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4,4'-Diisopropylbiphenyl

Also known as: -Diisopropylbiphenyl, 1,1'-Biphenyl, 4,4'-bis(1-methylethyl)-, 1,1'-Biphenyl, 4,4'-bis-(1-methylethyl), 1,1'-Biphenyl, 4,4'-diisopropyl, 1,1'-Biphenyl, ar,ar'-bis(1-methylethyl)-, 1-(propan-2-yl)-4-[4-(propan-2-yl)phenyl]benzene, 1-propan-2-yl-4-(4-propan-2-ylphenyl)benzene, 4,4''-DIISOPROPYLBIPHENYL 98+%, 4,4'-Bis(1-methylethyl)-1,1'-biphenyl, 4,4'-DIISOPROPYLBIPHENYL, 4,4'-DIISOPROPYLBIPHENYLE, 4,4'-Di-iso-propylbiphenyl, 4,4'-Diisopropyl-1,1'-biphenyl, 4,4'-bis(1-methylethyl)biphenyl, 4,4'-bis(isopropyl)biphenyl, 4,4'-di(propan-2-yl)biphenyl, 4,4'-diisopropanylbiphenyl, 4,4′-Diisopropylbiphenyl, MFCD00043533

4,4'-Diisopropylbiphenyl (CAS 18970-30-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C18H22 and a molecular weight of 238.367 g/mol. Key properties include a melting point of 66°C, a boiling point of 330.6±22.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 161.7±13.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
18970-30-4
Jingsj CID
J-40780-7
Molecular Formula
C18H22
Molecular Weight
238.367 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point66°C
Boiling Point330.6±22.0 °C at 760 mmHg
Density0.9±0.1 g/cm3
Flash Point161.7±13.1 °C
Exact Mass238.172150
LogP6.65
Vapor Pressure0.0±0.3 mmHg at 25°C
Refractive Index1.534

Customs & Trade Information

HS Code2902909090
Summary2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 4,4'-Diisopropylbiphenyl?

The CAS number of 4,4'-Diisopropylbiphenyl is 18970-30-4.

What are the molecular formula and molecular weight of 4,4'-Diisopropylbiphenyl?

4,4'-Diisopropylbiphenyl has molecular formula C18H22 and molecular weight 238.367 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. "4,4'-Diisopropylbiphenyl (CAS 18970-30-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-40780-7 (accessed 2026-11-09).

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