3,3-Dimethylbenzo[c][1,2]oxaborol-1(3H)-ol

Also known as: 1,3-Dihydro-1-hydroxy-3,3-dimethyl-2,1-benzoxaborole, 1-hydroxy-3,3-dimethyl-2,1-benzoxaborole, 3,3-Dimethyl-3H-benzo[c][1,2]oxaborol-1-ol, 3,3-Dimethyl-1-hydroxy-1,3-dihydrobenzo[c][1,2]oxaborole, 3,3-Dimethylbenzo[c][1,2]oxaborol-1(3H), 3,3-Gem-Dimethyl Benzoxaborole, 3,3-dimethyl-1,3-dihydro-2,1-benzoxaborol-1-ol, QC-4857

3,3-Dimethylbenzo[c][1,2]oxaborol-1(3H)-ol (CAS 221352-10-9) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C9H11BO2 and a molecular weight of 161.993 g/mol. Key properties include a boiling point of 242.5±43.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 100.4±28.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 221352-10-9
Jingsj CID: J-1182307-7
Molecular Formula: C₉H₁₁BO₂
Molecular Weight: 161.993 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	242.5±43.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	100.4±28.2 °C
Exact Mass	162.085205
PSA	29.46000
LogP	0.63940
Vapor Pressure	0.0±0.5 mmHg at 25°C
Refractive Index	1.531

Frequently Asked Questions

What is the CAS number of 3,3-Dimethylbenzo[c][1,2]oxaborol-1(3H)-ol?

The CAS number of 3,3-Dimethylbenzo[c][1,2]oxaborol-1(3H)-ol is 221352-10-9.

What are the molecular formula and molecular weight of 3,3-Dimethylbenzo[c][1,2]oxaborol-1(3H)-ol?

3,3-Dimethylbenzo[c][1,2]oxaborol-1(3H)-ol has molecular formula C9H11BO2 and molecular weight 161.993 g/mol.

What are the upstream and downstream products of 3,3-Dimethylbenzo[c][1,2]oxaborol-1(3H)-ol?

For 3,3-Dimethylbenzo[c][1,2]oxaborol-1(3H)-ol, Upstream Products: Triisopropyl borate, 2-(2-Bromophenyl)propan-2-ol, Methyl 2-bromobenzoate.

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. "3,3-Dimethylbenzo[c][1,2]oxaborol-1(3H)-ol (CAS 221352-10-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1182307-7 (accessed 2026-11-09).

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