Product name: THPS(Tetrakis(hydroxymethyl)phosphonium sulfate)
l Formula: [(CH2OH)4P]2SO4
l CAS No.: 55566-30-8
l HS Code: 2931901990
l EINECS.: 259-709-0
Physical properties of THPS(Tetrakis(hydroxymethyl)phosphonium sulfate)
l Appearance: Clear Viscous Liquid
l Mol Weight: 406.27
l Density: 1.380-1.420
l Solubility: Soluble
l Boiling Point: 154 C (Decomposes)
l Melting Point: None
l Property: Stable under ordinary conditions.
THPS(Tetrakis(hydroxymethyl)phosphonium sulfate) COA (Typical)
Test/Property | Specification | Result |
Appearance | Colorless Clear Liquid | Colorless Clear liquid |
Assay ( [(CH2OH)4P]2SO4) | 75% Min | 76.16 |
Relative Density (25 C) | 1.380-1.420 | 1.3752 |
Viscosity(25 C) MPA.S | 30-40 | 35 |
Iron (Fe) | 15ppm Max | 12.33ppm |
pH | 3.0 TO 5.0 pH scale | 4.3 |
THPS(Terakihis(hydroxymethyl)phosphonium sulfate) Application/Usage
THPS 75% is useful in a wide variety of industries including textile finishing and leather tannage, oil and gas production and industrial water treatment. Its broad range of use is based on multifunctional properties that make it an effective agent for flame retardancy, protein crosslinking, and metal sequestration and deposit control.
THPS is a biocide effective against micropest in industrial cooling systems, oil field operations, and paper-making industry. The advantage is it will soon degrade to a nontoxic substance immediately after use,Also it can be applied to fabric coating, obviously improving flame retarding property.
Package of THPS
25kg, 250kg plastic drum, or 1000L IBC tote, total 19.6-20mt/20’FCL palletized.
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