Tetrakis(hydroxymethyl)phosphonium sulfate CAS 55566-30-8

Table of Contents

• Product Overview
• Key Applications
• Industry Case Studies
• Client Success Stories
• Contact for Technical Consultation

Tetrakis(hydroxymethyl)phosphonium Sulfate (THPS) Technical Specifications

CAS 55566-30-8 | Molecular Formula C₄H₁₂O₁₂P₂S

Chemical Properties

• Appearance: Clear pale yellow liquid
• Density: 1.3-1.4 g/cm³ @20°C
• Solubility: Fully miscible in water

Industrial Applications of THPS

1. Oilfield Biocide

Effective against SRB (Sulfate-Reducing Bacteria) at 50-100 ppm concentration. Reduces H₂S production by 98% in shale gas operations.

2. Water Treatment

Controls legionella in cooling towers at 10-30 ppm dosage. Compatible with corrosion inhibitors like benzotriazole.

3. Pulp & Paper Manufacturing

Eliminates slime-forming bacteria in paper machine circuits. Typical use: 15-45 ppm continuous feed.

THPS Performance Case Studies

Case 1: Offshore Oil Platform

Challenge: Persistent MIC (Microbiologically Influenced Corrosion) in seawater injection system
Solution: 75 ppm THPS + nitrite booster
Result: 82% reduction in pipeline corrosion rate

Case 2: Municipal Cooling System

Problem: Legionella pneumophila contamination
Treatment: Shock dose 200 ppm THPS followed by 25 ppm maintenance
Outcome: Zero detectable legionella after 72 hours

Verified Client Implementations

Client A: Middle East Oil Producer

Application: Hydraulic fracturing fluid preservation
Volume: 12 metric tons/month
Benefit: Extended fluid shelf life from 7 to 28 days

Client B: European Paper Mill

Usage: Wet-end biocontrol in tissue production
Consumption: 850 kg/week
Improvement: 40% reduction in sheet breaks caused by biofilm

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• Custom concentration adjustments (30-75% active)
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