葡萄糖酸-δ-内酯 USP26 FCCIV

Description

Gluconolactone · CAS 90-80-2 · C6H10O6. UNII WQ29KQ9POT. Melting Point: 155 °C /decomposes/; Melting Point: 151 - 155 °C; Solubility: 590000.

Identification

CAS Registry Number	90-80-2
PubChem CID	7027
Molecular formula	C6H10O6
IUPAC name	(3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-one
UNII (FDA)	WQ29KQ9POT

Computed Descriptors

Molecular Weight	178.14
XLogP3	-2
Hydrogen Bond Donor Count	4
Hydrogen Bond Acceptor Count	6
Rotatable Bond Count	1
Exact Mass	178.04773803
Monoisotopic Mass	178.04773803
Topological Polar Surface Area	107
Heavy Atom Count	12
Formal Charge	0

Physical & Chemical Properties

Melting Point	155 °C /decomposes/
Melting Point	151 - 155 °C
Solubility	590000
Solubility	In water, 5.9X10+5 mg/L at 25 °C
Solubility	590.0 mg/mL
Density	1.610 g/cu cm at -5 °C
Collision Cross Section	144.7 Ų [M+Na]+
Collision Cross Section	132.8 Ų [M-H+H2O]-

Physical description & handling notes

• Dry Powder; Other Solid
• Fine, white, nearly odourless, crystalline powder
• White solid; [HSDB] Crystals; [Alfa Aesar MSDS]
• Solid
• White crystals
• Sweet taste

Regulatory Status

Regulatory & Food Contact

FDA Substance added to food: CURING OR PICKLING AGENT, FLAVOR ENHANCER, FLAVORING AGENT OR ADJUVANT, FORMULAT ACID; ACIDITY_REGULATOR; RAISING_AGENT; SEQUESTRANT: Food Additives Glucono-delta-lactone is the cyclic 1,5-intramolecular ester of D-gluconic acid. In aqueous media it is hydrol GLUCONO-DELTA LACTONE CURING OR PICKLING AGENT, FLAVOR ENHANCER, FLAVORING AGENT OR ADJUVANT, FORMULATION AID, LEAVENING AGENT, PH C NOT SPECIFIED

GHS notification summary

98.7% (231 / 234)

GHS Hazard Classification

GHS notification summary	98.7% (231 / 234)

Documented Uses

• Aluminum Producing [Category: Industry]
• Acid and Alkali Cleaning of Metals [Category: Clean]
• Textiles (Fiber & Fabric Manufacturing) [Category: Industry]
• Cement Producing [Category: Industry]
• Textiles (Printing, Dyeing, or Finishing) [Category: Industry]
• Component of many cleaning compounds because of the sequestering ability of the gluconate radical which remains active in alkaline solutions; in the dairy industry to prevent milkstone; in breweries to prevent beerstone; as latent acid catalyst for acid colloid resins, particularly in textile printing; as a coagulant for tofu.

Synonyms

gluconolactone; 90-80-2; delta-gluconolactone; D-glucono-1,5-lactone; Gluconic acid lactone; (3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-one; D-Gluconic acid lactone; D-Gluconic acid delta-lactone; 1,5-D-Gluconolactone; Gluconic lactone; (3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-one; Gluconic delta-lactone; delta-D-Gluconolactone; Glucono delta lactone; Deltagluconolactone; Fujiglucon

Frequently Asked Questions

What are the CAS number and molecular formula of Gluconolactone?

CAS 90-80-2; molecular formula C6H10O6; molecular weight — g/mol.

What other names is Gluconolactone known by?

gluconolactone, 90-80-2, delta-gluconolactone, D-glucono-1,5-lactone, Gluconic acid lactone, (3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-one.

What is the regulatory status of Gluconolactone?

Documented regulatory listings: FDA Substance added to food: CURING OR PICKLING AGENT, FLAVOR ENHANCER, FLAVORING AGENT OR ADJUVANT, FORMULAT; ACID; ACIDITY_REGULATOR; RAISING_AGENT; SEQUESTRANT: Food Additives; Glucono-delta-lactone is the cyclic 1,5-intramolecular ester of D-gluconic acid. In aqueous media it is hydrol.

Is Gluconolactone classified as hazardous?

98.7% of GHS notifications report no hazard classification (231 of 234).

What are the key physical properties of Gluconolactone?

Melting Point: 155 °C /decomposes/; Melting Point: 151 - 155 °C; Solubility: 590000; Solubility: In water, 5.9X10+5 mg/L at 25 °C.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.