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    MDEA (Methyldiethanolamine)

    C5H13NO2
    CAS105-59-9FormulaC5H13NO2Same-day Muscat · next-day Sohar, Salalah, DuqmSDS + CoA with every batch
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    Product Overview

    Premium MDEA for selective H2S removal and gas sweetening.

    Detailed Description

    Methyldiethanolamine (MDEA) supplier in Oman - Global Chemicals LLC provides high-purity MDEA for selective gas treating and processing in Muscat, Sohar, Duqm, Salalah, Rusayl Industrial Area. Our MDEA offers selective removal of H2S over CO2, making it ideal for applications requiring high H2S removal with partial CO2 slip. Essential for sour gas processing, LNG plants, and gas processing facilities requiring selective treating. The tertiary amine offers low corrosion rates, reduced energy consumption for regeneration, and minimal hydrocarbon co-absorption. Widely used in large-scale gas processing plants, LNG facilities, and refineries across Oman requiring selective gas treatment. The preferred choice for treating gases with high CO2/H2S ratios.

    Also Known As:

    Methyldiethanolamine, MDEA, N-Methyldiethanolamine

    CAS Number:105-59-9

    Applications & Uses

    Selective H2S removal from natural gas
    LNG plant gas sweetening
    Sour gas processing
    Bulk CO2 removal with H2S selectivity
    Tail gas treating units
    High-pressure gas treating
    Refinery gas processing
    Mixed amine systems (MDEA + activators)

    Technical Specifications

    Purity
    99% minimum
    Appearance
    Clear, colorless liquid
    Molecular weight
    119.16 g/mol
    Boiling point
    247°C
    Specific gravity
    1.038
    Selective for H2S over CO2
    Low corrosion rates
    Available in drums, IBCs, ISO tanks

    Frequently Asked Questions — MDEA (Methyldiethanolamine)

    MDEA (methyldiethanolamine) has superseded MEA as the gas sweetening solvent of choice in Oman's modern gas processing plants for five key reasons. First, selectivity: MDEA preferentially absorbs H₂S over CO₂ at standard absorption conditions, allowing CO₂ slip when only H₂S removal is required — important where CO₂ reinjection capacity is limited. Second, lower energy: MDEA has a significantly lower heat of regeneration than MEA, reducing reboiler steam consumption by 20–40% — critical for Oman operations where energy efficiency directly impacts LNG economics. Third, higher loading: MDEA can be used at 40–50 wt% concentration compared to MEA's 20–30% maximum, meaning smaller equipment and lower circulation rates. Fourth, lower degradation: MDEA does not react irreversibly with COS or CS₂ like MEA, and its thermal stability is much higher, reducing solvent replacement costs. Fifth, lower corrosivity: at equivalent acid gas loading, MDEA is significantly less corrosive than MEA, extending equipment life. Global Chemicals LLC supplies pharmaceutical-grade and industrial-grade MDEA for Oman's gas treatment units.

    Global Chemicals LLC supplies MDEA (Methyldiethanolamine) in Oman — Purity: 99% minimum — available in drums, IBCs, ISO tanks, with same-day delivery in Muscat, next-day dispatch to Sohar and Salalah, and export across the GCC. Contact us for current pricing and a Certificate of Analysis.

    MDEA (Methyldiethanolamine) is commonly used for Selective H2S removal from natural gas, LNG plant gas sweetening, and Sour gas processing. Global Chemicals LLC supplies MDEA (Methyldiethanolamine) across Oman and the wider GCC with full SDS documentation to support these applications.
    ISO 9001 Certified Fast Delivery Oman & GCC Export

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