NNN N Tetramethylethylenediamine Properties

As a leading manufacturer since 2001, Shijiazhuang Sincere Chemicals Co., Ltd. provides comprehensive technical specifications for nnn n tetramethylethylenediamine (also called tetramethylethylenediamine or tmeda chemical), a versatile compound widely used in pharmaceuticals, polymers, and specialty chemical synthesis.

Nnn N Tetramethylethylenediamine Physical Properties

• Molecular formula- C₆H₁₆N₂ for tetramethylethylenediamine
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  • Appearance - Clear colorless liquid for tmeda chemical
  • Odor - Strong amine-like smell characteristic of nnn n tetramethylethylenediamine
  • Boiling point - 120-122°C (248-252°F) for tetramethylethylenediamine
  • Density - 0.78 g/cm³ at 25°C (77°F) for tmeda chemical
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Tetramethylethylenediamine Chemical Characteristics

• Basicity - Strong organic base (pKb ~3.0) for nnn n tetramethylethylenediamine

• Solubility - Miscible with water and organic solvents for tmeda chemical
• Reactivity - Nucleophilic properties of tetramethylethylenediamine
• Stability - Stable under normal conditions for nnn n tetramethylethylenediamine
• Complexation - Forms coordination compounds as tmeda chemical

Tmeda Chemical Functional Properties

• Catalytic activity - Nnn n tetramethylethylenediaminein polymerization reactions
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  • Ligand properties - Tetramethylethylenediamine in transition metal complexes
  • Buffer capacity - pH control applications of tmeda chemical
  • Crosslinking - Nnn n tetramethylethylenediamine in epoxy curing
  • Neutralization - Acid scavenging with tetramethylethylenediamine
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Nnn N Tetramethylethylenediamine Safety Data

• Flash point - 17°C (63°F) for tmeda chemical
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  • Autoignition - 235°C (455°F) for tetramethylethylenediamine
  • Corrosivity - Mild steel corrosion by nnn n tetramethylethylenediamine
  • Vapor pressure - 15 mmHg at 20°C (68°F) for tmeda chemical
  • Viscosity - 0.92 cP at 25°C (77°F) for tetramethylethylenediamine
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Tetramethylethylenediamine Industrial Applications

• Polyurethane catalyst - Nnn n tetramethylethylenediaminein foam production
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  • Pharmaceutical intermediate - Tmeda chemical in drug synthesis
  • Electroplating additive - Tetramethylethylenediamine in metal deposition
  • Epoxy curing - Accelerator properties of nnn n tetramethylethylenediamine
  • Research reagent - Tmeda chemical in organic synthesis
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Tetramethylethylenediamine FAQs

Q: What are the primary applications of tetramethylethylenediamine in chemical synthesis?

A: Tetramethylethylenediamine (TMEDA) is widely used as a ligand in organometallic chemistry, stabilizing metal complexes like lithium diisopropylamide (LDA). It also functions as a catalyst in polyurethane foam production and a curing agent in epoxy resins, accelerating cross-linking reactions.

Q: How does NNN N tetramethylethylenediamine differ from other amine catalysts in polymerization?

A: Unlike linear amines, NNN N tetramethylethylenediamine features a cyclic tetraalkyl structure, providing stronger Lewis base activity and improved thermal stability. This makes it ideal for reactions requiring high-temperature resistance, such as in the synthesis of engineering plastics.

Q: What safety protocols should be followed when handling TMEDA chemical?

A: TMEDA chemical is a corrosive liquid and may cause skin/eye irritation. Always wear nitrile gloves and safety goggles; work in a fume hood to avoid vapor inhalation. Store in a cool, dry place away from oxidizers, as it is flammable and reacts with air moisture.

Q: Can tetramethylethylenediamine be used in water-based formulations?

A: Yes, tetramethylethylenediamine is soluble in water, making it suitable for water-based coatings and adhesives. Its amine groups help adjust pH and enhance dispersion stability, though compatibility with acidic components should be verified to prevent salt formation.

Q: What regulatory classifications apply to TMEDA chemical (CAS 110-18-9) globally?

A: TMEDA chemical is listed under REACH (EC 1907/2006) and requires registration for use in the EU. In the U.S., it falls under OSHA’s Hazardous Communication Standard (HCS), mandating SDS documentation. Exporters must comply with ADR/RID regulations for transport and ensure labeling meets GHS hazard criteria.

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