June 26, 2024 Longchang Chemical

Penta sodium salt of Amino Trimethylene Phosphonic Acid (ATMP•Na5) CAS 20592-85-2 (x-Na), 2235-43-0 (5-Na)

CAS No.  20592-85-2 (x-Na), 2235-43-0 (5-Na)

Molecular Formula:  C3H7NO9P3Na5

Molecular weight: 409

Items Index
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
PH (1% water solution) 10.0-11.0
Fe, mg/L 10.0 max
Density (20℃) g/cm3 1.38-1.48


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.

Package and Storage:

200L plastic drum,IBC(1000L),customers’  requirement. Storage for twelve months in shady room and dry place.


Pentasodium hydrogen C,C’,C”-nitrilotris(methylphosphonate)


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