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Levulinic acid

Also known as: 4-Oxopentanoic acid, 4-Oxovaleric acid, 3-Acetylpropionic acid, Laevulinic acid, Levulic acid, g-Ketovaleric acid, beta-Acetylpropionic acid, Pentanoic acid, 4-oxo-, Antithermin

Levulinic acid (CAS 123-76-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H8O3 and a molecular weight of 116.115 g/mol. Key properties include a melting point of 30-33 °C(lit.), a boiling point of 242.9±13.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 137.8±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
123-76-2
Jingsj CID
J-35327-5
Molecular Formula
C5H8O3
Molecular Weight
116.115 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point30-33 °C(lit.)
Boiling Point242.9±13.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point137.8±0.0 °C
Exact Mass116.047340
PSA54.37000
LogP-0.49
Vapor Pressure0.0±1.0 mmHg at 25°C
Refractive Index1.435

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Activity & Biological Data

TargetHuman Endogenous Metabolite
Additional Information[1]. Pileidis FD, et al. Levulinic Acid Biorefineries: New Challenges for Efficient Utilization of Biomass. ChemSusChem. 2016 Mar 21;9(6):562-82.

Customs & Trade Information

HS Code2915509000
Summary2915509000 propionic acid, its salts and esters。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:5.5%。general tariff:30.0%

Frequently Asked Questions

What is the CAS number of Levulinic acid?

The CAS number of Levulinic acid is 123-76-2.

What are the molecular formula and molecular weight of Levulinic acid?

Levulinic acid has molecular formula C5H8O3 and molecular weight 116.115 g/mol.

Is Levulinic acid hazardous?

Levulinic acid has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.

What are the upstream and downstream products of Levulinic acid?

For Levulinic acid, Upstream Products: Microcrystalline cellulose, D-Glucose, 5-Hydroxymethylfurfural; Downstream Products: 4-Oxopent-2-enoic acid, 2-(2,4-Dimethyl-1,3-thiazol-5-yl)acetic acid, Indometacin.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Levulinic acid (CAS 123-76-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35327-5 (accessed 2026-11-09).

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