4-tert-Butylphenylacetonitrile

Also known as: p-tert-Butylbenzyl cyanide, p-tert-Butylphenylacetonitrile, 2-(4-tert-Butylphenyl)acetonitrile, 4-(1,1-dimethylethyl)benzeneacetonitrile, 4-tert-Butylbenzyl cyanide, 4-(tert-Butyl)phenylacetonitrile, (4-tert-Butylphenyl)acetonitrile

4-tert-Butylphenylacetonitrile (CAS 3288-99-1) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H15N and a molecular weight of 173.254 g/mol. Key properties include a boiling point of 270.9±9.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 120.4±5.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 3288-99-1
Jingsj CID: J-1373930-5
Molecular Formula: C₁₂H₁₅N
Molecular Weight: 173.254 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	270.9±9.0 °C at 760 mmHg
Density	0.9±0.1 g/cm3
Flash Point	120.4±5.1 °C
Exact Mass	173.120453
PSA	23.79000
LogP	3.14
Vapor Pressure	0.0±0.6 mmHg at 25°C
Refractive Index	1.505

Customs & Trade Information

HS Code	2926909090
Summary	HS:2926909090 other nitrile-function compounds VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 4-tert-Butylphenylacetonitrile?

The CAS number of 4-tert-Butylphenylacetonitrile is 3288-99-1.

What are the molecular formula and molecular weight of 4-tert-Butylphenylacetonitrile?

4-tert-Butylphenylacetonitrile has molecular formula C12H15N and molecular weight 173.254 g/mol.

What are the upstream and downstream products of 4-tert-Butylphenylacetonitrile?

For 4-tert-Butylphenylacetonitrile, Upstream Products: (Trimethylsilyl)acetonitrile, 1-Bromo-4-tert-butylbenzene, 4-tert-Butylbenzyl bromide; Downstream Products: Methyl p-tert-butylphenylacetate, 2-(4-tert-butylphenyl)acetic acid, 2-(4-tert-butylphenyl)ethylamine.

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. "4-tert-Butylphenylacetonitrile (CAS 3288-99-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1373930-5 (accessed 2026-11-09).

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