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HS-312 Amino Trimethylene Phosphonic Acid (ATMP)

Product name HS-312 Amino Trimethylene Phosphonic Acid (ATMP)
CAS No. 6419-19-8
Molecular Formula N(CH2PO3H2)3
Molecular Weight 299.05
Structural Formula
Properties & Use ATMP has good chelating, low threshold inhibiting property; it has good chemical stability in water, and is used for circulating cooling water system with heat power plant and oil refinery.
Item Details
Conform to HG/T 2841-1997 Conform to HG/T2841-2005  
Appearance colorless or light yellow transparent liquid white crystalline powder
Active ingredient (ATMP) % ≥ 50 50 95
ATMP content % ≥ —— 40 88
Phosphorous acid(PO33-) % ≤ 5 3.5 ——
Phosphoric acid(PO43-) % ≤ 1 0.8 0.8
Chloride(Cl-) % ≤ 3.5 2 1
Iron (2+) content mg/L ≤ —— 20 20
Density(20℃)g/cm3 1.28 1.3 ——
pH(1% aqueous solution) 1.5-2.5 1.5-2.5 2
Packing & Storage ATMP liquid: in plastic drum, 30kg/drum or 250kg; ATMP solid: in plastic woven bag lined with PE film, net wt. 25kg/bag, or upon users' demand. Should be stored in cool and draughty place, avoid dampness and sunligh, shelf life is 10 months.
Safety Protection Avoid contact with skin and eyes; wash with plenty of water.


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