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    HomeProductsBasic & Fine ChemicalsChemical IntermediatesDiethylenetriamine (CAS 111-40-0)
    • Diethylenetriamine (CAS 111-40-0)
    • Diethylenetriamine (CAS 111-40-0)
    • Diethylenetriamine (CAS 111-40-0)

    Diethylenetriamine (CAS 111-40-0)

    Diethylenetriamine (DETA, CAS 111-40-0) is a low-molecular-weight polyamine serving as a key intermediate in the production of epoxy curing agents, chelating agents, surfactants, and corrosion inhibitors. Its molecular formula is C4H13N3 with a molecular weight of 103.17 g/mol.

    Diethylenetriamine (also known as Bis(2-aminoethyl)amine or N-(2-aminoethyl)ethane-1,2-diamine) appears as a colorless to pale yellow liquid with a characteristic ammonia-like odor. It has a density of 0.955-0.96 g/cm³ at 25°C, boiling point of 206-207°C, and is fully miscible with water and polar organic solvents.

    With a minimum purity of 99.5%, DETA is utilized across multiple industrial sectors:

    • Epoxy resin curing systems and adhesive formulations
    • Gas purification for removal of CO₂ and H₂S
    • Water treatment and metal chelation processes
    • Synthetic resin and polyamide manufacturing
    • Textile auxiliaries and paper reinforcement

    COA, TDS, and SDS are available upon request. Standard packaging is 190 kg/drum. For pricing, availability, or technical specifications, please contact our sales team.

    • CAS: 111-40-0
    • Synonyms: DETA, Diethylene triamine, Bis(2-aminoethyl)amine, N-(2-aminoethyl)ethane-1,2-diamine
    • Einecs: 203-865-4
    • Molecular Formula: C₄H₁₃N₃
    • Grade: 99.5%
    • Package: 190kg/drum or as required
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    Product Description

    1 Product Overview
    2 Product Information / Specifications
    3 Physical & Chemical Properties
    4 Applications
    5 Packaging
    6 Storage Conditions
    7 Safety Precautions

    Product Overview

    Diethylenetriamine is provided for industrial use as a reactive polyamine intermediate. Its multiple amine groups make it suitable for curing systems, resin processing, gas treatment chemistry, and downstream synthesis routes that require strong amine reactivity.

    This product is more appropriately positioned as an industrial chemical and intermediate rather than a finished end-use formulation ingredient. Product selection is generally based on identity consistency, purity level, moisture control, and compatibility with the intended process system.

    Product Information / Specifications

    Product NameDiethylenetriamine
    Common NameDETA
    SynonymsBis(2-aminoethyl)amine; N-(2-aminoethyl)ethane-1,2-diamine
    CAS Number111-40-0
    EINECS Number203-865-4
    Molecular FormulaC4H13N3
    Molecular Weight103.17 g/mol
    Typical Grade99.5%
    Standard Packaging190 kg/drum or as required
    Product IdentityIndustrial chemical / polyamine intermediate

    Physical & Chemical Properties

    AppearanceColorless or yellow transparent liquid
    OdorAmmonia-like odor
    Density0.955–0.96 g/cm³ at 25°C
    Melting Point-35 to -40°C
    Boiling Point206–207°C
    Flash Point94–101°C
    SolubilityMiscible with water, ethanol, acetone, benzene, and methanol; insoluble in ether and n-heptane
    pH Value>12 (100 g/L, H₂O, 20°C)
    Refractive Index1.4810–1.4846 at 20°C
    Stability NoteStable but hygroscopic; absorbs moisture and carbon dioxide from air

    Applications

    • Epoxy resin curing systems and related industrial adhesive applications
    • Gas purification for removal of acidic gases such as carbon dioxide and hydrogen sulfide
    • Water treatment and metal chelation related process systems
    • Synthetic resin production including polyamide and ion exchange resin related manufacturing
    • Textile auxiliaries and paper reinforcement related processing
    • Lubricant additives and metal processing auxiliaries in selected industrial systems

    Packaging

    Standard packaging is commonly supplied in 190 kg drums or according to shipment requirement.

    Packaging information may vary by grade, destination, and transport arrangement.

    Storage Conditions

    • Store below 30°C in a dry, well-ventilated area.
    • Keep containers tightly sealed to reduce moisture absorption and carbon dioxide uptake.
    • Avoid humid storage conditions and prolonged exposure to air.
    • Store away from incompatible materials and use handling systems suitable for corrosive alkaline amines.

    Safety Precautions

    • Handle with suitable chemical protective gloves, goggles, and protective clothing.
    • Avoid contact with skin, eyes, mucous membranes, and respiratory exposure.
    • Use good ventilation during transfer and processing.
    • Avoid contact with copper and copper alloys where corrosion may occur.
    • Refer to the latest SDS before storage, transport, and industrial use.

    FAQ - Technical & Supply Chain

    • Q:

      What is Diethylenetriamine (DETA) primarily used for in industrial synthesis?

      A: Diethylenetriamine (DETA, CAS 111-40-0) is a low-molecular-weight polyamine serving as a key intermediate in the production of epoxy curing agents, chelating agents, surfactants, and corrosion inhibitors. Its three amine groups provide high reactivity for crosslinking and complexation in polymer and chemical manufacturing processes.
    • Q:

      What purity grade is standard for Diethylenetriamine?

      A: Diethylenetriamine is typically supplied at a minimum purity of 99.5%. Higher purity ensures consistent stoichiometric control in epoxy curing formulations and minimizes side reactions in synthetic processes where precise amine functionality is required.
    • Q:

      What are the key physical properties of DETA?

      A: Diethylenetriamine has a molecular weight of 103.17 g/mol and appears as a colorless to pale yellow liquid with a characteristic amine odor. It has a boiling range of approximately 200–208°C and is fully miscible with water and polar organic solvents.
    • Q:

      What safety precautions are required when handling Diethylenetriamine?

      A: DETA is a moderately corrosive amine that can cause skin and eye irritation. Use protective gloves, safety goggles, and chemical-resistant clothing. Ensure adequate ventilation and avoid inhalation of vapors. Refer to the latest SDS for detailed first aid and spill response procedures.
    • Q:

      How does Diethylenetriamine compare with related polyamines like TETA and TEPA?

      A: DETA (CAS 111-40-0) has a linear triamine structure with three amine groups, while TETA (triethylenetetramine, CAS 112-24-3) has four and TEPA (tetraethylenepentamine, CAS 112-57-2) has five. DETA offers the lowest viscosity and fastest reactivity among these ethyleneamines, making it preferred for rapid-cure epoxy systems.
    • Q:

      What are the moisture absorption concerns when storing Diethylenetriamine?

      A: Diethylenetriamine is hygroscopic and can absorb moisture and carbon dioxide from ambient air during storage. This can affect its stoichiometric accuracy in curing formulations and downstream reactions where precise amine functionality is required. To maintain product quality, containers should be kept tightly sealed when not in use, and storage in a dry, well-ventilated area below 30°C is standard practice.
    Documents

    Documents and Product Support

    For product review and sourcing evaluation, supporting documents can be coordinated according to the product type, inquiry stage, and order requirements.

    • COA for batch-based quality reference
    • TDS for key physical and chemical information
    • SDS / MSDS for handling, storage, and safety reference
    • Packing information for sample, trial, and bulk orders
    • Technical communication based on application and specification requirements
    Quotation

    Information to Confirm Before Quotation

    Clear sourcing information helps reduce specification mismatch and allows a more accurate quotation before sample or bulk order discussion.

    • Product name and CAS number
    • Application or intended end use
    • Required purity, grade, or specification
    • Sample quantity, trial order, or bulk demand
    • Preferred packing form or net weight
    • Destination country or port
    • Required documents or compliance expectations
    Storage & Handling

    Packaging, Storage, and Handling Notes

    Packaging form, storage conditions, shelf life, and shipment arrangements should be confirmed according to the product characteristics, package size, and destination requirements.

    Before order confirmation, buyers are advised to review the corresponding product documents and confirm whether any special storage, labeling, or handling requirements apply.

    Supply Support

    Sample, Bulk Order and Repeat Supply Support

    Support can be arranged for sample discussion, bulk supply planning, packaging confirmation, and routine sourcing communication based on the actual product and order requirements.

    For repeat-use formulations or long-term procurement plans, buyers may discuss specification consistency, packaging preferences, delivery expectations, and document coordination in advance.

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    Use our contact form to send us your questions, suggestions or comments. We will respond as soon as possible.

    Product Categories

    Tags:

    Amine Intermediate Chemical Intermediate Epoxy Hardener Polyamine

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