4-[(ethoxycarbonyl)oxy]-3,5-dimethoxybenzoic acid

4-乙氧基羰氧基-3,5-二甲氧基苯甲酸

Also known as: benzoic acid, 4-[(ethoxycarbonyl)oxy]-3,5-dimethoxy-, 4-ethoxycarbonyloxy-3,5-dimethoxybenzoic acid, Carbethoxysyringic acid, O-Carbethoxysyringic acid, carbonic acid ethyl 2,6-dimethoxy-4-carboxy-phenyl ester, 3.5-Dimethoxy-4-(carbaethoxy-oxy)-benzoesaeure, 3.5-Dimethylaether-O4-carbaethoxy-gallussaeure, 4-Aethoxycarbonyloxy-3,5-dimethoxy-benzoesaeure

4-[(ethoxycarbonyl)oxy]-3,5-dimethoxybenzoic acid (CAS 18780-67-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H14O7 and a molecular weight of 270.23500 g/mol. It is also known as benzoic acid, 4-[(ethoxycarbonyl)oxy]-3,5-dimethoxy-, 4-ethoxycarbonyloxy-3,5-dimethoxybenzoic acid and Carbethoxysyringic acid. Key properties include a melting point of 180-185ºC, a boiling point of 449.5ºC at 760mmHg, a density of 1.284g/cm3 and a flash point of 171.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
18780-67-1
Jingsj CID
J-1991326-1
Molecular Formula
C12H14O7
Chinese Name
4-乙氧基羰氧基-3,5-二甲氧基苯甲酸
Molecular Weight
270.23500 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point180-185ºC
Boiling Point449.5ºC at 760mmHg
Density1.284g/cm3
Flash Point171.7ºC

Frequently Asked Questions

What is the CAS number of 4-[(ethoxycarbonyl)oxy]-3,5-dimethoxybenzoic acid?

The CAS number of 4-[(ethoxycarbonyl)oxy]-3,5-dimethoxybenzoic acid is 18780-67-1.

What are the molecular formula and molecular weight of 4-[(ethoxycarbonyl)oxy]-3,5-dimethoxybenzoic acid?

4-[(ethoxycarbonyl)oxy]-3,5-dimethoxybenzoic acid has molecular formula C12H14O7 and molecular weight 270.23500 g/mol.

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

Last updated:

How to cite: Jingsj. "4-[(ethoxycarbonyl)oxy]-3,5-dimethoxybenzoic acid (CAS 18780-67-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1991326-1 (accessed 2026-10-22).

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