[4-(4-Methyl-1-piperazinyl)phenyl]boronic acid

Also known as: 4-(4-Methyl-1-piperazinyl)phenylboronic Acid, 4-(4-Methyl-1-piperazinyl)phenylboronic Acid (contains varying amounts of Anhydride), 4-(4-Methylpiperazin-1-yl)phenylboronic Acid, 4-(4-Methylpiperazino)benzeneboronic acid, 4-(N-Methylpiperazin-1-yl)phenylboronic acid, Boronic acid, B-[4-(4-methyl-1-piperazinyl)phenyl]-, [4-(4-Methylpiperazin-1-yl)phenyl]boronic acid

[4-(4-Methyl-1-piperazinyl)phenyl]boronic acid (CAS 229009-40-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H17BN2O2 and a molecular weight of 220.076 g/mol. Key properties include a boiling point of 406.2±55.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 199.5±31.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 229009-40-9
Jingsj CID: J-1340939-7
Molecular Formula: C₁₁H₁₇BN₂O₂
Molecular Weight: 220.076 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	406.2±55.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	199.5±31.5 °C
Exact Mass	220.138306
PSA	46.94000
LogP	1.17
Vapor Pressure	0.0±1.0 mmHg at 25°C
Refractive Index	1.594
Storage Conditions	2-8°C

Customs & Trade Information

HS Code	2933599090
Summary	2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of [4-(4-Methyl-1-piperazinyl)phenyl]boronic acid?

The CAS number of [4-(4-Methyl-1-piperazinyl)phenyl]boronic acid is 229009-40-9.

What are the molecular formula and molecular weight of [4-(4-Methyl-1-piperazinyl)phenyl]boronic acid?

[4-(4-Methyl-1-piperazinyl)phenyl]boronic acid has molecular formula C11H17BN2O2 and molecular weight 220.076 g/mol.

What are the upstream and downstream products of [4-(4-Methyl-1-piperazinyl)phenyl]boronic acid?

For [4-(4-Methyl-1-piperazinyl)phenyl]boronic acid, Upstream Products: Triisopropyl borate, 1-(4-Bromophenyl)-4-methylpiperazine.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "[4-(4-Methyl-1-piperazinyl)phenyl]boronic acid (CAS 229009-40-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1340939-7 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.