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MilliporeSigma

G4750

Sigma-Aldrich

D-(+)-Gluconic acid δ-lactone

≥99.0% (GC)

Synonym(s):

Glucono delta-lactone, δ-Gluconolactone, 1,2,3,4,5-Pentahydroxycaproic acid δ-lactone, D-(+)-Dextronic acid δ-lactone

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About This Item

Empirical Formula (Hill Notation):
C6H10O6
CAS Number:
Molecular Weight:
178.14
Beilstein/REAXYS Number:
83286
EC Number:
MDL number:
UNSPSC Code:
12352201
PubChem Substance ID:
NACRES:
NA.25

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biological source

microbial

assay

≥99.0% (GC)

form

powder

technique(s)

gas chromatography (GC): suitable

color

white to off-white

mp

160 °C (dec.) (lit.)

solubility

water: soluble

storage temp.

room temp

SMILES string

OC[C@H]1OC(=O)[C@H](O)[C@@H](O)[C@@H]1O

InChI

1S/C6H10O6/c7-1-2-3(8)4(9)5(10)6(11)12-2/h2-5,7-10H,1H2/t2-,3-,4+,5-/m1/s1

InChI key

PHOQVHQSTUBQQK-SQOUGZDYSA-N

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1 of 4

This Item
8.43794PHR36561294150
technique(s)

gas chromatography (GC): suitable

technique(s)

-

technique(s)

-

technique(s)

-

assay

≥99.0% (GC)

assay

-

assay

-

assay

-

biological source

microbial

biological source

-

biological source

-

biological source

-

solubility

water: soluble

solubility

-

solubility

-

solubility

-

Quality Level

300

Quality Level

200

Quality Level

300

Quality Level

-

form

powder

form

solid

form

-

form

-

General description

D-(+)-Gluconic acid δ-lactone (GDL) is soluble in water and hydrolyzes into gluconic acid spontaneously and homogeneously lowers the pH.[1] Quinoprotein glucose dehydrogenase converts D-glucose to GDL which gradually lowers the pH and transcriptionally controls the prodigiosin production.[2] GDL is commonly used in the food industry to cause gelation of sodium caseinate by acidification.[3][4] GDL helps to overcome the difficulties and variations of using starter bacterial cultures.[3]

Application

D-(+)-Gluconic acid δ-lactone has been used in the preparation of cold set gels,[1] and hydrogels.[5][6]

Biochem/physiol Actions

Glucono-d-lactone increased the doubling time and activated enzymes involved in the oxidative pentose phosphate pathway of Saccharomyces cerevisiae.

Other Notes

To gain a comprehensive understanding of our extensive range of Monosaccharides for your research, we encourage you to visit our Carbohydrates Category page.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


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Questions

1–2 of 2 Questions  
  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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