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

Clariant Hordaphos MDAH

Clariant Hordaphos MDAH is a high-purity, low-volatility phosphonic acid derivative from Clariant’s Hordaphos series, designed as a corrosion inhibitor and scale suppressant in industrial water treatment and oilfield applications. It offers excellent thermal stability, chelating efficiency, and compatibility with other additives—making it ideal for demanding high-temperature, high-hardness systems.
  • clariant hordaphos mdah_61c7f90a
  • clariant hordaphos mdah_61c7f90a

Features Of Clariant Hordaphos MDAH

  1. Highly effective metal deactivator for copper and other transition metals in hydrocarbon-based systems.

  2. Excellent thermal and hydrolytic stability under demanding processing conditions.

  3. Low volatility and low odor, supporting safer handling and improved workplace hygiene.

  4. Compatible with common antioxidants, antistatic agents, and polymer additives.

  5. Non-staining and non-corrosive to typical packaging and process equipment materials.

Typical Applications Of Clariant Hordaphos MDAH

  1. Stabilization of lubricating oils and greases for industrial and automotive use.

  2. Additive in transformer oils and insulating fluids for enhanced long-term dielectric integrity.

  3. Performance enhancer in fuel formulations to suppress catalytic degradation by trace metals.

  4. Stabilizer in polyolefin-based cable compounds and insulation materials.

  5. Functional additive in hydraulic fluids and turbine oils requiring extended service life.

Specifications Of Clariant Hordaphos MDAH

Chemical TypeMetal deactivator (benzotriazole derivative)
Product FormPale yellow to light amber liquid
AppearanceClear, homogeneous liquid at 25 °C
Density (20 °C)Approx. 1.08–1.12 g/cm³
Flash Point (PMCC)≥ 160 °C
SolubilityMiscible with most hydrocarbon solvents and mineral oils
Primary ApplicationsLubricants, transformer oils, fuels, polymer compounds
Key FeaturesMetal passivation, thermal stability, compatibility, low volatility


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