Bis(hexamethylenetriaminepenta(methylenephosphonic acid)) (chemical abbreviation: BHMTPMPA), also known as Bis(1,6-hexylene triamine pentamethylene phosphonic acid), is a chelating functional chemical specifically developed for harsh water treatment scenarios. Its CAS number is 34690-00-1, molecular formula is C₁₇H₄₄N₃O₁₅P₅, and molecular weight is 685.41. It appears as a dark brown liquid. Its molecular structure is rich in phosphonic acid groups and amino groups, endowing it with strong chelating and scale-inhibiting properties, making it one of the core functional materials in the industrial water treatment field.
As a high-performance chelating scale inhibitor, it has targeted inhibitory effects on carbonate scale and sulfate scale commonly encountered in industrial production, which can prevent scale deposition from the source and ensure the efficient operation of equipment.
It can stably exert its effect within a wide pH range. Even under a high temperature of 120℃, it still maintains excellent water solubility and thermal stability, and its performance will not degrade due to environmental changes.
It has ultra-high tolerance to calcium ions. Even in high-calcium water quality scenarios, it can maintain stable scale-inhibiting effect without the need for additional auxiliary agents, resulting in a wider application range.
With a density of 1.606 g/cm³, boiling point as high as 1002.7℃ (under 760 mmHg), flash point of 560.2℃, and refractive index of 1.578, it has balanced physical and chemical parameters and is not easy to decompose or deteriorate during use.
The molecule contains 10 hydrogen bond donors and 18 hydrogen bond acceptors, with up to 24 rotatable chemical bonds and a topological polar surface area of 297. Its unique structure endows it with strong metal ion chelating ability, which can quickly combine with calcium, magnesium and other ions to form stable complexes.
No special storage conditions are required. It can be safely stored at room temperature without additional operations such as light avoidance and moisture proofing, reducing warehousing and management costs.
Based on its excellent scale-inhibiting performance and environmental adaptability, the product is widely used in various industrial water treatment scenarios:
It can effectively inhibit the formation of scale on the inner walls of condensers, heat exchangers and other equipment, extend the service life of equipment, and reduce energy loss.
Suitable for the pre-treatment of feed water in high-temperature and high-pressure boilers, preventing the decrease in thermal efficiency or potential safety hazards caused by scale formation in the boiler liner.
For high-calcium and high-hardness water quality, it can be used as a pre-scale inhibitor to ensure the stable operation of subsequent production processes.
It can also be applied to various water treatment circulation systems in chemical, electric power, metallurgical and other industries, especially suitable for scale-inhibiting needs under harsh working conditions.
The product is a corrosive chemical, with European hazard code C and risk statement R34 (Causes burns). During transportation, it is necessary to strictly follow the dangerous goods transportation specifications, and the corresponding UN dangerous goods transport code is UN 3265.
Corrosion-resistant packaging must be used during transportation. It is forbidden to store or transport it together with acidic, alkaline substances and active metals to prevent chemical reactions.
Operators must wear complete protective equipment (protective clothing, gloves, goggles, etc.). In case of accidental contact with skin or eyes, rinse immediately with a large amount of clean water and seek medical attention in a timely manner.
| Item | Specification Parameters |
|-----------------------|-----------------------------|
| CAS Number | 34690-00-1 |
| Molecular Formula | C₁₇H₄₄N₃O₁₅P₅ |
| Molecular Weight | 685.41100 |
| Exact Mass | 685.14600 |
| Density | 1.606 g/cm³ |
| Boiling Point | 1002.7℃ (at 760 mmHg) |
| Flash Point | 560.2℃ |
| Appearance | Dark brown liquid |
| Refractive Index | 1.578 |
| Storage Conditions | Store at room temperature |
| Safety Statements (EU)| S26, S36/37/39, S45 |
Bis(hexamethylenetriaminepenta(methylenephosphonic acid)) (chemical abbreviation: BHMTPMPA), also known as Bis(1,6-hexylene triamine pentamethylene phosphonic acid), is a chelating functional chemical specifically developed for harsh water treatment scenarios. Its CAS number is 34690-00-1, molecular formula is C₁₇H₄₄N₃O₁₅P₅, and molecular weight is 685.41. It appears as a dark brown liquid. Its molecular structure is rich in phosphonic acid groups and amino groups, endowing it with strong chelating and scale-inhibiting properties, making it one of the core functional materials in the industrial water treatment field.
As a high-performance chelating scale inhibitor, it has targeted inhibitory effects on carbonate scale and sulfate scale commonly encountered in industrial production, which can prevent scale deposition from the source and ensure the efficient operation of equipment.
It can stably exert its effect within a wide pH range. Even under a high temperature of 120℃, it still maintains excellent water solubility and thermal stability, and its performance will not degrade due to environmental changes.
It has ultra-high tolerance to calcium ions. Even in high-calcium water quality scenarios, it can maintain stable scale-inhibiting effect without the need for additional auxiliary agents, resulting in a wider application range.
With a density of 1.606 g/cm³, boiling point as high as 1002.7℃ (under 760 mmHg), flash point of 560.2℃, and refractive index of 1.578, it has balanced physical and chemical parameters and is not easy to decompose or deteriorate during use.
The molecule contains 10 hydrogen bond donors and 18 hydrogen bond acceptors, with up to 24 rotatable chemical bonds and a topological polar surface area of 297. Its unique structure endows it with strong metal ion chelating ability, which can quickly combine with calcium, magnesium and other ions to form stable complexes.
No special storage conditions are required. It can be safely stored at room temperature without additional operations such as light avoidance and moisture proofing, reducing warehousing and management costs.
Based on its excellent scale-inhibiting performance and environmental adaptability, the product is widely used in various industrial water treatment scenarios:
It can effectively inhibit the formation of scale on the inner walls of condensers, heat exchangers and other equipment, extend the service life of equipment, and reduce energy loss.
Suitable for the pre-treatment of feed water in high-temperature and high-pressure boilers, preventing the decrease in thermal efficiency or potential safety hazards caused by scale formation in the boiler liner.
For high-calcium and high-hardness water quality, it can be used as a pre-scale inhibitor to ensure the stable operation of subsequent production processes.
It can also be applied to various water treatment circulation systems in chemical, electric power, metallurgical and other industries, especially suitable for scale-inhibiting needs under harsh working conditions.
The product is a corrosive chemical, with European hazard code C and risk statement R34 (Causes burns). During transportation, it is necessary to strictly follow the dangerous goods transportation specifications, and the corresponding UN dangerous goods transport code is UN 3265.
Corrosion-resistant packaging must be used during transportation. It is forbidden to store or transport it together with acidic, alkaline substances and active metals to prevent chemical reactions.
Operators must wear complete protective equipment (protective clothing, gloves, goggles, etc.). In case of accidental contact with skin or eyes, rinse immediately with a large amount of clean water and seek medical attention in a timely manner.
| Item | Specification Parameters |
|-----------------------|-----------------------------|
| CAS Number | 34690-00-1 |
| Molecular Formula | C₁₇H₄₄N₃O₁₅P₅ |
| Molecular Weight | 685.41100 |
| Exact Mass | 685.14600 |
| Density | 1.606 g/cm³ |
| Boiling Point | 1002.7℃ (at 760 mmHg) |
| Flash Point | 560.2℃ |
| Appearance | Dark brown liquid |
| Refractive Index | 1.578 |
| Storage Conditions | Store at room temperature |
| Safety Statements (EU)| S26, S36/37/39, S45 |
