D-(+)-Gluconic acid δ-lactone

CAS 90-80-2C6H10O6Chemical Synthesis

D-(+)-Gluconic acid δ-lactone (CAS: 90-80-2, C6H10O6) is a cyclic ester of D-gluconic acid and a valuable intermediate in carbohydrate chemistry. Possessing a molecular weight of 178.14 g/mol, this compound is widely employed in chemical synthesis and as a key component in various industrial applications. Its controlled hydrolysis in aqueous solutions yields gluconic acid, making it a useful acidulant and sequestrant in diverse formulations.

IUPAC: δ-Gluconolactone,1,2,3,4,5-Pentahydroxycaproic acid δ-lactone,D-(+)-Dextronic acid δ-lactone
Synonyms: D-Glucono-1,5-lactoneGlucono delta-lactoneD-(+)-Dextronic acid delta-lactoneδ-Gluconolactone

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D-(+)-Gluconic acid δ-lactone (C6H10O6) — chemical structure, CAS 90-80-2; Chemistry, fine chemical supplied by Tech Serve Solutions

Carbohydrate ChemistryCarbohydrate DerivativesChemical BiologyChemical Synthesis

01 /Applications

Chemical Synthesis

D-(+)-Gluconic acid δ-lactone serves as a versatile building block in organic synthesis, particularly for the preparation of carbohydrate derivatives and other complex organic molecules. Its lactone form offers unique reactivity compared to its parent acid.

Acidulant and Sequestrant

Upon dissolution in water, it slowly hydrolyses to gluconic acid, providing a mild and controlled acidification. This property is valuable in food applications (where permitted) and in industrial processes requiring gradual pH adjustment or metal ion chelation.

Biotechnology and Research

The compound is utilised in biochemical research and biotechnological processes, contributing to studies involving carbohydrate metabolism and enzyme activity. Its role in controlled acid release is of particular interest.

02 /Properties

Molecular weight	178.14
Empirical formula	C6H10O6
Assay	≥99.0% (T)
Grade	purum
Optical activity	[α]20/D +66.0±1°, c = 4% in H2O
Melting point	154-162 °C160 °C (dec.)(lit.)

03 /Safety & handling

Protective equipment	Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
Water hazard class (WGK, DE)	3

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry

CAS number

90-80-2

MDL number

MFCD00006647

Beilstein registry

83286

05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is D-(+)-Gluconic acid δ-lactone used for?

D-(+)-Gluconic acid δ-lactone is used in chemical synthesis, as a controlled acidulant and sequestrant, and in biotechnology and research applications.

What is the CAS number and molecular formula for D-(+)-Gluconic acid δ-lactone?

The CAS number is 90-80-2 and the molecular formula is C6H10O6.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies D-(+)-Gluconic acid δ-lactone in purum grade with an assay of ≥99.0% (T). We do not represent this product as USP, BP, or EP grade.

How should D-(+)-Gluconic acid δ-lactone be handled?

Handle with care, using appropriate personal protective equipment including eyeshields and gloves. Ensure adequate ventilation and use a suitable respirator filter (type N95 or P1) if dust is generated. This compound has a WGK Germany rating of 3.

Is D-(+)-Gluconic acid δ-lactone a controlled substance?

Based on the provided data, there is no indication that D-(+)-Gluconic acid δ-lactone is a controlled substance.

How is D-(+)-Gluconic acid δ-lactone typically shipped and exported?

Tech Serve Solutions, a global supplier, exports fine chemicals and reagents worldwide, adhering to all necessary regulations for safe and compliant international shipment.