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γ-Cyclodextrin

γ-Cyclodextrin structure

CAS No:
17465-86-0
Formula:
C48H80O40
Chemical Name:
γ-Cyclodextrin
Synonyms:
γ-Cyclodextrin;2,4,7,9,12,14,17,19,22,24,27,29,32,34,37,39-Hexadecaoxanonacyclo[36.2.2.23,6.28,11.213,16.218,21.223,26.228,31.233,36]hexapentacontane,γ-cyclodextrin deriv.;Cyclooctaamylose;γ-Dextrin;Stereoisomer of 5,10,15,20,25,30,35,40-octakis(hydroxymethyl)-2,4,7,9,12,14,17,19,22,24,27,29,32,34,37,39-hexadecaoxanonacyclo[36.2.2.23,6.28,11.213,16.218,21.223,26.228,31.233,36]hexapentacontane-41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56-hexadecol;Cyclomaltooctaose;Ringdex C;Dexy Pearl γ-100;Celdex C 100;Cavamax W 8;Celdex G 100;Cavamax 8 Food;Cavamax W 8 Food;Rindex C;γ-100;Cavasol W8;Cavasol W 6;Dexipar γ-100;216309-81-8;217487-02-0;1229648-15-0;1714824-80-2;2095261-38-2
Categories:
Biochemical Engineering > Saccharides

Description

White powder or crystal Cyclodextrins occur as white, practically odorless, fine crystalline powders, having a slightly sweet taste. Some cyclodextrin derivatives occur as amorphous powders.

γ-Cyclodextrin Basic Attributes

Molecular Weight：

1297.12

Exact Mass：

1297.12

BRN：

5725162

EC Number：

241-482-4

HScode：

29400000

Characteristics

PSA：

633

XLogP3：

-8.97

Appearance：

white powder

Density：

1.2064 (rough estimate)

Melting Point：

260-340 °C (decomp)

Boiling Point：

845.2°C (rough estimate)

Flash Point：

450℃

Refractive Index：

1.7500 (estimate)

Water Solubility：

1 M NaOH: 25 mg/mL, may be clear to slightly hazy

Storage Conditions：

Store in a cool, dry place. Store in a tightly closed container.

Safety Information

Transport codes：

NONH for all modes of transport

wgk germany：

hazard class code：

36/37/38

safety instructions：

26-36-24/25-22

RTECS Number：

GU2293080

Marks：

Storage features：

Cyclodextrins should be stored in a tightly sealed container, in a cool, dry place.Cyclodextrins are stable in the solid state if protected from high humidity.

γ-Cyclodextrin Use and Manufacturing

Methods of Manufacturing

Cyclic maltodextrin glucose transferase (CGTase, EC 2.4.1.19) acts on the hydrolyzed starch, and then purified by one of the following methods: Bu cyclodextrin is precipitated with a complex of a macrocyclic compound, and then Extract with n-decane, and then strip the solvent; obtain crystals from the purified mother liquor containing cyclodextrin by ion exchange or gel filtration chromatography; obtain by ultrafiltration and reverse osmosis membrane separation.

Uses

Cyclodextrins are ‘bucketlike’ or ‘conelike’ toroid molecules, with a rigid structure and a central cavity, the size of which varies according to the cyclodextrin type. The internal surface of the cavity is hydrophobic and the outside of the torus is hydrophilic; this is due to the arrangement of hydroxyl groups within the molecule. This arrangement permits the cyclodextrin to accommodate a guest molecule within the cavity, forming an inclusion complex.
Cyclodextrins may be used to form inc

Computed Properties

Molecular Weight:1297.1
XLogP3:-17.2
Hydrogen Bond Donor Count:24
Hydrogen Bond Acceptor Count:40
Rotatable Bond Count:8
Exact Mass:1296.4225873
Monoisotopic Mass:1296.4225873
Topological Polar Surface Area:633
Heavy Atom Count:88
Complexity:1720
Undefined Atom Stereocenter Count:40
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

Material

Glucose

Starch

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Guide of γ-Cyclodextrin

Description
Basic Attributes
Characteristics
Safety Information
Use and Manufacturing
Computed Properties
Material
Recommended Suppliers
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γ-Cyclodextrin

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