4-Vinylbenzeneboronic acid, 97%

About 4-Vinylbenzeneboronic acid, 97%

4-Vinylbenzeneboronic acid is a boronic acid building block carrying the CAS registry number 2156-04-9 with a typical assay of 97%. Formula C8H9BO2, molecular weight 147.97 g/mol. The IUPAC name is (4-ethenylphenyl)boronic acid. Common synonyms include 4-Vinylphenylboronic acid and (4-vinylphenyl)boronic acid.

It is supplied as white to almost white powder or crystals. Store in a tightly closed container in a cool, dry and well-ventilated place. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Typical applications include organic synthesis and API synthesis. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

We offer 4-Vinylbenzeneboronic acid in 5 g and 25 g packs with a batch-specific COA, and ship to customers worldwide. SDS and detailed specification sheets can be requested with your quotation.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	4-Vinylbenzeneboronic acid, 97%
Catalogue No.	VQ-011057
CAS Number	2156-04-9
IUPAC name	(4-ethenylphenyl)boronic acid
Molecular formula	C₈H₉BO₂
Molecular weight	147.97 g/mol
Exact mass	148.0696
Purity / assay	97%
HSN code	29420090
InChIKey	QWMJEUJXWVZSAG-UHFFFAOYSA-N
SMILES	B(C1=CC=C(C=C1)C=C)(O)O
PubChem CID	2734393

Physical properties
Physical form	Crystalline
Appearance	White to almost white powder or crystals
H-bond donors / acceptors	2 / 2
TPSA	40.5 Å²
Synonyms	4-Vinylphenylboronic acid, (4-vinylphenyl)boronic acid, Boronic acid, (4-ethenylphenyl)-, p-Styrylboronic Acid, 4-Vinyl-phenylboronic acid, 4-vinyl-phenyl-boronic acid, (4-vinylphen, 4-vinylboronic acid, 4-styreneboronic acid, 4-Vinylphenyl boronic acid, 4-ethenylbenzeneboronic acid, 4-vinyl phenyl boronic acid

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P317, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 4-Vinylbenzeneboronic acid, 97%?

The CAS Registry Number of 4-Vinylbenzeneboronic acid, 97% is 2156-04-9. It is also known as 4-Vinylphenylboronic acid, (4-vinylphenyl)boronic acid, Boronic acid, (4-ethenylphenyl)-.

What is the molecular formula and molecular weight of 4-Vinylbenzeneboronic acid, 97%?

4-Vinylbenzeneboronic acid, 97% has the molecular formula C8H9BO2 and a molecular weight of 147.97 g/mol. Its IUPAC name is (4-ethenylphenyl)boronic acid.

Which grade and pack sizes of 4-Vinylbenzeneboronic acid, 97% can I order?

We supply 4-Vinylbenzeneboronic acid, 97% in (97%) grade, in 5 g, 25 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 4-Vinylbenzeneboronic acid, 97%?

Yes. Every lot of 4-Vinylbenzeneboronic acid, 97% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 4-Vinylbenzeneboronic acid, 97% be shipped internationally?

Yes. 4-Vinylbenzeneboronic acid, 97% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.