Tetradecanedioic Acid Cas 821-38-5
Chemical Name: Tetradecanedioic acid
Synonyms: 1,12-Dodecanedicarboxylic acid; dodecanedicarboxylic acid; Tetradecanedicarboxylate; tetradecanedioate
CAS No.: 821-38-5
Molecular Formula: C14H26O4
Molecular Weight: 258.35
Appearance: White Powder
Comprehensive Guide to Tetradecanedioic Acid (CAS 821-38-5)
Table of Contents
1. Product Overview & Specifications
| Parameter | Specification |
|---|---|
| Chemical Name | Tetradecanedioic Acid |
| CAS Number | 821-38-5 |
| Molecular Formula | C14H26O4 |
| Appearance | White crystalline powder |
| Purity Grade | Industrial (≥98%), Pharmaceutical (≥99.5%) |
| Melting Point | 127-129°C |
| Solubility | Soluble in hot water, ethanol, and alkaline solutions |
2. Key Applications & Industry Uses
Core Functional Applications:
- Polymer Production: Essential monomer for high-performance polyamides and polyesters
- Cosmetic Science: pH regulator and viscosity modifier in premium skincare formulations
- Pharmaceutical Intermediates: Building block for controlled-release drug matrices
- Lubricant Additives: Thermal stabilizer in synthetic engine oils
- Research Chemistry: Substrate for novel bi-functional compound synthesis
3. Operational Guidelines & Safety
| Handling Aspect | Protocol |
|---|---|
| Storage Requirements | 2-8°C in sealed containers with desiccant |
| Personal Protection | Nitrile gloves + ANSI-approved goggles |
| Spill Management | Absorb with inert material, neutralize with 5% sodium bicarbonate |
| Incompatibilities | Strong oxidizers, concentrated mineral acids |
4. Performance Comparison Analysis
| Property | C12 Diacid | C14 Diacid | C16 Diacid |
|---|---|---|---|
| Melting Point | 109°C | 128°C | 134°C |
| Hydrophobicity | Moderate | Balanced | High |
| Polymer Flexibility | High | Optimal | Low |
| Reactivity Index | 1.2 | 1.0 | 0.8 |
5. Real-World Implementation Cases
Case Study 1: Advanced Polymer Solutions (Germany)
Challenge: Required thermal-stable nylon for automotive components
Solution: 15% C14 Diacid incorporation in polyamide matrix
Outcome: 22% improvement in heat deflection temperature (HDT)
Case Study 2: Cosmetic Innovations Ltd. (France)
Challenge: Developing pH-sensitive anti-aging emulsion
Solution: 0.8% C14 Diacid as buffering agent
Outcome: Achieved stable pH 5.5±0.2 under varying storage conditions
Case Study 3: PharmaTech Inc. (USA)
Challenge: Sustained-release coating for NSAID tablets
Solution: C14 Diacid-based polymeric coating (3μm thickness)
Outcome: Extended release profile to 12-16 hours
6. Consultation & Procurement Support
Optimize your chemical formulations with premium-grade Tetradecanedioic Acid:
Technical Support: formulation@vivalr.com
Procurement Team: (86) 15866781826
Quality Assurance: Batch-specific COA available upon request
Global Logistics: FOB/DAP/DDP terms available



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