XINGFA Tetrakis(hydroxymethyl)Phosphonium Sulfate THPS 75% for oil drilling
Product: Tetrakis (Hydroxymethyl) Phosphonium Sulfate
Abbreviation: THPS
Formula: [(CH2OH)4P]2SO4
CAS: 55566-30-8
1.Appearance: Transparent liquid to light yellow
2.Applications:
It is an environmental friendly biocide with good water solubility, low solidifying point, stable chemical performance,long shelf life, new-type, high-efficiency, wide-spectrum etc.
it's a broad-spectrum biocide against a range of bacteria, especially sulfate reducing bacteria (SRB), and algae. It is also an internationally acknowledged flame-retardants for pure cotton and polyester cotton and its flame-retarding effect can remain for a long time.
3.Specifications:
{[(CH2OH)4P]2SO4} Content: 75.0% MIN
Viscosity(25℃)MPAS: 30.0-36.0
Specific Gravity25℃): 1.350-1.420
Iron(Fe): 0.0015% Max
PH: 2.5 — 5.5
4.Storage: Hermetically sealed
5.Package: 250kg net drums, 1250kg / 1400kg IBC
What's THPS 75% UN?
THPS 75% UN: 2922
THPS 75% HS Code: 293190
THPS is made from formaldehyde, HCl and PH3, and PH3 is deadly poisonous which is produced from the processing of sodium hypophosphite(SHPP). So if a factory want to produce THPS, they need to produce sodium hypophosphite firstly.
