Description and features

Meldrum’s Acid is a white crystalline powder which has C6H8O4 as its chemical formula. It is also known as 2,2-dimethyl-1,3-dioxane-4,6-dione or isopropylidene malonate.

Shipment Info

Europe and United States: Provided Meldrum’s Acid is on stock in our local warehouses our lead time is about one week if delivered in 25 KG fiber drums.

Canada, South America, South Africa and other markets can also be served, please contact our sales department for more details.

This substance (CAS: 2033-24-1) has been registered (FULL SUBSTANCE) under REACH (EC) 1907/2006.

Product Identification

CAS number2033-24-1
EC number217-992-8
HS code2932 20 90
IUPAC name2,2-dimethyl-1,3-dioxane-4,6-dione


AppearanceAlmost white crystalline powder
Assay≥ 98.00 %
Water≤ 1.0 %


Meldrum’s Acid is used as pharmaceutical intermediate. It can serve as reactant for a variety of nucleophilic reactions.


Available packaging: 25 KG fiber drums.
Special packaging is available on request.


Store Meldrum’s Acid cool, dry and well-ventilated area and in line with legal requirements.
Keep it away from heat sources and oxidizing agents.


A Material Safety Data Sheets (MSDS) is available for Meldrum’s Acid and all other products supplied by Vesta Chemicals BV.

An MSDS describes the hazards of a product and explains how a product can be safely handled, used and stored. Besides it provides important regulatory and emergency response information for the purchased product.

Molecular and structural information

Molecular formula C6H8O4
Molecular weight 144.12 g/mol
Smiles notification CC1(OC(=O)CC(=O)O1)C
Chemical formula

Physicochemical information

Boiling point 304 °C @ 101 325 Pa
Relative density 1.16 @ 20 °C
Flash point 134 °C @ 101 325 Pa
Partition coefficient (log Pow) 4.786 @ 25 °C
Solubility in water
Vapour pressure