Jingsj
.mol.sdf

2-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]ethan-1-ol

1-(羟乙基)吡唑-4-硼酸频哪醇酯

Also known as: 2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl)ethanol, 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole-1-ethanol, 1-(2-hydroxyethyl)-1H-pyrazole-4-boronic acid pinacol ester, 1-(hydroxyethyl)pyrazole-4-boronic acid pinacol ester, 1-hydroxy-2-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]ethane

2-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]ethan-1-ol (CAS 1040377-08-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H19BN2O3 and a molecular weight of 238.091 g/mol. It is also known as 2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl)ethanol, 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole-1-ethanol and 1-(2-hydroxyethyl)-1H-pyrazole-4-boronic acid pinacol ester. Key properties include a boiling point of 379.4±22.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 183.3±22.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1040377-08-9
Jingsj CID
J-1077078-0
Molecular Formula
C11H19BN2O3
Chinese Name
1-(羟乙基)吡唑-4-硼酸频哪醇酯
Molecular Weight
238.091 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point379.4±22.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point183.3±22.3 °C
Exact Mass238.148880
PSA56.51000
LogP0.17460
Vapor Pressure0.0±0.9 mmHg at 25°C
Refractive Index1.519
Storage Conditions2-8°C

Customs & Trade Information

HS Code2934999090
Summary2934999090. 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-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]ethan-1-ol?

The CAS number of 2-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]ethan-1-ol is 1040377-08-9.

What are the molecular formula and molecular weight of 2-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]ethan-1-ol?

2-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]ethan-1-ol has molecular formula C11H19BN2O3 and molecular weight 238.091 g/mol.

What are the upstream and downstream products of 2-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]ethan-1-ol?

For 2-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]ethan-1-ol, Upstream Products: Ethylene carbonate, 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole, 2-(4-Bromo-1H-pyrazol-1-yl)ethanol.

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

Last updated:

How to cite: Jingsj. "2-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]ethan-1-ol (CAS 1040377-08-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1077078-0 (accessed 2026-10-28).

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