di-tert-butyl phthalate

邻苯二甲酸二叔丁酯

Also known as: 1,2-Benzenedicarboxylic acid, 1,2-bis(1,1-dimethylethyl) ester, 1,2-Benzenedicarboxylic acid, bis(1,1-dimethylethyl) ester, Di-tert-butyl o-phthalate, Phthalic acid ditert-butyl ester, Phthalic acid bis-tert-butyl ester, Phthalic acid bis(1,1-dimethylethyl) ester, ditert-butyl benzene-1,2-dicarboxylate, di-tert-butyl benzene-1,2-dicarboxylate, t-butylphthalate, Einecs 250-204-0

di-tert-butyl phthalate (CAS 30448-43-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C16H22O4 and a molecular weight of 278.34300 g/mol. It is also known as 1,2-Benzenedicarboxylic acid, 1,2-bis(1,1-dimethylethyl) ester, 1,2-Benzenedicarboxylic acid, bis(1,1-dimethylethyl) ester and Di-tert-butyl o-phthalate. Key properties include a boiling point of 325.3ºC at 760mmHg, a density of 1.052g/cm3 and a flash point of 149.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
30448-43-2
Jingsj CID
J-977120-6
Molecular Formula
C16H22O4
Chinese Name
邻苯二甲酸二叔丁酯
Molecular Weight
278.34300 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point325.3ºC at 760mmHg
Density1.052g/cm3
Flash Point149.5ºC

Frequently Asked Questions

What is the CAS number of di-tert-butyl phthalate?

The CAS number of di-tert-butyl phthalate is 30448-43-2.

What are the molecular formula and molecular weight of di-tert-butyl phthalate?

di-tert-butyl phthalate has molecular formula C16H22O4 and molecular weight 278.34300 g/mol.

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

Last updated:

How to cite: Jingsj. "di-tert-butyl phthalate (CAS 30448-43-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-977120-6 (accessed 2026-10-25).

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