2-[[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]methyl]isoindoline-1,3-dione

Also known as: (4-Phthalimidomethylphenyl)boronic acid pinacol ester, 2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl)isoindoline-1,3-dione, 2-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl]-1H-isoindole-1,3(2H)-dione, 2-[[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]methyl]isoindole-1,3-dione, 4-(N-Phthalimidomethyl)benzeneboronic acid pinacol ester, 4-(Phthalimidomethyl)benzeneboronic acid pinacol ester, 4-Phthalimidomethylphenylboronic acid pinacol ester, Phthalimido 4-benzylboronic acid pinacol ester

2-[[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]methyl]isoindoline-1,3-dione (CAS 138500-87-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C21H22BNO4 and a molecular weight of 363.21500 g/mol. Key properties include a melting point of 155-158ºC, a boiling point of 504ºC at 760mmHg, a density of 1.23g/cm3 and a flash point of 258.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 138500-87-5
Jingsj CID: J-1908540-6
Molecular Formula: C₂₁H₂₂BNO₄
Molecular Weight: 363.21500 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	155-158ºC
Boiling Point	504ºC at 760mmHg
Density	1.23g/cm3
Flash Point	258.6ºC
Exact Mass	363.16400
PSA	55.84000
LogP	2.71990
Vapor Pressure	2.76E-10mmHg at 25°C
Refractive Index	1.596
Storage Conditions	2-8°C

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. 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 2-[[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]methyl]isoindoline-1,3-dione?

The CAS number of 2-[[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]methyl]isoindoline-1,3-dione is 138500-87-5.

What are the molecular formula and molecular weight of 2-[[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]methyl]isoindoline-1,3-dione?

2-[[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]methyl]isoindoline-1,3-dione has molecular formula C21H22BNO4 and molecular weight 363.21500 g/mol.

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. "2-[[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]methyl]isoindoline-1,3-dione (CAS 138500-87-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1908540-6 (accessed 2026-11-09).

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