Skip to Content
Merck
All Photos(2)

Key Documents

Safety Information

721433

Sigma-Aldrich

4-Ethynylphenylboronic acid pinacol ester

95%

Synonym(s):

2-(4-Ethynylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

Sign Into View Organizational & Contract Pricing


About This Item

Empirical Formula (Hill Notation):
C14H17BO2
CAS Number:
Molecular Weight:
228.09
MDL number:
UNSPSC Code:
12352103
PubChem Substance ID:
NACRES:
NA.22

Assay

95%

form

solid

mp

66-70 °C

SMILES string

CC1(C)OB(OC1(C)C)c2ccc(cc2)C#C

InChI

1S/C14H17BO2/c1-6-11-7-9-12(10-8-11)15-16-13(2,3)14(4,5)17-15/h1,7-10H,2-5H3

InChI key

LOVNTFMVZVIASV-UHFFFAOYSA-N

Application

4-Ethynylphenylboronic acid pinacol ester can be used:
  • For the functionalization of platinum nanoparticles to leverage their photoluminescence properties.
  • As an intermediate in the synthesis of covalent heterodyads of chlorophyll derivatives applicable as supramolecular light-harvesting systems.
  • As an intermediate in the preparation of F-18 radiolabeled galectin-3 inhibitors, which are used as surrogate positron emission tomography (PET) tracers of TD139 and GB1107.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

721433-1G:
721433-BULK:
721433-VAR:


Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service