2-Phosphonobutane -1, 2, 4-Tricarboxylic Acid, Sodium Salt (PBTC. Na4)
Model No.: PBTC
(PBTC•Na4) CAS No. 40372-66-5
Molecular Formula: C7H7O9P•Na4 Molecular weight: 358
Properties: PBTC•Na4 has low content of phosphoric, its structure contains both phosphonic acid and carboxylic acid group, which enable its good scale and Corrosion Inhibition properties. Its scale inhibition property under high temperature is far better than that of organophosph-ines. PBTC•Na4 can improve the solubility of zinc salt, has good chlorine oxidation tolerance and good composite synergy. The solid state is easy deliquescence.
|Appearance||Colorless to yellowish transparent liquid||White crystal powder|
|Active content (as PBTCA, % )||30.0 min||64.0 min|
|Active content (as PBTC•Na4, %)||40.0 min||85.0 min|
|Total phosphoric acid(PO43-%, )||10.5 min||22.5 min|
|Fe, mg/L||-||20.0 max|
|Density (20ºC) g/cm3||1.35 min||-|
|PH (1% water solution)||9.0-12.0||4.0-6.0|
PBTC•Na4 is usually used together with zinc salt, copolymer, organophosphine, imidazole and other Water Treatment Chemicals.
Package and Storage: Liquid: 200L plastic drum, IBC(1000L),customers' requirement. Storage for ten months in shady room and dry place.
Solid: 25kg/bag, customers' requirement. Storage for one year in shady room and dry place.
Related Products: 2-Phosphonobutane -1,2,4-Tricarboxylic Acid, Sodium salt (PBTC•Na4)
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