Tetraethyl orthocarbonate

原碳酸四乙酯

Also known as: Tetraethoxymethane, Orthocarbonic acid tetraethyl ester, 1-(Triethoxymethoxy)ethane, Ethane, 1,1',1'',1'''-(methanetetrayltetrakis(oxy))tetrakis-, MFCD00009221, Tetraethyl orthocarbonate

CAS No.
78-09-1
Jingsj CID
J-1527258-0
Molecular Formula
C9H20O4
Chinese Name
原碳酸四乙酯
Molecular Weight
192.253 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point159.5±0.0 °C at 760 mmHg
Density0.9±0.1 g/cm3
Flash Point52.8±0.0 °C

GHS Safety & Compliance

FlammableSignal word: Warning

Frequently Asked Questions

What is the CAS number of Tetraethyl orthocarbonate?

78-09-1

What are the molecular formula and molecular weight of Tetraethyl orthocarbonate?

C9H20O4, molecular weight 192.253 g/mol

Is Tetraethyl orthocarbonate hazardous?

Warning

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