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p-Isobutylstyrene

Also known as: 1-(4'-Isobutylphenyl)ethene, 1-Ethenyl-4-(2-Methylpropyl)benzene, 1-Isobutyl-4-vinylbenzene, 1-Vinyl-4-isobutylbenzene, 1-ethenyl-4-(2-methylpropyl)benzene, 4-ISOBUTYLSTYRENE, Ibuprofen Impurity (4-Isobutylstyrene), Ibuprofen impurity 13/1-ethenyl-4-(2-methylpropyl)benzene/4-Isobutylstyrene

p-Isobutylstyrene (CAS 63444-56-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H16 and a molecular weight of 160.25500 g/mol. Key properties include a boiling point of 227ºC, a density of 0.882 and a flash point of 85ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
63444-56-4
Jingsj CID
J-896338-0
Molecular Formula
C12H16
Molecular Weight
160.25500 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point227ºC
Density0.882
Flash Point85ºC
Exact Mass160.12500
LogP3.52810

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 p-Isobutylstyrene?

The CAS number of p-Isobutylstyrene is 63444-56-4.

What are the molecular formula and molecular weight of p-Isobutylstyrene?

p-Isobutylstyrene has molecular formula C12H16 and molecular weight 160.25500 g/mol.

What are the upstream and downstream products of p-Isobutylstyrene?

For p-Isobutylstyrene, Upstream Products: 1-(4-Isobutylphenyl)ethanol, 1-Bromo-4-isobutylbenzene, 4-Bromostyrene; Downstream Products: 2-(4-isobutylphenyl)propan-1-ol, (R)-(-)-Ibuprofen, (S)-(+)-Ibuprofen.

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

Last updated:

How to cite: Jingsj. "p-Isobutylstyrene (CAS 63444-56-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-896338-0 (accessed 2026-11-09).

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