Tetrakis Hydroxymethyl Phosphonium Sulfate THPS
Tetra Hydroxymethyl Phosphonium Sulfate
- CAS
- 55566-30-8
- EC
- 259-709-0
- Sectors
- Textiles, Leather & Paper, Water & Wastewater Treatment, Oil, Gas & Energy
Tetrakis Hydroxymethyl Phosphonium Sulfate THPS (CAS 55566-30-8) is an aqueous antimicrobial solution that appears as a clear, colorless to almost colorless viscous liquid; it is used as a biocide in water treatment and oilfield bacterial control, as an antiseptic in leather tanning, and in textiles for flame retardancy.
Typical Properties
| Molecular formula | C4H12O4P.1/2O4S |
|---|---|
| Molecular weight | 406.28 g/mol |
| Form | liquid |
| Color | Colorless to Almost colorless |
| Melting point | -35°C |
| Boiling point | 111°C |
| Density | 1.41 g/cm³ @ Temp: 20 °C |
| Water solubility | >=10 g/100 mL at 18 °C |
| Flash point | 96 °C |
| GHS signal word | Danger · Corrosive, Acute toxicity, Irritant / harmful, Health hazard, Environmental hazard |
| HS code | 29319019 |
| Grades available | Technical Grade |
Typical literature values for identification; lot-specific results are stated on the certificate of analysis (COA) and the safety data sheet (SDS) that accompany every delivery.
Tetrakis Hydroxymethyl Phosphonium Sulfate THPS
Applications
Used as biocide in water treatment; in oilfield for bacterial control; in paper manufacturing for preservation; in leather tanning as antiseptic; in textiles for flame retardancy.
Safety & Risks
Hazard H317 skin sensitization, H318 eye damage, H331 toxic if inhaled, H350 carcinogenic; react vigorously with oxidizers and alkalis; use PPE.
Packaging
Keep in suitable, closed containers; dispose uncleaned like product.