Tech Serve Solutions

4-Ethylphenylboronic acid

CAS 63139-21-9C2H5C6H4B(OH)2Chemical Synthesis

4-Ethylphenylboronic acid (CAS 63139-21-9), molecular formula C2H5C6H4B(OH)2, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to pharmacopoeia specification (USP, BP, EP). Every batch is tested and ships with a Certificate of Analysis; MSDS and technical data sheets are available on request. Tech Serve Solutions has supplied laboratory reagents, fine chemicals and pharmaceutical intermediates worldwide since 1998.

IUPAC
(ρ-Ethylphenyl)boronic acid,4-Ethylbenzeneboronic acid
4-Ethylphenylboronic acid
Aryl Boronic AcidsBoronic AcidsChemical Synthesis
01 /Properties
Molecular weight149.98
Linear formulaC2H5C6H4B(OH)2
ApplicationReactant for:• Suzuki-Miyaura cross-coupling reactions1,2,3,4
Melting point150-155 °C(lit.)
02 /Safety & handling
Protective equipmentEyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
Water hazard class (WGK, DE)3

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

03 /Identifiers & registry
CAS number
63139-21-9
MDL number
MFCD00859377
PubChem substance
24873287
04 /Quality & supply

Documentation

Supplied to USP, BP and EP standards. Every batch ships with a Certificate of Analysis (assay, identity, purity); MSDS 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.

05 /Frequently asked questions

What is 4-Ethylphenylboronic acid?

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4-Ethylphenylboronic acid (CAS 63139-21-9), molecular formula C2H5C6H4B(OH)2, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to USP, BP and EP standards.

What grades of 4-Ethylphenylboronic acid does Tech Serve Solutions supply?

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Tech Serve Solutions supplies 4-Ethylphenylboronic acid in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.

What is the CAS number and molecular formula of 4-Ethylphenylboronic acid?

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4-Ethylphenylboronic acid has CAS number 63139-21-9 and molecular formula C2H5C6H4B(OH)2. Full specifications appear in the table above and in the Certificate of Analysis.

What is the typical minimum order quantity and lead time for 4-Ethylphenylboronic acid?

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Sample quantities are available for technical evaluation; bulk MOQ depends on grade and packaging. In-stock material typically ships in 7–10 working days; custom-spec orders take 3–4 weeks. Tech Serve Solutions ships worldwide with full export documentation.

Do you provide a Certificate of Analysis (CoA) with each shipment?

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Yes. Every batch of 4-Ethylphenylboronic acid ships with a Certificate of Analysis covering assay, identity and purity tests, plus pharmacopoeia conformance where applicable. MSDS and TDS documents are available on request before order placement.

How should 4-Ethylphenylboronic acid be stored?

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Store 4-Ethylphenylboronic acid in its original sealed container in a cool, dry place away from direct sunlight and incompatible materials, in line with the storage guidance on the Safety Data Sheet. Reseal between dispensings.

What is 4-Ethylphenylboronic acid used for?

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4-Ethylphenylboronic acid is used in chemical synthesis applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.

How do I request a quote for 4-Ethylphenylboronic acid?

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Request a quote with your required grade, quantity and destination via https://www.techservesolutions.in/contact or email info@techservesolutions.in. We respond with specifications, a Certificate of Analysis and pricing.

Need 4-Ethylphenylboronic acid in a specific grade or volume?

Request a quote