Diisobutyl carbonate

Also known as: bis(2-methylpropyl) carbonate, Carbonic acid, bis(2-methylpropyl) ester, Carbonic acid, diisobutyl ester, DIBC, DIISOBUTYL CARBONATE, Isobutyl carbonate, NSC 4009

Diisobutyl carbonate (CAS 539-92-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H18O3 and a molecular weight of 174.23700 g/mol. Key properties include a boiling point of 190ºC at 760 mmHg, a density of 0.928 g/cm3 and a flash point of 71.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 539-92-4
Jingsj CID: J-1515192-5
Molecular Formula: C₉H₁₈O₃
Molecular Weight: 174.23700 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	190ºC at 760 mmHg
Density	0.928 g/cm3
Flash Point	71.5ºC
Exact Mass	174.12600
PSA	35.53000
LogP	2.45160
Refractive Index	1.416

Customs & Trade Information

HS Code	2920909090
Summary	2920909090 esters of other inorganic acids of non-metals (excluding esters of hydrogen halides) and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Diisobutyl carbonate?

The CAS number of Diisobutyl carbonate is 539-92-4.

What are the molecular formula and molecular weight of Diisobutyl carbonate?

Diisobutyl carbonate has molecular formula C9H18O3 and molecular weight 174.23700 g/mol.

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. "Diisobutyl carbonate (CAS 539-92-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1515192-5 (accessed 2026-11-09).

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