4-(Trifluoromethoxy)phenylboronic acid, 95% 139301-27-2

About 4-(Trifluoromethoxy)phenylboronic acid, 95%

4-(Trifluoromethoxy)phenylboronic acid is a boronic acid building block carrying the CAS registry number 139301-27-2 at a purity of 97%. With the molecular formula C7H6BF3O3, it has a molar mass of 205.93 g/mol. Common synonyms include 4-(Trifluoromethoxy)benzeneboronic acid and 4-Trifluoromethoxyphenylboronic acid.

The material typically appears as white to orange to brown powder or crystals or chunks. Literature values give a melting point of 123-127 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Typical applications include organic synthesis and API synthesis. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Available in 1 g, 5 g, 25 g and 100 g packs, 4-(Trifluoromethoxy)phenylboronic acid is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	4-(Trifluoromethoxy)phenylboronic acid, 95%
Catalogue No.	VQ-011047
CAS Number	139301-27-2
IUPAC name	[4-(trifluoromethoxy)phenyl]boronic acid
Molecular formula	C₇H₆BF₃O₃
Molecular weight	205.93 g/mol
Exact mass	206.0362
Purity / assay	97%
HSN code	29332990
InChIKey	HUOFUOCSQCYFPW-UHFFFAOYSA-N
SMILES	B(C1=CC=C(C=C1)OC(F)(F)F)(O)O
PubChem CID	2734386

Physical properties
Physical form	Crystalline
Appearance	White to orange to brown powder or crystals or chunks
Melting point	123-127 °C
H-bond donors / acceptors	2 / 6
TPSA	49.7 Å²
Synonyms	4-(Trifluoromethoxy)benzeneboronic acid, 4-Trifluoromethoxyphenylboronic acid, (4-(trifluoromethoxy)phenyl)boronic acid, Boronic acid, B-[4-(trifluoromethoxy)phenyl]-, p-(trifluoromethoxy)phenylboronic acid, 4-(Trifluoromethoxy)phenylboronic acid (contains varying amounts of Anhydride), [4-(Trifluoromethoxy)Phenyl]Boranediol, [4-(trifluoromethoxy)-phenyl]boronic acid, Boronic acid, [4-(trifluoromethoxy)phenyl]-, 4-trifluoromethoxybenzeneboronic acid, 4-trifluoromethoxylphenylboronic acid, 4-trifluoromethoxy phenylboronic acid

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, 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-(Trifluoromethoxy)phenylboronic acid, 95%?

The CAS Registry Number of 4-(Trifluoromethoxy)phenylboronic acid, 95% is 139301-27-2. It is also known as 4-(Trifluoromethoxy)benzeneboronic acid, 4-Trifluoromethoxyphenylboronic acid, (4-(trifluoromethoxy)phenyl)boronic acid.

What is the molecular formula and molecular weight of 4-(Trifluoromethoxy)phenylboronic acid, 95%?

4-(Trifluoromethoxy)phenylboronic acid, 95% has the molecular formula C7H6BF3O3 and a molecular weight of 205.93 g/mol. Its IUPAC name is [4-(trifluoromethoxy)phenyl]boronic acid.

Which grade and pack sizes of 4-(Trifluoromethoxy)phenylboronic acid, 95% can I order?

We supply 4-(Trifluoromethoxy)phenylboronic acid, 95% in (97%) grade, in 1 g, 5 g, 25 g, 100 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 4-(Trifluoromethoxy)phenylboronic acid, 95%?

Yes. Every lot of 4-(Trifluoromethoxy)phenylboronic acid, 95% 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-(Trifluoromethoxy)phenylboronic acid, 95% be shipped internationally?

Yes. 4-(Trifluoromethoxy)phenylboronic acid, 95% 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.