ATMP-N-Oxide•K5 (Pentapotassium salt of Amino Trimethylene Phosphonic Acid N-oxide) is a modified organophosphonate that offers several distinct advantages over traditional phosphonates, particularly in challenging chemical environments.
Product Overview
Property Description
CAS Number 255830-15-0
Molecular Formula C₃H₇NO₁₀P₃K₅
Molecular Weight 505.6
Appearance Clear, colorless to pale yellow aqueous solution
Active Content 24-26% (as ATMP)
pH (1% solution) 9.5 – 10.5
Key Performance Features
Superior Chlorine Stability
The most significant feature of ATMP-N-Oxide•K5 is its exceptional stability in the presence of chlorine . This makes it a “chloride stable phosphonate” suitable for applications where oxidizing biocides are used.
Metal Ion Sequestration
It exhibits sequestration of metal ions at stoichiometric concentrations, functioning as an effective chelating agent for hardness ions and metals like iron and copper.
Mild Scale Inhibition
It serves as an effective mild scale inhibitor, particularly in alkaline conditions.
Primary Applications
Application Area Specific Functions
Textile Processing • Dyeing & Printing: Prevents de-metallization of dyes, ensuring better dye strength and no shade variation.
• Soaping: High performance in soaping of reactive and vat dyes.
• Bleaching: Suitable for textile bleach applications.
• Dye Bath Additive: Disperses dyes, resulting in purer and brighter dyeing.
• Chelation: Works as hardness corrector and chelating agent for iron and copper.
Industrial & Institutional (I&I) • Detergents: Used in industrial detergent formulations.
• Bottle Washing: Suitable for bottle washing applications.
• Disinfectants: Can be incorporated into disinfectant products.
Water Treatment • Swimming Pools: Treatment of swimming pool water.
• Industrial Water: Used in industrial water treatment and oil field applications.
Key Advantages in Textile Processing
In textile applications specifically, ATMP-N-Oxide•K5 offers unique value due to its mild chelating capacity :
Preserves Dye Integrity: Unlike conventional chelating agents that may strip metals from dye molecules (de-metallization), this product prevents that, maintaining dye strength.
Prevents Shade Variation: By controlling metal ions without interfering with dyes, it ensures consistent coloration.
Dye Savings: The improved dye strength and consistency indirectly saves dye quantity required to achieve desired shades.
Brighter Results: Offers dyeing in purer and brighter form due to its dispersing properties.