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  • Diethanolamine （DEA）

Diethanolamine （DEA）

Diethanolamine (DEA), with the chemical formula C₄H₁₁NO₂, is a significant organic compound belonging to the ethanolamine family. It appears as a colorless to pale yellow, viscous liquid with a mild ammonia-like odor. It is hygroscopic and weakly alkaline, miscible with water and alcohol. The presence of two hydroxyl groups and one amino group in its molecule allows it to react with acids to form salts and undergo amidation with esters, making it widely used in the manufacture of surfactants, personal care products, gas purifying agents, and other fields.
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Product Parameters


Product Name (English)Diethanolamine (DEA)
CAS No.111-42-2
Physical Properties- Colorless to pale yellow viscous liquid, mild ammonia-like odor
- Hygroscopic and absorbs CO2 from air
- Miscible with water, alcohol, and acetone; insoluble in ether and benzene
- Less alkaline than Monoethanolamine (MEA)
Applications- Key intermediate for surfactants and emulsifiers (e.g., personal care products)
- Gas treating agent for acid gas removal (e.g., H2S, CO2)
- Textile softeners and lubricants
- Intermediate in the production of agrochemicals and corrosion inhibitors
SpecificationsPurity: ≥98.5%
Boiling Point: 268°C
Density: 1.097 g/cm³ (20°C)
Flash Point: 138°C (closed cup)
Packaging200 KG/drum (stainless steel or internal epoxy phenolic resin coating)

Basic Properties


  1. Physical Properties:
    · Appearance: Colorless to pale yellow, viscous liquid with an ammonia-like odor
    · Melting Point: 28°C
    · Boiling Point: 268°C (with decomposition)
    · Density: 1.097 g/cm³ (20°C)
    · Solubility: Miscible with water, ethanol, acetone; insoluble in ether, benzene
    · Refractive Index: 1.477 (20°C)

  2. Chemical Properties:
    · Weakly alkaline, less basic than monoethanolamine (MEA)
    · Reacts with acids to form salts and undergoes amidation with esters
    · Hygroscopic and absorbs carbon dioxide from the air
    · Decomposes at high temperatures

Main Applications


  1. Surfactants & Personal Care: Manufacture of foaming agents, emulsifiers, and thickeners in shampoos, body washes, and skincare products (e.g., Cocamide DEA).

  2. Gas Treating: Used similarly to MEA for purifying natural and refinery gases, often for selective removal of hydrogen sulfide (H2S).

  3. Textile Industry: Employed as a fabric softener and lubricant.

  4. Metalworking: Used as a corrosion inhibitor in cutting fluids and anti-rust formulations.

  5. Agrochemicals: Serves as an intermediate in the production of agrochemicals like herbicides.

  6. Polyurethane Industry: Used as a catalyst in the production of flexible polyurethane foams.

Safety Precautions


  1. Health Hazards:
    · Causes skin and serious eye irritation, may cause burns
    · May cause respiratory irritation
    · Prolonged or repeated skin contact may cause dermatitis
    · Animal studies show potential for specific target organ toxicity, handle with caution

  2. Handling Protection:
    · Wear protective gloves, protective eyewear, and face protection
    · Use only in a well-ventilated area. Local exhaust ventilation may be required
    · Avoid contact with skin, eyes, and clothing
    · Do not eat, drink, or smoke when using this product

  3. Storage & Transportation:
    · Store in a cool, dry, well-ventilated place away from heat and ignition sources
    · Keep container tightly closed. Use corrosion-resistant materials (e.g., stainless steel, epoxy-lined steel)
    · Store separately from strong acids and strong oxidizers
    · Protect from moisture and absorption of CO2 from the air

  4. Fire Fighting:
    · Combustible liquid. Flash point 138°C (closed cup)
    · Use water spray, foam, dry chemical, or CO2 to extinguish fire
    · Firefighters should wear full protective equipment, including self-contained breathing apparatus

Company Profile

Junteng Chemical is a professional chemical raw materials trading company dedicated to providing customers with one-stop procurement services. Through strict supplier, supply chain, and after-sales management, the company ensures that product quality, transportation, and use meet customer needs. Furthermore, the company's technical team offers customized solutions and support services free of charge.

 

The company has projects in the pharmaceutical, pesticide, petrochemical, construction, food additives, wastewater treatment, adhesives, inks, paints, coatings, plastic and rubber processing, detergent raw materials, fertilizer and textile mills, and more. Junteng Chemical sources products of stable and reliable quality, collaborating with domestic and international companies such as Luxi Group, Weiyuan Chemical, Qilu Petrochemical, Dongying Lihuayi, Yanshan Petrochemical, Sinopec, Shijiazhuang Refinery, Qingdao Petrochemical, Sailboat, Dow Chemical, BASF, South Korea, Taiwan, and Saudi Arabia. Our stable supply, superior product quality, and mature logistics have earned us a wide clientele. We look forward to collaborating with all of you for a mutually beneficial future.

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Company advantages

1

One-Stop Procurement
Platform

We integrate resources across all productcategories, including organic solvents,resins and rubbers, and inorganicchemicals,and strictly control suppliers.supply chains, and after-sales processes toensure stable quality, efficienttransportation,and worry-free use,simplifying your procurement process.

2

Professional Team TechnicalEmpowerment

Equipped with an experienced technicalteam, we provide free personalizedsolutions and professional technicalsupport to customers in varlous industrie,such as pharmaceuticals, petrochemicals,coatings and inks, and sewage treatment,.helping you solve problems and improveefficiency.

3

Global supply ChainSecurity

We work with top domestic and foreignchemical giants such as Luxi Group, QiluPetrochemical, Sinopec, BASF of Germany,and Dow of the United States to establisha stable and reliable high-quality supplynetwork and a mature logistics system toensure timely and safe delivery of
products.

4

Deep Win-Win CooperationConcept

Adhering to the concept of "integrity.immediate action, professionalism,innovation and win-win" and taking"customer success and altruism" as ourmission, we are committed to establishinglong-term strategic partnerships andcreating a better future through excellentproducts and services.

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