Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Tosoh TEPA Tetraethylenepentamine

Tosoh TEPA Tetraethylenepentamine is a high-purity aliphatic polyamine from Tosoh’s specialty amine series, widely used as a curing agent for epoxy resins, chelating ligand, and intermediate in agrochemicals and surfactants. It features low volatility, excellent reactivity, and consistent batch-to-batch quality—ideal for demanding industrial applications requiring precision and reliability.
  • tosoh tepa tetraethylenepentamine_559557ab
  • tosoh tepa tetraethylenepentamine_559557ab

Features Of Tosoh TEPA Tetraethylenepentamine

  1. High-purity, low-color-grade amine with consistent batch-to-batch reproducibility.

  2. Optimized molecular structure delivering balanced reactivity and latency for controlled curing systems.

  3. Low volatility and favorable handling characteristics compared to lower-molecular-weight polyamines.

  4. Excellent solubility in common organic solvents and water, enabling versatile formulation flexibility.

  5. Stable shelf life under recommended storage conditions (cool, dry, nitrogen-blanketed).

Typical Applications Of Tosoh TEPA Tetraethylenepentamine

  1. Epoxy resin curing agent for high-performance composites and electrical encapsulants.

  2. Chelating ligand precursor in metal extraction and catalyst synthesis.

  3. Intermediate for corrosion inhibitors used in oilfield and industrial water treatment.

  4. Building block in the production of specialty surfactants and functional polymers.

  5. Crosslinker for polyurethane dispersions and aqueous coating systems.

Specifications Of Tosoh TEPA Tetraethylenepentamine

Chemical TypeBranched aliphatic polyamine
Product FormLiquid
AppearanceClear, pale yellow to amber liquid
Amine Value (mg KOH/g)470–490
Color (APHA)≤150
Water Content (wt%)≤0.5
Density at 25°C (g/cm³)1.02–1.04
pH (10% aqueous solution)11.0–12.0


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