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Technical Data Sheet
Eastman™ Cellulose Acetate Butyrate (CAB-171-15NF)


Applications
  • Personal care ingredients
  • Pharmaceutical excipients

Product Description
When cellulose is esterified with both acetyl and butyryl radicals to form the mixed ester, cellulose acetate butyrate, many of the desirable properties of both esters are obtained. Eastman™ Cellulose Acetate Butyrate CAB 171-15 National Formulary has the lowest butyryl content in the series of Eastman™ Cellulose Acetate Butyrates. It can be used as coating material as the semi-permeable membrane for osmotic drug delivery. It is also used for taste-masking and sustained release tableting. Eastman™ Cellulose Acetate Butyrate CAB-171-15 NF is made under cGMP and meets the requirements of the National Formulary (NF). Eastman™ Cellulose Acetate Butyrate CAB-171-15 NF is available in powder form.

Typical Properties

PropertyTest MethodTypical Value, Units
General
Form Solid (powder)
Color White
Composition 
     Acetyl 28-31 %
     Butyryl 16.5-19 %
     Hydroxyl 0.8-1.4 %
     Moisture 5.0 wt % max.
Solubility in Water Negligible
ViscosityASTM A14-24 s



Comments
Properties reported here are typical of average lots. Eastman makes no representation that the material in any particular shipment will conform exactly to the values given.


Eastman and its marketing affiliates shall not be responsible for the use of this information, or of any product, method, or apparatus mentioned, and you must make your own determination of its suitability and completeness for your own use, for the protection of the environment, and for the health and safety of your employees and purchasers of your products. No warranty is made of the merchantability of fitness of any product, and nothing herein waives any of the Seller's conditions of sale.