2-Ethoxy-4,4,6-trimethyl-1,3,2-dioxaborinane
2-Ethoxy-4,4,6-trimethyl-1,3,2-dioxaborinane (CAS 52386-21-7) is an organoboron compound with a molecular weight of 172.03 g/mol. It functions as a valuable reagent in organic synthesis, particularly in cross-coupling reactions and the formation of carbon-carbon bonds. Its unique structure makes it a versatile building block for more complex molecular architectures in chemical research and development.
- Synonyms
- 3,2-dioxaborinaneC8H17BO3

Organic Synthesis Reagent
This compound serves as a key intermediate in various organic transformations. It is often employed in Suzuki-Miyaura cross-coupling reactions to introduce specific alkyl or aryl groups into target molecules.
Chemical Research and Development
Utilised in academic and industrial laboratories for the synthesis of novel compounds and the exploration of new chemical pathways. Its predictable reactivity profile aids in the efficient construction of complex organic structures.
Intermediate in Pharmaceutical Synthesis
Can be used as a building block in the multi-step synthesis of active pharmaceutical ingredients (APIs), contributing to the development of new therapeutic agents.
| Molecular weight | 172.03 |
|---|---|
| Empirical formula | C8H17BO3 |
| Assay | 97% |
| Density | 0.921 g/mL at 25 °C |
| Refractive index | n20/D 1.414 |



Hazard statements
- H226Flammable liquid and vapour
- 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
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 48 °C / 118.4 °F |
| Transport (UN / ADR) | UN 1993C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 10-37/38-41 |
| Safety statements (S) | 26-39 |
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-Ethoxy-4,4,6-trimethyl-1,3,2-dioxaborinane used for?
+
This compound is primarily used as a reagent in organic synthesis, especially in cross-coupling reactions like the Suzuki-Miyaura coupling, and as a building block in chemical research and development.
What is the CAS number and molecular formula for 2-Ethoxy-4,4,6-trimethyl-1,3,2-dioxaborinane?
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The CAS number is 52386-21-7. The empirical formula (Hill notation) is C8H17BO3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Ethoxy-4,4,6-trimethyl-1,3,2-dioxaborinane with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
What are the key safety hazards associated with this chemical?
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This chemical is flammable (H226) and can cause skin irritation (H315), serious eye damage (H318), and respiratory irritation (H335). It requires appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection.
How is this chemical typically packed and shipped?
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2-Ethoxy-4,4,6-trimethyl-1,3,2-dioxaborinane is shipped according to UN 1993 regulations (C3, PGIII). Packaging is handled with care to ensure safe transport and export.
How can I request a sample or a quote for this product?
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To request a sample or a quote, please contact the TSS sales team directly through our website or by phone, providing the product name and CAS number.
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