Dimethyl dicarbonate

焦碳酸二甲酯

Also known as: Dimethyl pyrocarbonate, DMDC, Velcorin, Pyrocarbonic acid dimethyl ester, Dicarbonic acid dimethyl ester, Methyl pyrocarbonate, Methoxycarbonyl methyl carbonate, Carbonic acid, methoxycarbonyl methyl ester

CAS No.
4525-33-1
Jingsj CID
J-20929-2
Molecular Formula
C4H6O5
Chinese Name
焦碳酸二甲酯
Molecular Weight
134.087 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point15-17ºC
Boiling Point171.4±0.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point80.0±0.0 °C

GHS Safety & Compliance

Corrosion / Acute ToxicitySignal word: Danger

Frequently Asked Questions

What is the CAS number of Dimethyl dicarbonate?

4525-33-1

What are the molecular formula and molecular weight of Dimethyl dicarbonate?

C4H6O5, molecular weight 134.087 g/mol

Is Dimethyl dicarbonate hazardous?

Danger

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026