Determine the necessary mass, volume, or concentration for preparing a solution.
≥95% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Store at 2-8°C,Argon charged Ships Wet ice Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
| Pubchem Sid | 508808027 |
|---|---|
| Canonical Smiles | B1(OC(C(O1)(C)C)(C)C)C#C |
| IUPAC Name | 2-ethynyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane |
| InChIKey | ZEOXJIIUMORBNN-UHFFFAOYSA-N |
| INCHI | 1S/C8H13BO2/c1-6-9-10-7(2,3)8(4,5)11-9/h1H,2-5H3 |
| Isomeric SMILES | B1(OC(C(O1)(C)C)(C)C)C#C |
| Molecular Weight | 151.999 |
| Reaxy-Rn | 8830145 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=8830145&ln= |
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Organic acids and derivatives |
| Class | Boronic acid derivatives |
| Subclass | Boronic acid esters |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Boronic acid esters |
| Alternative Parents | Dioxaborolanes Oxacyclic compounds Organic metalloid salts Acetylides Organooxygen compounds Organoboron compounds Hydrocarbon derivatives |
| Molecular Framework | Aliphatic heteromonocyclic compounds |
| Substituents | 1,3,2-dioxaborolane - Boronic acid ester - Acetylide - Oxacycle - Organic metalloid salt - Organoheterocyclic compound - Organic oxygen compound - Hydrocarbon derivative - Organic salt - Organooxygen compound - Organoboron compound - Aliphatic heteromonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as boronic acid esters. These are compounds comprising the boronic acid ester functional group RN(X)OR' (R,R'=alkyl, aryl; X= any O, N, Hal residue). |
| External Descriptors | Not available |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
| Certificate of Analysis | Sep 17, 2026 | E136568 | |
| Certificate of Analysis | Sep 02, 2026 | E136568 | |
| Certificate of Analysis | Aug 07, 2024 | E136568 | |
| Certificate of Analysis | Jul 22, 2022 | E136568 | |
| Certificate of Analysis | Jul 22, 2022 | E136568 | |
| Certificate of Analysis | Jun 17, 2022 | E136568 |
| Sensitivity | Heat & Moisture sensitive |
|---|---|
| Refractive Index | 1.43 |
| Flash Point(°C) | 34 °C |
| Boil Point(°C) | 140 °C/21.5 mmHg |
| Molecular Weight | 152.000 g/mol |
| XLogP3 | |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 1 |
| Exact Mass | 152.101 Da |
| Monoisotopic Mass | 152.101 Da |
| Topological Polar Surface Area | 18.500 Ų |
| Heavy Atom Count | 11 |
| Formal Charge | 0 |
| Complexity | 195.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 1 |