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PBTCA·Na4 CAS 40372-66-5
  • CAS No.:

  • Molecular Formula:

  • Quality Standard:

    30min or 64min
  • Packing:

    200kg per drum or IBC drum
  • Mininmum Order:


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  • Product Details
Buy PBTCA·Na4 CAS 40372-66-5, a chemical intermediate for water treatment from TNJ Chemical, China leading PBTCA·Na4 suppliers, factory & manufacturers. If you want to buy PBTCA·Na4, please mail to [email protected]

Liquid Specification
Appearance                                 Colorless to yellowish transparent liquid

Active content (as PBTCA, % )      30.0 min

Active content (as PBTC.Na4, %)  40.0 min

Total phosphoric acid(PO43-%, )   10.5 min

Fe, mg/L                                     -

Density (20℃) g/cm3                   1.35 min

PH (1% water solution)                9.0-12.0

Powder specification

Appearance                                White crystal powder

Active content (as PBTCA, % )     64.0 min

Active (as PBTC.Na4, %)             85.0 min

Total phosphoric acid(PO43-%, )  22.5 min

Fe, mg/L                                    20.0 max

Density (20℃) g/cm3                  ---

PH (1% water solution)               4.0-6.0


PBTC.Na4 is the widely used and high effective agent as composite scale and corrosion inhibitor,

it is also the excellent stabilizer for zinc salt. PBTC•Na4 is used as scale and corrosion inhibitor in circulating cool water system and oilfield refill water system, especially used together with zinc salt and copolymer. 

PBTC.Na4 can be used in situations of high temperature, high hardness, high alkaline and high concentration index,

PBTC.Na4 is used as chelating agent and metal detergent in lavation fields.

PBTC.Na4 is usually used together with zinc salt, copolymer, organophosphine, imidazole and other Water Treatment Chemicals.


Liquid :200kg per drum or IBC drum

Solid: 25kg per bag

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