PBTC - 2-Phosphonobutane 1, 2, 4-Tricarboxylic Acid

PBTC - 2-Phosphonobutane 1, 2, 4-Tricarboxylic Acid

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PBTC - 2-Phosphonobutane 1, 2, 4-Tricarboxylic Acid

  • AVA Chemicals is a leading PBTC producer, PBTC supplier, PBTC manufacturer.
  • AVA Chemicals est un producteur PBTC fournisseur leader PBTC, fabricant PBTC.
PBTC chemical is high efficient agent for scale and corrosion inhibitor. It is an excellent stabilizer for zinc salt. PBTCA has low content of phosphoric, has structural features of both phosphoric acid and carboxylic acid group, which enable its excellent scale and corrosion inhibition properties. PBTC is a highly effective chelating agent and sequestering agent.


Product Name

2-Phosphonobutane 1,2,4-Tricarboxylic Acid / PBTCA

Other Names

PBTC, 2-Phosphonobutane 1, 2, 4-Tricarboxylic Acid, PBTCA, 2-phosphonobutane 1,2,4-tricarboxylique, 2-Phosphonobutane 1,2,2-Phosphonobutane -1,2,4-Tricarboxylic Acid, PBTCA, PBTC, phosphonobutane tricarboxylic acid, 2-Phosphonobutane -1,2,4-Tricarboxylic Acid, 2-Phosphonobutane-1,2,4-tricarboxylic acid.

CAS Nos.


Molecular Weight



Colorless or light yellow transparent liquid

Active acid %


Phosphorous acid (as PO33-)%

Max 0.8

Phosphoric acid (as PO43-)%

Max 0.5

Density (20o) g/cm3

Min 1.27

pH(1% water solution)


Fe (ppm)

Max 20

  • Packing: 250 kg HDPE Drum/50 kg and 65 kg HDPE Drum./IBC (1300 litres)/ISO Tanks.
  • Other Information:
  • Category: Hazardous
  • UN Packing
  • MSDS: PBTC MSDS Available on request


  • PBTC is usually used together with zinc salt, copolymer, organophosphine, imidazole and other Water Treatment Chemicals
  • PBTC is widely used in circulating cool water system and oilfield refill water system as scale and corrosion inhibitor
  • PBTC is used in situations of high temperature, high hardness, high alkali and high concentration index
  • Multifunctional and cost effective performance makes it an excellentreplacement to other sequestrants e.g EDTA, DTPA, NTA, Metaclaw, Trilon, Versene, Dissolvine, Dequest, Codex, Sequacel, Acinol etc