4-tert-Butylbenzoic anhydride

4-叔丁基苯甲酸酐

Also known as: (4-tert-butylbenzoyl) 4-tert-butylbenzoate, p-tert-Butylbenzoic acid anhydride, 4-(tert-butyl)benzoic anhydride, 4-tert-Butyl-benzoesaeure-anhydrid, 4-tert-Butylbenzoicanhydride,95%, Benzoic acid, 4-(1,1-dimethylethyl)-, anhydride with 4-(1,1-dimethylethyl)benzoic acid, p-t-butyl benzoic acid anhydride

4-tert-Butylbenzoic anhydride (CAS 22201-45-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C22H26O3 and a molecular weight of 338.44000 g/mol. It is also known as (4-tert-butylbenzoyl) 4-tert-butylbenzoate, p-tert-Butylbenzoic acid anhydride and 4-(tert-butyl)benzoic anhydride. Key properties include a boiling point of 455.326ºC at 760 mmHg, a density of 1.057g/cm3 and a flash point of 209.023ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
22201-45-2
Jingsj CID
J-1503591-4
Molecular Formula
C22H26O3
Chinese Name
4-叔丁基苯甲酸酐
Molecular Weight
338.44000 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point455.326ºC at 760 mmHg
Density1.057g/cm3
Flash Point209.023ºC

Frequently Asked Questions

What is the CAS number of 4-tert-Butylbenzoic anhydride?

The CAS number of 4-tert-Butylbenzoic anhydride is 22201-45-2.

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

4-tert-Butylbenzoic anhydride has molecular formula C22H26O3 and molecular weight 338.44000 g/mol.

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

Last updated:

How to cite: Jingsj. "4-tert-Butylbenzoic anhydride (CAS 22201-45-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1503591-4 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.