(2-Methylprop-1-en-1-yl)boronic acid

2,2-二甲基乙烯基硼酸

Also known as: 2,2-Dimethylethenylboronic acid, (2-Methyl-1-propen-1-yl)boronic acid, 2-methylprop-1-enylboronic acid, Boronic acid, B-(2-methyl-1-propen-1-yl)-

(2-Methylprop-1-en-1-yl)boronic acid (CAS 14559-88-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H9BO2 and a molecular weight of 99.924 g/mol. It is also known as 2,2-Dimethylethenylboronic acid, (2-Methyl-1-propen-1-yl)boronic acid and 2-methylprop-1-enylboronic acid. Key properties include a boiling point of 190.6±23.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 69.1±22.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
14559-88-7
Jingsj CID
J-1446849-6
Molecular Formula
C4H9BO2
Chinese Name
2,2-二甲基乙烯基硼酸
Molecular Weight
99.924 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point190.6±23.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point69.1±22.6 °C
Exact Mass100.069557
PSA40.46000
LogP1.51
Vapor Pressure0.1±0.8 mmHg at 25°C
Refractive Index1.428
Storage Conditions2-8°C

Customs & Trade Information

HS Code2931900090
Summary2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of (2-Methylprop-1-en-1-yl)boronic acid?

The CAS number of (2-Methylprop-1-en-1-yl)boronic acid is 14559-88-7.

What are the molecular formula and molecular weight of (2-Methylprop-1-en-1-yl)boronic acid?

(2-Methylprop-1-en-1-yl)boronic acid has molecular formula C4H9BO2 and molecular weight 99.924 g/mol.

What are the upstream and downstream products of (2-Methylprop-1-en-1-yl)boronic acid?

For (2-Methylprop-1-en-1-yl)boronic acid, Upstream Products: 2-Methyl-1-propenylmagnesium bromide, Trimethyl borate.

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

Last updated:

How to cite: Jingsj. "(2-Methylprop-1-en-1-yl)boronic acid (CAS 14559-88-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1446849-6 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.