Benzoic acid, 3,4,5-trimethoxy-, 1,1'-anhydride

3,4,5-三甲氧基苯甲酸酐

Also known as: (3,4,5-trimethoxybenzoyl) 3,4,5-trimethoxybenzoate, 3,3',4,4',5,5'-hexamethoxybenzoic anhydride, 3,4,5-Trimethoxybenzoic acid anhydride, 3,4,5-Trimethoxybenzoic anhydride, Bis(3,4,5-trimethoxybenzoic)anhydride, NSC 40557, EINECS 217-010-8

Benzoic acid, 3,4,5-trimethoxy-, 1,1'-anhydride (CAS 1719-88-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C20H22O9 and a molecular weight of 406.38300 g/mol. It is also known as (3,4,5-trimethoxybenzoyl) 3,4,5-trimethoxybenzoate, 3,3',4,4',5,5'-hexamethoxybenzoic anhydride and 3,4,5-Trimethoxybenzoic acid anhydride. Key properties include a melting point of 155ºC, a boiling point of 573.5ºC at 760mmHg, a density of 1.228g/cm3 and a flash point of 249.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1719-88-6
Jingsj CID
J-39040-6
Molecular Formula
C20H22O9
Chinese Name
3,4,5-三甲氧基苯甲酸酐
Molecular Weight
406.38300 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point155ºC
Boiling Point573.5ºC at 760mmHg
Density1.228g/cm3
Flash Point249.9ºC

Frequently Asked Questions

What is the CAS number of Benzoic acid, 3,4,5-trimethoxy-, 1,1'-anhydride?

The CAS number of Benzoic acid, 3,4,5-trimethoxy-, 1,1'-anhydride is 1719-88-6.

What are the molecular formula and molecular weight of Benzoic acid, 3,4,5-trimethoxy-, 1,1'-anhydride?

Benzoic acid, 3,4,5-trimethoxy-, 1,1'-anhydride has molecular formula C20H22O9 and molecular weight 406.38300 g/mol.

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

Last updated:

How to cite: Jingsj. "Benzoic acid, 3,4,5-trimethoxy-, 1,1'-anhydride (CAS 1719-88-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-39040-6 (accessed 2026-10-22).

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