L-Galactono-1,4-lactone

Also known as: L-Galactonic acid γ-lactone, L-(+)-Galactono-1,4-lactone, Galactonolactone, (3S,4S,5R)-5-[(1S)-1,2-dihydroxyethyl]-3,4-dihydroxyoxolan-2-one, NSC 25282

L-Galactono-1,4-lactone (CAS 1668-08-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H10O6 and a molecular weight of 178.14000 g/mol. Key properties include a melting point of 134-136ºC, a boiling point of 467.9ºC at 760mmHg, a density of 1.766g/cm3 and a flash point of 201.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1668-08-2
Jingsj CID: J-1121869-2
Molecular Formula: C₆H₁₀O₆
Molecular Weight: 178.14000 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	134-136ºC
Boiling Point	467.9ºC at 760mmHg
Density	1.766g/cm3
Flash Point	201.5ºC
Exact Mass	178.04800
PSA	107.22000
Vapor Pressure	1.01E-10mmHg at 25°C
Refractive Index	1.625
Storage Conditions	?20°C

Customs & Trade Information

HS Code	2932209090
Summary	2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of L-Galactono-1,4-lactone?

The CAS number of L-Galactono-1,4-lactone is 1668-08-2.

What are the molecular formula and molecular weight of L-Galactono-1,4-lactone?

L-Galactono-1,4-lactone has molecular formula C6H10O6 and molecular weight 178.14000 g/mol.

What are the upstream and downstream products of L-Galactono-1,4-lactone?

For L-Galactono-1,4-lactone, Upstream Products: Gluconic acid, D-Galacturonic acid; Downstream Products: L-Ascorbic acid, Dehydroascorbic acid.

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

Last updated: 8/21/2026

How to cite: Jingsj. "L-Galactono-1,4-lactone (CAS 1668-08-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1121869-2 (accessed 2026-11-09).

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