gamma cyclodextrins

• Post Date:

  Sep 07,2013

• Expiry Date:

  Mar 06,2014

• Detailed Description:

  Cas No. :17465-86-0 Quantity: 1000000Kilograms
  Specs:500g/bag, 2kg/bag, 10kg/drum
  Price:295 USD Kilograms
  Payment Method: T/T
  
  Number of glucose units
  
  8
  
  
  Molecular
  
  1297
  
  
  Solubility in water g/100ml at ambient temp.
  
  23.2
  
  
  [α]D25
  
  177.4±0.5
  
  
  Cavity diameter Å
  
  7.5-8.3
  
  
  Height of torus
  
  7.9±0.1
  
  
  Dia. of periphery
  
  17.5±0.4
  
  
  Vol. of cavity(approx.)Å
  
  472
  
  
  Cavity vol (approx.):
  
  per mol CD. mls
  
  per lg CD mls
  
  265
  
  0.20
  
  
  Crystal forms（from water）
  
  Quadratic prisms
  
  
  Crystallographic params.
  
  C1-C4-C4 angle
  
  112.6
  
  
  φ/φº
  
  165/-169
  
  
  O4---O4 distance Å
  
  4.48
  
  
  O2---O3 distance Å
  
  2.31
  
  
  Crystal water wt%
  
  8.13-17.7
  
  
  Diffusion const.40ºC
  
  3000
  
  
  Hydrolysis by A. oryzae α-amylase
  
  Rapid
  
  
  Vmaxvalue min-1
  
  2300
  
  
  Relative permittivity
  
  70.0
  
  39.5
  
  
  Pk (by potentionmetry) 25ºC
  
  12.081
  
  
  Partial molar volumes in solution ml/mol
  
  801.2
  
  
  Adiabatic compressidbility
  
  
  
  
  In aqueous soln.ml.mol-1.bar-1.104
  
  -5.0
  
  

• CAS Registry Number:

  17465-86-0

• Synonyms:

  ;gamma-Schardinger dextrin;-Cyclodextrin;CYCLOOCTAAMYLOSE;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[36.2.2.2~3,6~.2~8,11~.2~13,16~.2~18,21~.2~23,26~.2~28,31~.2~33,36~]hexapentacontane-41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56-hexadecol (non-preferred name);1,2,3,6-tetra-O-acetyl-4-O-(2,3,4,6-tetra-O-acetyl-beta-D-glucopyranosyl)-alpha-D-glucopyranose;(1S,3R,5R,6S,8R,10R,11S,13R,15R,16S,18R,20R,21S,23R,25R,26S,28R,30R,31S,33R,35R,36S,38R,40R,41R,42R,43R,44R,45R,46R,47R,48R,49R,50R,51R,52R,53R,54R,55R,56R)-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[36.2.2.2~3,6~.2~8,11~.2~13,16~.2~18,21~.2~23,26~.2~28,31~.2~33,36~]hexapentacontane-41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56-hexadecol (non-preferred name);Cyclooctapentylose;

• Molecular Formula:

  C₄₈H₈₀O₄₀

• Molecular Weight:

  1297.1248

• Molecular Structure:

  

• Safety Description:

  S22:;
  S24/25:;
  

• Company:

  shandong binzhou zhiyan biotechnology co.,ltd     [ China ]        

• Contact:

  bob.zhao

• Tel:

  8613562317646

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  0543-2605568

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