4,4,5,5-Tetramethyl-2-(naphthalen-1-yl)-1,3,2-dioxaborolane

Also known as: 1-Naphthaleneboronic acid pinacol ester, 1-Naphthylboronic acid pinacol ester, 2-(1-Naphthyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 4,4,5,5-Tetramethyl-2-(1-naphthyl)-1,3,2-dioxaborolane, 1,3,2-Dioxaborolane, 4,4,5,5-tetramethyl-2-(1-naphthalenyl)-, MFCD05663869, Naphthalene-1-boronic acid, pinacol ester

4,4,5,5-Tetramethyl-2-(naphthalen-1-yl)-1,3,2-dioxaborolane (CAS 68716-52-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C16H19BO2 and a molecular weight of 254.132 g/mol. Key properties include a melting point of 56-58ºC, a boiling point of 378.7±11.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 182.8±19.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 68716-52-9
Jingsj CID: J-1087841-8
Molecular Formula: C₁₆H₁₉BO₂
Molecular Weight: 254.132 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	56-58ºC
Boiling Point	378.7±11.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	182.8±19.3 °C
Exact Mass	254.147812
PSA	18.46000
LogP	3.13900
Vapor Pressure	0.0±0.8 mmHg at 25°C
Refractive Index	1.558

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 4,4,5,5-Tetramethyl-2-(naphthalen-1-yl)-1,3,2-dioxaborolane?

The CAS number of 4,4,5,5-Tetramethyl-2-(naphthalen-1-yl)-1,3,2-dioxaborolane is 68716-52-9.

What are the molecular formula and molecular weight of 4,4,5,5-Tetramethyl-2-(naphthalen-1-yl)-1,3,2-dioxaborolane?

4,4,5,5-Tetramethyl-2-(naphthalen-1-yl)-1,3,2-dioxaborolane has molecular formula C16H19BO2 and molecular weight 254.132 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. "4,4,5,5-Tetramethyl-2-(naphthalen-1-yl)-1,3,2-dioxaborolane (CAS 68716-52-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1087841-8 (accessed 2026-11-09).

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