2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

Also known as: Isopropoxyboronic acid pinacol ester, 2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, MFCD00192241, 4,4,5,5-tetramethyl-2-propan-2-yloxy-1,3,2-dioxaborolane, Isopropoxyboronic acid pinacol cyclic ester

2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 61676-62-8) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H19BO3 and a molecular weight of 186.056 g/mol. Key properties include a boiling point of 73 ºC (15 mmHg), a density of 0.912 and a flash point of 43 ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 61676-62-8
Jingsj CID: J-36713-5
Molecular Formula: C₉H₁₉BO₃
Molecular Weight: 186.056 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	73 ºC (15 mmHg)
Density	0.912
Flash Point	43 ºC
Exact Mass	186.142731
PSA	27.69000
LogP	2.00030
Vapor Pressure	4.9±0.3 mmHg at 25°C
Refractive Index	1.409

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-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane?

The CAS number of 2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane is 61676-62-8.

What are the molecular formula and molecular weight of 2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane?

2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane has molecular formula C9H19BO3 and molecular weight 186.056 g/mol.

What are the upstream and downstream products of 2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane?

For 2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, Upstream Products: 2,3-Dimethyl-2,3-butanediol, Triisopropyl borate, Isopropanol; Downstream Products: 2-(3,4-dibromophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 4,4,5,5-tetramethyl-2-(4-methyl-3-penten-1-yl)-1,3,2-dioxaborolane, 5-Methylthiophene-2-boronic acid pinacol ester.

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-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 61676-62-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-36713-5 (accessed 2026-11-09).

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