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4,4'-Biphenyldiboronic acid bis(neopentyl glycol) ester

Also known as: 2,2'-(4,4'-Biphenyldiyl)bis(5,5-dimethyl-1,3,2-dioxaborinane), 4,4'-Bis(5,5-dimethyl-1,3,2-dioxaborinan-2-yl)biphenyl, Biphenyl-4,4'-diboronic acid bis(neopentyl glycol) ester, MFCD01318103

4,4'-Biphenyldiboronic acid bis(neopentyl glycol) ester (CAS 5487-93-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C22H28B2O4 and a molecular weight of 378.077 g/mol. Key properties include a melting point of 244-246ºC, a boiling point of 519.3±43.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 267.8±28.2 °C. It is classified under GHS with signal word Warning and hazard statements H400 — Very toxic to aquatic life. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5487-93-4
Jingsj CID
J-31223-2
Molecular Formula
C22H28B2O4
Molecular Weight
378.077 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point244-246ºC
Boiling Point519.3±43.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point267.8±28.2 °C
Exact Mass378.217377
PSA36.92000
LogP2.89000
Vapor Pressure0.0±1.3 mmHg at 25°C
Refractive Index1.538

GHS Safety & Compliance

Environmental HazardSignal word: Warning
  • H400 — Very toxic to aquatic life

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 4,4'-Biphenyldiboronic acid bis(neopentyl glycol) ester?

The CAS number of 4,4'-Biphenyldiboronic acid bis(neopentyl glycol) ester is 5487-93-4.

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

4,4'-Biphenyldiboronic acid bis(neopentyl glycol) ester has molecular formula C22H28B2O4 and molecular weight 378.077 g/mol.

Is 4,4'-Biphenyldiboronic acid bis(neopentyl glycol) ester hazardous?

4,4'-Biphenyldiboronic acid bis(neopentyl glycol) ester has GHS signal word Warning and hazard statements H400 — Very toxic to aquatic life.

What are the upstream and downstream products of 4,4'-Biphenyldiboronic acid bis(neopentyl glycol) ester?

For 4,4'-Biphenyldiboronic acid bis(neopentyl glycol) ester, Upstream Products: 4,4'-Biphenyldiboronic acid, Neopentyl glycol, 1,4-Diiodobenzene.

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

Last updated:

How to cite: Jingsj. "4,4'-Biphenyldiboronic acid bis(neopentyl glycol) ester (CAS 5487-93-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-31223-2 (accessed 2026-11-09).

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