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Harmless Inorganic Ammonium Polyphosphate Phase I 68333-79-9

Ritardante della fiamma di polifosfato di ammonio
November 27, 2025
Category Connection: Polifosfato dell'ammonio ignifugo
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Tags:
#Polifosfato dell'ammonio ISO9001 #Non fase II del polifosfato dell'ammonio dell'alogeno #Fase II del polifosfato dell'ammonio TF-201
Brief: Stay tuned as we highlight the most important features and real-use results. In this video, we demonstrate the properties and applications of Harmless Inorganic Ammonium Polyphosphate Phase I (CAS: 68333-79-9), showing its effectiveness as an environmental flame retardant in coatings, adhesives, and fireproofing treatments for various materials.
Related Product Features:
  • This ammonium polyphosphate is an environmental flame retardant with a molecular formula (NH4)n+2PnO3n+1 where n>50.
  • It features a CAS number of 68333-79-9 and EINECS number 269-789-9, ensuring regulatory compliance.
  • The product appears as a white powder with a P2O5 content of at least 67.5% and nitrogen content of at least 13%.
  • It has low water solubility, with less than 1.5% solubility in a 10% aqueous solution at 25°C.
  • With a pH value between 6.0 and 8.0 in a 10% aqueous solution, it is suitable for various formulations.
  • It offers low moisture content below 0.3% and a viscosity of ≤50 in a 10% aqueous solution at 25°C.
  • The average particle size (D50) ranges from 15 to 25µm, facilitating easy mixing and application.
  • It is used in intumescent coatings, powder extinguishing agents, and flameproof treatments for wood, paper, and building materials.
Domande frequenti:
  • What is the CAS number for Harmless Inorganic Ammonium Polyphosphate Phase I?
    The CAS number for this product is 68333-79-9, which is a unique identifier for this specific chemical compound.
  • What are the main applications of this ammonium polyphosphate?
    It is used in powder extinguishing agents for forests and oil fields, intumescent flameproof coatings and adhesives, and flameproof treatments for wood, paper, fibers, and building materials.
  • How does the solubility of this product affect its performance?
    With a solubility of less than 1.5% in water at 25°C, it is almost insoluble, which enhances its durability and fire-protecting performance in various environments, similar to phase II ammonium polyphosphate.
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