relevant shipping regulations for global export.
How can I request a sample or quote for 2-Butoxyphenylboronic acid?
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To request a sample or a quotation for 2-Butoxyphenylboronic acid, please contact our sales team via the website or by phone, providing your specific requirements.
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