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

Dow Diethanolamine DEA

Dow Diethanolamine DEA is a high-purity secondary amine from Dow’s Ethanolamines series, widely used as a CO₂/H₂S scrubber in gas treatment, corrosion inhibitor, and surfactant intermediate. It offers excellent alkalinity, solubility, and reactivity, meeting stringent industrial and pharmaceutical standards with consistent batch-to-batch performance.
  • dow diethanolamine dea_143a4ea4
  • dow diethanolamine dea_143a4ea4

Features Of Dow Diethanolamine DEA

  1. High-purity, low-color diethanolamine with consistent batch-to-batch performance.

  2. Excellent solubility in water and common organic solvents, facilitating easy formulation integration.

  3. Strong hydrogen-bonding capability and dual secondary amine functionality for effective CO₂ and H₂S absorption.

  4. Low volatility and thermal stability suitable for high-temperature gas treating processes.

  5. Non-corrosive to carbon steel under typical operating conditions when properly formulated.

Typical Applications Of Dow Diethanolamine DEA

  1. Natural gas and refinery gas sweetening for acid gas (CO₂/H₂S) removal.

  2. Formulation of personal care products including shampoos, body washes, and facial cleansers as a pH adjuster and foam booster.

  3. Corrosion inhibitor component in industrial water treatment and metalworking fluids.

  4. Chemical intermediate for synthesis of amphoteric surfactants such as cocamidopropyl betaine.

  5. Emulsifier and stabilizer in agricultural adjuvants and pesticide formulations.

Specifications Of Dow Diethanolamine DEA

Chemical TypeSecondary alkanolamine
Product FormLiquid at room temperature
AppearanceClear, colorless to pale yellow liquid
Amine Value (mg KOH/g)470–490
Purity (by GC)≥ 99.0%
Water Content (wt%)≤ 0.5%
Color (APHA)≤ 20
Density at 20°C (g/cm³)1.090–1.095


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