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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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