Diethylene Triamine Penta (Methylene Phosphonic Acid) (DTPMPA) CAS NO.15827-60-8

Diethylenetriamine pentamethylphosphonic acid DTPMPA

Diethylene Triamine Penta (Methylene Phosphonic Acid) (DTPMPA)
Aliases: diethylenetriamine pentamethylene phosphonic acid, DETPMP, diethylenetriamine pentamethylene phosphonic acid, diethylenetriamine pentamethylene phosphonic acid
CAS No. 15827-60-8
Molecular formula C9H28O15N3P5 relative molecular weight: 573.2

1 Performance and use:
DTPMPA is non-toxic, easily soluble in acidic solution, has good scale inhibition and corrosion resistance and good temperature resistance, can inhibit the formation of carbonate and sulfate scale, and has better scale inhibition and corrosion inhibition performance than other organic phosphines in alkaline environment and high temperature (above 210℃). This product is used as a scale and corrosion inhibitor for circulating cooling water and boiler water in water treatment, especially suitable for alkaline circulating cooling water as a scale and corrosion inhibitor with irregular pH, and can be used for oil field water injection with high barium carbonate, cooling water and boiler water scale and corrosion inhibitor; When this product is used alone in the compound agent, there is no need to add dispersant, and the amount of dirt deposition is still small.

DTPMPA can also be used as peroxide stabilizer (especially hydrogen peroxide stability under high temperature conditions), chelating agent for textile printing and dyeing, pigment dispersant, oxygen dellignification stabilizer, trace element carrier in fertilizer, concrete additive. In addition, it has also been widely used in papermaking, electroplating, metal pickling and cosmetics. It can also be used as a stabilizer for oxidizing fungicides.

2. Technical indicators conform to HG/T 3777-2005

Brownish yellow or brownish red viscous liquid
Active component % ≥50.0
Phosphorous acid (measured in PO33-) % ≤3.0
Chloride (Cl-) % 12-17
Iron (measured by Fe2+) content mg/L ≤35.0
Density (20℃)g/cm3 1.35 ~ 1.45
pH(1% aqueous solution) ≤2.0

3.Use method
DTPMPA is generally used as a scale inhibitor with a concentration of 1 ~ 30mg/L, and as a cleaning agent with a concentration of 1000-2000mg/L; It is usually used in combination with polycarboxylic acid scale inhibitor and dispersant. When used in other industries, the dosage should be determined according to the test.

4.Packaging and storage
DTPMPA is packaged in plastic drums, 25kg or 250kg per barrel, or according to user requirements. Store in a cool place indoors for 12 months.

5. Security protection
DTPMPA is acidic, pay attention to labor protection during operation, should avoid contact with skin, eyes, etc., rinse with plenty of water after contact.

Package&Shipping

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