Eastman CAP-NF Powder is a pharmaceutical-grade cellulose acetate phthalate enteric coating material, custom-designed for the pharmaceutical solid dosage form field. It has pH-sensitive properties, can withstand the acidic environment of gastric juice and dissolve rapidly in the small intestine environment, suitable for construction in organic solvent systems
Resistance - Superior grease resistance to conventional film formers, expanding protective application scenarios
pH-Sensitive Targeting - Precisely responds to intestinal pH environment, enabling targeted intestinal drug release
Acid-Resistant Drug Protection - Withstands long-term erosion of gastric juice, protecting drugs from gastric acid damage
Pharmacopoeia Compliant - Meets USP, NF and EP standards, with high pharmaceutical safety and reliability
Easy Dissolution & Construction - Easily soluble in various organic solvents, uniform film formation, convenient and efficient construction
pH-Sensitive Targeting - Precisely responds to intestinal pH environment, enabling targeted intestinal drug release
Acid-Resistant Drug Protection - Withstands long-term erosion of gastric juice, protecting drugs from gastric acid damage
Pharmacopoeia Compliant - Meets USP, NF and EP standards, with high pharmaceutical safety and reliability
Easy Dissolution & Construction - Easily soluble in various organic solvents, uniform film formation, convenient and efficient construction
| Brand | Eastman |
| Chemical Type | Cellulose Acetate Phthalate (CAP),pH-sensitive cellulose derivative |
| Physical Form | Powder |
| Core Characteristics | pH-sensitive,Enteric,Gastric acid resistant,Easily soluble in intestine,Tough film formation |
| Pharmacopoeia Standards | Complies with USP, NF, EP specifications |
| Acetyl Content | Approx. 33%(on anhydrous and acid-free basis) |
| Phthalyl Content | Approx. 24%(on anhydrous and acid-free basis) |
| pKa Value | Approx. 4.5 |
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