Cellulose Acetate Phthalate

    Hypromellose Phthalate

Our main product Cellulose Acetate Phthalate

Also known as CAP or Cellacefate or Cellacephate or Cellulose Acetate 1,2 - Benzene Dicarboxylate. Chemical CA 9004-38-0



Struture :



Specification :

 Properties Specification
Typical value BP/USP/EP
 Identification Conforms
 Appearance of Film Conforms
 Sulphated Ash 0.04% Max 0.1%
 Residue on Ignition 0.06% -----
 Heavy metals Comforms Max 10 ppm
 Organic volatile impurities Conforms
 Viscosity @25oC 74 cps 45 - 90 cps
 Free Acid 1.1% NMT 3%
 Water 1.6% NMT 5%
 Phthaloyl groups 34% 30% to 36%
 Acetyl groups 23.5% 21.5% to 26%

Physical form :
Powder/Flakes.

Properties :
CAP withstands itself in acidic media in stomach. But it readily dissolves in slight alkaline medium of small intestine.

It is available in BP/USP/NF/EP and IP grades.

Applications :
1. Film coating of tablets
2. Enteric coating of tablets
3. Sustained release
4. Delayed release
5. Pallate coating material

Advantages of film coating :
  • Enhance palatability by masking unpleasant tastes or objectionable odours
  • Ease ingestion/swallowing
  • Improve product appearance
  • Protect tablets from light, oxidation & moisture
  • Advance the perception of superior product efficacy


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