2-Bromo-1,3,2-benzodioxaborole

Also known as: 1,3,2-Benzodioxaborole, 2-bromo-, B-Bromocatecholborane, MFCD00013341

2-Bromo-1,3,2-benzodioxaborole (CAS 51901-85-0) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C6H4BBrO2 and a molecular weight of 198.810 g/mol. Key properties include a melting point of 51-53ºC, a boiling point of 206.1±23.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 78.5±22.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 51901-85-0
Jingsj CID: J-20358-7
Molecular Formula: C₆H₄BBrO₂
Molecular Weight: 198.810 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	51-53ºC
Boiling Point	206.1±23.0 °C at 760 mmHg
Density	1.7±0.1 g/cm3
Flash Point	78.5±22.6 °C
Exact Mass	197.948761
PSA	18.46000
LogP	1.83760
Vapor Pressure	0.3±0.4 mmHg at 25°C
Refractive Index	1.577

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-Bromo-1,3,2-benzodioxaborole?

The CAS number of 2-Bromo-1,3,2-benzodioxaborole is 51901-85-0.

What are the molecular formula and molecular weight of 2-Bromo-1,3,2-benzodioxaborole?

2-Bromo-1,3,2-benzodioxaborole has molecular formula C6H4BBrO2 and molecular weight 198.810 g/mol.

What are the upstream and downstream products of 2-Bromo-1,3,2-benzodioxaborole?

For 2-Bromo-1,3,2-benzodioxaborole, Upstream Products: Catechol, Boron tribromide; Downstream Products: 4-Methoxyphenylboronic Acid Pinacol Ester, 4-Acetylphenylboronic acid pinacol ester, N,N-Dimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)aniline.

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-Bromo-1,3,2-benzodioxaborole (CAS 51901-85-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20358-7 (accessed 2026-11-09).

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