E-GRADE® Methyldiethanolamine (E-GRADE® MDEA Amine)

E-GRADE® Methyldiethanolamine (E-GRADE® MDEA Amine) is primarily used in stripping, cleaning, and wet etching formulations in the semiconductor, display, and PCB industries. Most are water-soluble and contain aminoglycol or polyether structures where both the amine and glycol functions contribute to their performance.

Chemical Family: Amines

End Uses: Electronics, Printed Circuit Boards, Semiconductor

Applicable Processes: Etching Applications, Metal Removal, Semiconductor Etching, Semiconductor Manufacturing

Features: Faster Stripping, High Purity, Low Trace Metals, Low Vapor Pressure, Water Soluble

    Enhanced TDS

    Identification & Functionality

    Blend
    No
    CAS Number
    105-59-9
    Chemical Family
    Chemical Name
    Function
    Curing Agent, Catalyst
    Single Ingredient
    Yes
    Synonyms
    MDEA
    Technologies
    Product Families
    Chemical Structure

    E-GRADE® Methyldiethanolamine (E-GRADE® MDEA) - Chemical Structure - 1

    Features & Benefits

    Industrial Additives Features
    Product Features
    • High purity
    • Low trace metals
    • Low vapor pressures
    • Water soluble
    • Trace metal reduction via purification
    • Blending and aqueous dilution available
    • Range of metal removal rates
    • Range of pK, and buffering abilities

    Applications & Uses

    Properties

    Physical Form
    Soluble In

    Regulatory & Compliance

    Technical Details & Test Data

    Linear Polarization Resistance Corrosion Rates for 10 wt% Aqueous Amines

    E-GRADE® Methyldiethanolamine (E-GRADE® MDEA) - Linear polarization resistance corrosion rates for 10 wt% aqueous amines - 1

    • In general, primary amine metal removal rates are higher than secondary and tertiary amines.
    • Aluminum removal rates are highest requiring careful choice of amine.
    • Tungsten and Molybdenum are relatively inert to amines.

    Packaging & Availability

    Regional Availability
    • Global

    Other

    Appearance
    Clear and substantially free of foreign matter
    Color (SDS)
    Colorless
    Odor (SDS)
    Ammoniacal
    Chemical Properties
    ValueUnitsTest Method / Conditions
    pH11.5-
    Physical Properties
    ValueUnitsTest Method / Conditions
    Boiling Point247.0 °C°C
    Flash Point140.0 °C°CPensky-Martens Closed Cup (PMCC)
    Molecular Weight119.0 g/molg/mol
    Specific Gravity1.0431-