Sodium carboxymethyl cellulose Cas 9004-32-4
Chemical Name: Sodium carboxymethyl cellulose
Synonyms: Cellulose carboxymethyl ether sodium salt; CMC sodium salt; Carboxymethyl Cellulose; CMC-Na; Carboxymethylcellulose sodium salt
CAS No.:9004-32-4
Molecular Fomula: C6H7O2(OH)2CH2COONa
Appearance:Cream colored powder
Comprehensive Guide to Sodium Carboxymethyl Cellulose (CAS 9004-32-4)
Table of Contents
1. Product Specifications & Comparative Analysis
| Parameter | Sodium CMC | HPMC | PVP |
|---|---|---|---|
| CAS Number | 9004-32-4 | 9004-65-3 | 9003-39-8 |
| Viscosity (1% Solution) | 50-10,000 mPa·s | 40-100,000 mPa·s | 5-50 mPa·s |
| Degree of Substitution (DS) | 0.4-1.5 | 1.8-2.0 | N/A |
| pH Stability | 4-12 | 3-11 | 1-14 |
2. Industrial Applications
Food Industry
- Dairy Products: Stabilizes viscosity in yogurts (0.3-0.8% w/w)
- Baked Goods: Extends freshness by 30-40% through moisture retention
Pharmaceuticals
- Tablet Binder: 2-5% concentration for sustained release formulations
- Ophthalmic Solutions: 0.5-1.2% for viscosity enhancement
3. Usage Guidelines
Solution Preparation
- Dry Blending: Premix with other powders (1:10 ratio)
- Hydration: Gradually add to 40-50°C water under 800-1200 rpm agitation
4. Case Studies
Case 1: Detergent Formulation Optimization
- Client: Leading European Detergent Producer
- Solution: 1.2% CMC added to phosphate-free formulation
- Result: 22% improvement in soil suspension capacity
Case 2: Oil Drilling Fluid Enhancement
- Client: Middle East Energy Service Company
- Solution: 0.8% High-viscosity CMC (8000 mPa·s)
- Result: 18% reduction in fluid loss at 150°C
5. Request Customized Solutions
Contact our technical team for formulation support:
- Email: info@vivalr.com
- Phone: (86) 15866781826
FAQ
- Q: What’s the lead time for samples?
- A: 3-5 working days for standard grades
- Q: Minimum order quantity?
- A: 25kg for trial orders
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