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1,4-benzenediboronic acid bis(neopentyl glycol) ester

Also known as: 1,4-Benzenediboronic acid bis(neopentyl glycol) cyclic ester, 1,4-Benzenediboronic acid bis (NPG) cyclic ester, 1,4-Benzenediboronic acid bis(neophtyl glycol) ester, 1,4-Benzenedibo, 1,4-Bis(5,5-dimethyl-1,3,2-dioxaborinan-2-yl)benzene, 2,2'-(1,4-Phenylene)bis[5,5-dimethyl-1,3,2-dioxaborinane], 2-[4-(5,5-dimethyl-1,3,2-dioxaborinan-2-yl)phenyl]-5,5-dimethyl-1,3,2-dioxaborinane, MFCD01075726

1,4-benzenediboronic acid bis(neopentyl glycol) ester (CAS 5565-36-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C16H24B2O4 and a molecular weight of 301.98100 g/mol. Key properties include a melting point of 231-233°C, a boiling point of 425.7ºC at 760 mmHg, a density of 1.05 g/cm3 and a flash point of 211.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5565-36-6
Jingsj CID
J-1308015-4
Molecular Formula
C16H24B2O4
Molecular Weight
301.98100 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point231-233°C
Boiling Point425.7ºC at 760 mmHg
Density1.05 g/cm3
Flash Point211.3ºC
Exact Mass302.18600
PSA36.92000
LogP1.22300
Refractive Index1.493

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 1,4-benzenediboronic acid bis(neopentyl glycol) ester?

The CAS number of 1,4-benzenediboronic acid bis(neopentyl glycol) ester is 5565-36-6.

What are the molecular formula and molecular weight of 1,4-benzenediboronic acid bis(neopentyl glycol) ester?

1,4-benzenediboronic acid bis(neopentyl glycol) ester has molecular formula C16H24B2O4 and molecular weight 301.98100 g/mol.

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

Last updated:

How to cite: Jingsj. "1,4-benzenediboronic acid bis(neopentyl glycol) ester (CAS 5565-36-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1308015-4 (accessed 2026-11-09).

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