Chemical Name: HDTMPA
CAS No.: 23605-74-5
Molecular Fomula: C10H28N2O12P4
Molecular weight: 492.23
Appearance: White crystalline powder
Assay: ≥97.0%
HDTMPA (Hexamethylenediamine Tetra(methylene phosphonic acid)), CAS 23605-74-5, is an advanced phosphonic acid derivative with exceptional scale inhibition and corrosion control properties.
Parameter | HDTMPA | ATMP | EDTMPA |
---|---|---|---|
Active Content | ≥50% | ≥50% | ≥90% |
pH (1% sol.) | 1.5-2.5 | 1.5-2.5 | 9.0-10.0 |
Density (20°C g/cm³) | 1.35-1.45 | 1.33-1.37 | 1.40-1.50 |
Effective against calcium carbonate (CaCO₃) and calcium sulfate (CaSO₄) scaling in cooling towers and boilers.
Used in squeeze treatments for wellbore stabilization with 85-92% scale inhibition efficiency at 10-15ppm concentration.
Feature | HDTMPA | Conventional Inhibitors |
---|---|---|
Calcium Tolerance | ≥500mg/L | ≤300mg/L |
Thermal Stability | 220°C | 160-180°C |
A 650MW facility reduced scaling incidents by 78% after implementing 12-18ppm HDTMPA dosing.
Implemented HDTMPA in crude distillation units, achieving 14-month continuous operation without acid cleaning.
Reduced membrane cleaning frequency by 62% in RO systems using HDTMPA-based formulation.
Contact our chemical engineering team for custom formulations:
This is William, CEO of fousi chemical Chemical Co., Ltd.
Welcome to visit our factory . As the top chemical manufacturer, we have been striving for product quality, innovation , R&D, and customer service for the past 7 years. In the next 10 years or even longer, we are committed to becoming the most reliable chemical supplier in the world , creating a well-known international brand trusted by customers, with the spirit of “one meter wide, ten thousand meters deep”, we continue to focus on product research and development, continue to focus on customer service, continue to improve the supply chain service system, to create a professional chemical supply service team, to achieve win-win long-term cooperation. Please feel free to contact us if you have any questions.