Pentasodium nitrilotris(methylenephosphonate) (ATMP • Na5)
ATMP•Na5 is the salt of ATMP, it can inhibit calcium carbonate particularly in water treatment system . ATMP•Na5 can be used in circulating cool system in power plant, oil refinery plant and oilfield refill water system . ATMP•Na5 is a general low cost scale inhibitor, it has good corrosion inhibition to zinc salt and phosphate, its chelating ability is good as well.
Specification of Product
Product Name : Pentasodium nitrilotris(methylenephosphonate)
ATMP•Na5
Penta sodium salt of Amino Trimethylene Phosphonic Acid
Pentasodium hydrogen C,C',C''-nitrilotris(methylphosphonate)

Molecular Formula: C3H7NO9P3Na5
CAS No.: CAS: 2235-43-0 (5-Na)
CAS: 20592-85-2 (x-Na)
Pentasodium nitrilotris(methylenephosphonate) Quality Standard:
Appearance Colorless or light yellow transparent liquid
Active content (ATMP)% 27.8-30.7
Active content (ATMP•Na5) % 38.0-42.0
Total phosphoric acid(PO43-%, ) 26.6-28.6
Chloride (as Cl-) % 1.0 max
Fe, mg/L 10.0 max
Density (20℃) g/cm3 1.38-1.48
PH (1% water solution) 10.0-11.0
Packing
200L plastic drum,IBC(1000L),customers' requirement.
Storage
Storage for one year in shady room and dry place.
Avoid contact with eye and skin. Goggles and rubber gloves should be used at all times while handling the product.
Pentasodium nitrilotris(methylenephosphonate) Applications
ATMP•Na5 is used together with other organophosphonic acid, polycarboxylic acid or salt to form organic alkaline agents.
ATMP•Na5 can be used in circulating cool water system for all water quality.