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Appearance:Brown yellow brown red sticky liquid
Active acid:50
Phosphorous acid (as PO33-) :3.0 max
Chloride (as Cl-):12-17
Density (20℃) g/cm3:1.35-1.45
pH (1 solution):2.0
Fe ppm:35 max


  CAS No. 15827-60-8           Molecular Formula:   C9H28O15N3P5              Molecular weight: 573.2

Properties: DTPMPA is innocuous, easy to be dissolved in acid solution. DTPMPA has excellent scale and corrosion inhibition and good thermal tolerance ability. 

DTPMPA can inhibit the scale formation of carbonate, sulfate and phosphate. On situation of alkali environment and high temperature (above 210℃) 

DTPMPA has better scale and corrosion inhibition effect than other organophosphines.

Usage: DTPMPA can be used as scale and corrosion inhibitor in circulating cool water system and boiler water, 

and especially in alkali circulating cool water system without additional pH regulation, It can also be used in oilfield refill water,

 cool water and boiler water with high concentration of barium carbonate. When used alone, little scale sediment is found even none of dispersant is used.

DTPMPA can also be used as peroxide stabilizer, chelating agent in woven & dyeing industry, pigment dispersant, 

microelement’s carrying agent in fertilizer and concrete modifier. In addition, DTPMPA is used in papermaking, electroplating, acid cleaning and cosmetics.

Package and Storage: Normally 250kg or 600LBS net in drum, 1000kg or 2700LBS in IBC, or per customers. Storage for ten months in shady room and dry places.

Safety Protection: Acidity, Avoid contact with eye and skin, once contacted, flush with water immediately.