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2-Carboxythyl(phenyl)phosphinicacid

As one kind of environment-friendly fire retardant, it can be used permanent flame retarding modification of polyester, and the spinnability of flame retarding polyester is similar to PET, thus it can be used in all kinds of spinning system, with features as excellent thermal stability, no decompound during spinning and no smell.


  • Molecular Formula: C9H11O4P
  • Molecular weight: 214.16
  • CAS NO.: 14657-64-8
  • Product Detail

    Product Tags

    Product Identification
    Product name: 2-Carboxyethyl(phenyl)phosphinicacid, 3-(Hydroxyphenylphosphinyl)-propanoic acid
    Abbreviation: CEPPA, 3-HPP
    CAS NO.: 14657-64-8
    Molecular weight: 214.16
    Molecular formula:C9H11O4P
    Structural formula:

    2-Carboxyethyl(phenyl)phosphinicacid1

    Property
    Soluble in water, glycol and other solvents, weak water adsorption in normal temperature, stable in room temperature.

    Quality index

    Appearance white powder or crystal
    Purity(HPLC) ≥99.0%
    P ≥14.0±0.5%
    Acid value 522±4mgKOH/g
    Fe ≤0.005%
    Chloride ≤0.01%
    Moisture ≤0.5%
    Melting point 156-161℃

    Application
    As one kind of environment-friendly fire retardant, it can be used permanent flame retarding modification of polyester, and the spinnability of flame retarding polyester is similar to PET, thus it can be used in all kinds of spinning system, with features as excellent thermal stability, no decompound during spinning and no smell. It can be used in all the application fields of PET to improve antistatic capacity of polyester. The dosage for copolymerization of PTA and EG is 2.5~4.5%, the phosphorus assay of flame retarding polyester sheet is 0.35-0.60%, and the LOI of flame retarding products is 30~36%.

    Package
    25kg cardboard drum or plastic bag lined woven bag

    Storage
    Store in a cool, dry, well-ventilated place, away from the strong oxidizer.


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