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
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 |
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 |
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 |
Challenge: Required thermal-stable nylon for automotive components
Solution: 15% C14 Diacid incorporation in polyamide matrix
Outcome: 22% improvement in heat deflection temperature (HDT)
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
Challenge: Sustained-release coating for NSAID tablets
Solution: C14 Diacid-based polymeric coating (3μm thickness)
Outcome: Extended release profile to 12-16 hours
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