Skip to main content
Jingsj
.mol.sdf

Trimethyl((4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethynyl)silane

Also known as: 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenylethynyltrimethylsilane, 4-[(Trimethylsilyl)ethynyl]phenylboronic acid pinacol ester, 4-[(Trimethylsilyl)ethynyl]phenylboronic acid pinacol ester 97%, 4-[2-(Trimethylsilyl)ethynyl]benzeneboronic acid pinacol ester, 2-(4-Trimethylsilylethynylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, Trimethyl[2-[4-(tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]ethynyl]silane

Trimethyl((4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethynyl)silane (CAS 870238-65-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C17H25BO2Si and a molecular weight of 300.27600 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
870238-65-6
Jingsj CID
J-1062026-5
Molecular Formula
C17H25BO2Si
Molecular Weight
300.27600 g/mol
Category
Organic Acids
Last updated
8/21/2026
Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Exact Mass300.17200
PSA18.46000
LogP3.21470

Customs & Trade Information

HS Code2934999090
Summary2934999090. 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 Trimethyl((4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethynyl)silane?

The CAS number of Trimethyl((4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethynyl)silane is 870238-65-6.

What are the molecular formula and molecular weight of Trimethyl((4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethynyl)silane?

Trimethyl((4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethynyl)silane has molecular formula C17H25BO2Si and molecular weight 300.27600 g/mol.

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

Last updated:

How to cite: Jingsj. "Trimethyl((4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethynyl)silane (CAS 870238-65-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1062026-5 (accessed 2026-11-09).

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