hydroxypropyl methylcellulose phthalate cas 9050-31-1

Hydroxypropyl Methylcellulose Phthalate (HPMCP) CAS 9050-31-1: Comprehensive Product Guide

Table of Contents

• 1. Product Overview & Specifications
• 2. Key Applications & Use Cases
• 3. Technical Parameter Comparison
• 4. Industry Case Studies
• 5. Client Success Stories
• 6. Request Customized Solutions

1. Product Overview & Specifications

CAS Number: 9050-31-1
Molecular Formula: C₃₆H₅₄O₁₄
Appearance: White to off-white powder
Solubility: Soluble in acetone/water mixtures, insoluble in gastric fluids
Phthalyl Content: 18-24%
Viscosity (2% solution): 3-15 mPa·s

Key Features:

• pH-dependent solubility (dissolves above pH 5.0-5.5)
• Excellent film-forming properties
• USP-NF compliant for pharmaceutical applications

2. Key Applications & Use Cases

3. Technical Parameter Comparison

4. Industry Case Studies

Case 1: Enteric-coated Proton Pump Inhibitor Tablets

Challenge: Prevent rapid API degradation in gastric environment
Solution: 8% HPMCP coating layer applied via fluid bed system
Result: 98% drug release at intestinal pH within 45 minutes

Case 2: Moisture-sensitive Nutraceutical Encapsulation

Challenge: Maintain stability in high humidity conditions
Solution: HPMCP-based moisture barrier coating
Result: 89% reduction in moisture absorption

5. Client Success Stories

PharmaCo Solutions (Germany)

Application: Delayed-release antidepressant tablets
Outcome: Achieved 24-month shelf stability with <2% degradation

NutraHealth Inc. (USA)

Application: Enteric-coated probiotic formulations
Outcome: 10⁹ CFU viability maintained through gastric transit

6. Request Customized Solutions

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