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                            | Tetrakis-Hydroxymethyl 
                              Phosphonium Sulfate (THPS) |  
                            | Molecular Formula | [(CH2OH)4P]2SO4 |  
                            | Molecular Weight  | 406.28 |  
                            | Cas No | 55566-30-8 |  
                            | Properties  | Has its characteristic odor. 
                              Non-flammable. Has mild acid properties and are 
                              considered corrosive. Easily biodegradable and 
                              considered environmentally friendly 
compound.
 |  
                            | Specifications  | 
                                
                                
                                | Appearance  | Colorless or straw yellow 
                                liquid |  
                                | Assay of THPS(%) | 75.0-77 |  
                                | Active P(%) | 11-12 |  
                                | PH | 3.0-5.0 |  
                                | Specific Gravity (25℃) (g/ml) | 1.370-1.400 |  
                                | Viscosity(cps)(25℃) | ≤50 |  |  
                            | Uses | Has been replacing older, more toxic biocides 
                              in the following markets/customers 
                              served:Industrial Water Treatment; Paper 
                              Manufacture; Leather Tanning; Oil Field 
                              Drilling&production
 |  
                            | Storage  | -- |  
                            | Packing  | 250kg plastic drum  |  |  |  |  |