2,3-Epoxypropyltrimethylammonium Chloride (CAS 3033-77-0) Technical Guide
Table of Contents
1. Product Overview & Specifications
Chemical Profile
IUPAC Name: N,N,N-Trimethyloxiranemethanaminium chloride
Synonyms: Glycidyl trimethyl ammonium chloride, EPTAC, GTA
CAS: 3033-77-0 | EINECS: 221-221-0
Molecular Formula: C6H14ClNO | Molar Mass: 151.63 g/mol
Technical Specifications
| Parameter | Specification | Grade Comparison |
|---|---|---|
| Purity | ≥95% (Industrial Grade) | 99% (Pharma Grade Available) |
| Physical State | White crystalline solid | Moisture-sensitive powder |
| Melting Point | 137-139°C | 140°C (High-Purity Form) |
| Density | 1.13 g/mL at 20°C | N/A |
| Packaging | 25kg moisture-proof bags | Custom drum packaging |
2. Key Applications & Industrial Uses
Core Functional Properties
- Reactive quaternary ammonium compound with dual functionality (epoxy + cationic groups)
- pH-stable between 3-11 in aqueous solutions
- Reacts with hydroxyl/carboxyl groups under mild conditions (40-80°C)
Industry-Specific Applications
| Industry | Application | Performance Benefit |
|---|---|---|
| Paper Manufacturing | Cationic starch modification for wet-end chemistry | +35% dry strength improvement vs traditional agents |
| Water Treatment | Flocculant modification for heavy metal removal | 90-95% Pb2+ adsorption efficiency |
| Textile Processing | Cellulose cationization for dye fixation | Reduces dye usage by 40% |
| Petrochemicals | Clay stabilizer in drilling fluids | Reduces fluid loss by 25% |
3. Operational Guidelines & Best Practices
Recommended Usage Parameters
| Application | Dosage Range | Reaction Time | Temperature |
|---|---|---|---|
| Starch Modification | 3-8% (w/w) | 2-4 hours | 50-70°C |
| Polymer Synthesis | 1-5 mol% | 6-12 hours | RT-40°C |
Safety Handling
- Use NIOSH-approved P2 respirators when handling powder
- Maintain workplace concentration <5 mg/m3
- Emergency eye wash stations required in processing areas
4. Industry Application Case Studies
Case 1: Paper Mill Efficiency Enhancement
Challenge: A Chinese kraft paper producer needed to reduce cationic starch usage while maintaining ISO brightness >92%.
Solution: 6% EPTAC-modified starch system at 65°C reaction
Result: 22% starch cost reduction with 15% higher filler retention
Case 2: Municipal Water Purification
Challenge: Remove 90% of colloidal silica from 10,000 m3/day wastewater
Solution: 0.8 ppm EPTAC-grafted polyDADMAC flocculant
Result: 94.7% silica removal achieved within 18-minute settling time
5. Client Success Stories
Client A: Global Specialty Chemical Producer
Project: Developed EPTAC-based antistatic agent for PET films
Outcome: Surface resistivity reduced from 1015 to 108 Ω/sq
Client B: European Biotech Company
Project: Cationic functionalization of nanocellulose
Outcome: Achieved 98% drug loading efficiency in DDS applications
6. Request Customized Solutions
Optimize your production processes with our technical expertise:
- Bulk pricing available for orders >500 kg
- Custom modification services for specific cationicity requirements
- Regulatory support for REACH/TSCA compliance
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