tert-Butyl hydrogen phthalate

邻苯二甲酸氢叔丁酯

Also known as: mono-tert-butyl phthalate, 2-(tert-Butoxycarbonyl)benzoic acid, 1,2-Benzenedicarboxylic acid, 1-(1,1-dimethylethyl) ester, Phthalic acid mono-tert-butyl ester, TIMTEC-BB SBB007635, MFCD00043711

tert-Butyl hydrogen phthalate (CAS 33693-84-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H14O4 and a molecular weight of 222.23700 g/mol. It is also known as mono-tert-butyl phthalate, 2-(tert-Butoxycarbonyl)benzoic acid and 1,2-Benzenedicarboxylic acid, 1-(1,1-dimethylethyl) ester. Key properties include a melting point of 79-80°C, a boiling point of 349.8ºC at 760mmHg, a density of 1.173g/cm3 and a flash point of 131.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
33693-84-4
Jingsj CID
J-47253-1
Molecular Formula
C12H14O4
Chinese Name
邻苯二甲酸氢叔丁酯
Molecular Weight
222.23700 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point79-80°C
Boiling Point349.8ºC at 760mmHg
Density1.173g/cm3
Flash Point131.8ºC

Frequently Asked Questions

What is the CAS number of tert-Butyl hydrogen phthalate?

The CAS number of tert-Butyl hydrogen phthalate is 33693-84-4.

What are the molecular formula and molecular weight of tert-Butyl hydrogen phthalate?

tert-Butyl hydrogen phthalate has molecular formula C12H14O4 and molecular weight 222.23700 g/mol.

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

Last updated:

How to cite: Jingsj. "tert-Butyl hydrogen phthalate (CAS 33693-84-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47253-1 (accessed 2026-10-23).

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