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3-oxohexanedioic acid

Also known as: 3-ketoadipic acid, β-ketoadipic acid, 3-oxoadipic acid, 4-oxohexanedioic acid, NSC18511, β-oxoadipic acid

3-oxohexanedioic acid (CAS 689-31-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H8O5 and a molecular weight of 160.12500 g/mol. Key properties include a melting point of 124-126ºC, a boiling point of 412.2ºC at 760 mmHg, a density of 1.405g/cm3 and a flash point of 217.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
689-31-6
Jingsj CID
J-889840-6
Molecular Formula
C6H8O5
Molecular Weight
160.12500 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Melting Point124-126ºC
Boiling Point412.2ºC at 760 mmHg
Density1.405g/cm3
Flash Point217.3ºC
Exact Mass160.03700
PSA91.67000

Customs & Trade Information

HS Code2918300090
Summary2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 3-oxohexanedioic acid?

The CAS number of 3-oxohexanedioic acid is 689-31-6.

What are the molecular formula and molecular weight of 3-oxohexanedioic acid?

3-oxohexanedioic acid has molecular formula C6H8O5 and molecular weight 160.12500 g/mol.

What are the upstream and downstream products of 3-oxohexanedioic acid?

For 3-oxohexanedioic acid, Upstream Products: (-)-3-Dehydroshikimic acid, protocatechuic acid, cis,cis-Muconic acid; Downstream Products: Levulinic acid, 5-Aminolevulinic acid, Dimethyl 3-oxoadipate.

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-oxohexanedioic acid (CAS 689-31-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-889840-6 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.