HEDP(1-Hydroxy ethylene-1, 1-diphosphonic acid)

Description

Properties: The product shows good stability under high pH value, hardly being hydrolyzed. Its low toxicity could be easily turned out of the human body. The product works effectively under the temperature of **0℃. It can chelate with Fe、Cu、Al、Zn ions forming chelate compound. Due to its solubilizing affect in dissolving the surface oxidized materials of the metals. ●ï&frac*4;ˆ3ï&frac*4;‰Specification: Kind Domestic Products export subsidy Appearance colorless or pale yellow transparent liquid Active content(as HEDPA) ≥*0% *8~*2% Phosphorous acid(as H3PO3) ≤3.0% ≤3.0% Phosphoric acid(as PO4) ≤1.0% ironï&frac*4;œ*5ppm Chloride (as Cl-) ≤1.0% ≤1.0% pH(1% water solution) ï&frac*4;œ2 ï&frac*4;œ2 Density(*0℃g/cm3) 1.*4~1.*8 1.*0~1.*8 Ca sequestration mgCaCO3/ g ï&frac*4;ž**0 Color (APHA) **0max After detected with *1P—NMP it is concluded that this NC***1 has the content of more than *6%, which is in accordance with the DEQUEST***0 standards set by American Monsanto Chemical Company. ●ï&frac*4;ˆ4ï&frac*4;‰Use: This product is mainly used in boilers and heat exchanger pipe-lines as scale inhibitors and corrosion inhibitors. It can also be used as metal and non-metal cleaner, and as stabilizer and color fixing agent in textile bleaching industry. ●ï&frac*4;ˆ5ï&frac*4;‰Packing & Storage: In **0Kg or *5Kg plastic pail, storage period is two years.