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Eastman CA-320S NF/EP Cellulose Acetate
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Producer: 
Eastman
Eastman™ Cellulose Acetate (CA-320S NF/EP) is a low acetyl content of CA. CA-320S NF/EP is commonly used in osmotic (controlled-release) drug delivery and taste-masking. CA- 320S NF/EP is made under cGMP and meets the requirements of the National Formulary (NF) and European Pharmacopoeia (EP). CA-320S NF/EP is available in pellet form.

Eastman CA-320S NF/EP Cellulose Acetate

Producer: 
Eastman
Eastman™ Cellulose Acetate (CA-320S NF/EP) is a low acetyl content of CA. CA-320S NF/EP is commonly used in osmotic (controlled-release) drug delivery and taste-masking. CA- 320S NF/EP is made under cGMP and meets the requirements of the National Formulary (NF) and European Pharmacopoeia (EP). CA-320S NF/EP is available in pellet form.
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Features & Benefits

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Product Highlights
  • For use in coatings: semipermeable, excellent film former,strong, flexible
  • Characteristics of coating can be modified (permeability, mechanical strength, flexibility) through blending two CAs or CA with CAB.
  • For use in tableting directly compressible, matrix for sustained release
  • CAB is more hydrophobic than CA.
  • Requires a solvent for coatings formulations
  • Modify a wide range of film properties through additives
  • Adjust sustained release by blending CA with CAB

Applications & Uses

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Recommended Uses
  • Semipermeable membrane for osmotic drug delivery
    systems
  • Coating for extended-release tablets
  • Coating for taste masking
  • Binder to make tablets for sustained release via direct
    compression

Properties

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Physical Properties
ValueUnitsTest Method / Conditions
OdorOdorless
Typical Properties
ValueUnitsTest Method / Conditions
ColorWhite--
Loss on Dryingmax 5wt %
Acetyl Content32.0-34.5wt %
Pyridine Viscosity170-280Cps
Solubility in WaterNegligible
Solubility in AcetoneNegligible
Solubility in WaterNegligible--
Pyridine Viscosity170-280cps-
Acetyl Content32.0-34.5wt %-
Loss on Dryingmax. 5.0wt %-
Appearance
White
Insoluble in
Water

Documents (10)

Name
Type
Cellulose ester blends for tunable drug delivery
Brochure
Eastman pharmaceutical excipients
Other
Eastman cellulose esters for pharmaceutical drug delivery
Other
Eastman cellulose esters for osmotic drug delivery
Other
Compatibility of EASTMAN Cellulose Acetate Butyrate/Cellulose Acetate Propionate and European Resins
Other