3-tert-Butoxy-3-oxopropanoic acid

丙二酸单叔丁酯

Also known as: mono-tert-Butyl malonate, tert-Butyl hydrogen malonate, Propanedioic acid mono(1,1-dimethylethyl) ester, tert-Butyl malonate, Malonic acid mono-tert-butyl ester, 3-(tert-Butoxy)-3-oxopropanoic acid, 3-[(2-methylpropan-2-yl)oxy]-3-oxopropanoic acid, 3-tert-Butoxy-3-oxopropionic acid, mono-(tert-Butyl) malonate, Propanedioic acid, 1-(1,1-dimethylethyl) ester

CAS No.
40052-13-9
Jingsj CID
J-33056-7
Molecular Formula
C7H12O4
Chinese Name
丙二酸单叔丁酯
Molecular Weight
160.168 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point19-20 °C(lit.)
Boiling Point250.5±23.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point97.7±16.1 °C

GHS Safety & Compliance

Corrosion / Acute ToxicitySignal word: Danger

Frequently Asked Questions

What is the CAS number of 3-tert-Butoxy-3-oxopropanoic acid?

40052-13-9

What are the molecular formula and molecular weight of 3-tert-Butoxy-3-oxopropanoic acid?

C7H12O4, molecular weight 160.168 g/mol

Is 3-tert-Butoxy-3-oxopropanoic acid hazardous?

Danger

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