Di-tert-butyl oxalate

二叔丁基草酸酯

Also known as: Bis(1,1-dimethylethyl) oxalate, Di-t-butyl Oxalate, Oxalic acid di-tert-butyl ester, Ditert-butyl ethanedioate, Oxalic acid bis(1,1-dimethylethyl) ester, Ethanedioic acid, 1,2-bis(1,1-dimethylethyl) ester

CAS No.
691-64-5
Jingsj CID
J-25579-8
Molecular Formula
C10H18O4
Chinese Name
二叔丁基草酸酯
Molecular Weight
202.24800 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point69-72ºC(lit.)
Boiling Point229.3ºC at 760 mmHg
Density1.007g/cm3
Flash Point90ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of Di-tert-butyl oxalate?

691-64-5

What are the molecular formula and molecular weight of Di-tert-butyl oxalate?

C10H18O4, molecular weight 202.24800 g/mol

Is Di-tert-butyl oxalate hazardous?

Warning

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