5-(tert-butoxy)-5-oxopentanoic acid
Also known as: 5-[(2-methylpropan-2-yl)oxy]-5-oxopentanoic acid, glutaric acid mono-tert-butyl ester, mono tert-butyl glutarate, pentanedioic acid mono-tert-butyl ester, 5-tert-butoxy-5-oxopentanoic acid, FD6012
5-(tert-butoxy)-5-oxopentanoic acid (CAS 63128-51-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H16O4 and a molecular weight of 188.221 g/mol. Key properties include a boiling point of 295.0±23.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 111.1±16.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 63128-51-8
- Jingsj CID
- J-902931-6
- Molecular Formula
- C9H16O4
- Molecular Weight
- 188.221 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 295.0±23.0 °C at 760 mmHg |
|---|---|
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 111.1±16.1 °C |
| Exact Mass | 188.104858 |
| PSA | 63.60000 |
| LogP | 1.43 |
| Vapor Pressure | 0.0±1.3 mmHg at 25°C |
| Refractive Index | 1.449 |
Frequently Asked Questions
What is the CAS number of 5-(tert-butoxy)-5-oxopentanoic acid?
The CAS number of 5-(tert-butoxy)-5-oxopentanoic acid is 63128-51-8.
What are the molecular formula and molecular weight of 5-(tert-butoxy)-5-oxopentanoic acid?
5-(tert-butoxy)-5-oxopentanoic acid has molecular formula C9H16O4 and molecular weight 188.221 g/mol.
What are the upstream and downstream products of 5-(tert-butoxy)-5-oxopentanoic acid?
For 5-(tert-butoxy)-5-oxopentanoic acid, Upstream Products: 5,5'-oxybis(5-oxopentanoic acid), tert-Butanol, Glutaric anhydride; Downstream Products: Glutaric acid, Isobutylene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-(tert-butoxy)-5-oxopentanoic acid (CAS 63128-51-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-902931-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.