3-tert-Butoxy-3-oxopropanoic acid
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
3-tert-Butoxy-3-oxopropanoic acid (CAS 40052-13-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H12O4 and a molecular weight of 160.168 g/mol. Key properties include a melting point of 19-20 °C(lit.), a boiling point of 250.5±23.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 97.7±16.1 °C. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage and H330 — Fatal if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 40052-13-9
- Jingsj CID
- J-33056-3
- Molecular Formula
- C7H12O4
- Molecular Weight
- 160.168 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 19-20 °C(lit.) |
|---|---|
| Boiling Point | 250.5±23.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 97.7±16.1 °C |
| Exact Mass | 160.073563 |
| PSA | 63.60000 |
| LogP | 1.04 |
| Vapor Pressure | 0.0±1.1 mmHg at 25°C |
| Refractive Index | 1.444 |
GHS Safety & Compliance
- H314 — Causes severe skin burns and eye damage
- H330 — Fatal if inhaled
Customs & Trade Information
| HS Code | 2918990090 |
|---|---|
| Summary | 2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 3-tert-Butoxy-3-oxopropanoic acid?
The CAS number of 3-tert-Butoxy-3-oxopropanoic acid is 40052-13-9.
What are the molecular formula and molecular weight of 3-tert-Butoxy-3-oxopropanoic acid?
3-tert-Butoxy-3-oxopropanoic acid has molecular formula C7H12O4 and molecular weight 160.168 g/mol.
Is 3-tert-Butoxy-3-oxopropanoic acid hazardous?
3-tert-Butoxy-3-oxopropanoic acid has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage; H330 — Fatal if inhaled.
What are the upstream and downstream products of 3-tert-Butoxy-3-oxopropanoic acid?
For 3-tert-Butoxy-3-oxopropanoic acid, Upstream Products: tert-Butanol, tert-Butyl ethyl malonate, Malonic acid; Downstream Products: tert-Butyl methyl malonate, Malonic acid, Carbon dioxide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-tert-Butoxy-3-oxopropanoic acid (CAS 40052-13-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-33056-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.