SUNCHEM

2-Phosphonobutane -1,2,4-Tricarboxylic Acid(PBTCA)

2-Phosphonobutane-1,2,4-tricarboxylic acid (PBTCA) is an organophosphonate scale and corrosion inhibitor with excellent calcium carbonate and calcium sulfate scale inhibition properties. It is used in industrial water treatment, circulating cooling water systems, and oil and gas applications where high temperatures and pH conditions require robust scale…

37971-36-1
  • Lot COA with every shipment
  • Samples for your trials
  • Technical support for your trial
CAS No.37971-36-1
FormulaC7H11O9P
SynonymsPBS-AM;1,2,4-Butanetricarboxylic acid,2-phosphono-;PBTC;2-Phosphonobutane -1,2,4-Tricarboxylic Acid;2-Phosphonobutane-1,2,4-Tricarboxylic acid [PBTCA];2-Phosphonobutane-1,2,4-Tricarboxylic Acid(PBTCA);2-Butanephosphate-1,2,4-tricarboxylic acid (PBTC);PBTCA;2-Phosphonobutane 1,2,4-tricarboxylic acid (PBTC);PBTC 50%;

Product overview & key benefits

2-Phosphonobutane-1,2,4-tricarboxylic acid (PBTCA) is an organophosphonate scale and corrosion inhibitor with excellent calcium carbonate and calcium sulfate scale inhibition properties. It is used in industrial water treatment, circulating cooling water systems, and oil and gas applications where high temperatures and pH conditions require robust scale control. SUNCHEM supports international buyers with 2-Phosphonobutane-1,2,4-Tricarboxylic Acid (PBTCA) sourcing from qualified Chinese producers, with quality documentation, export coordination, and logistics support.

Technical specifications

PropertyReference value
Density1.835 g/cm3
Boiling Point545.2 °C at 760 mmHg
Flash Point283.5 °C
AppearanceClear colorless to yellowish liquid
Risk Codes34
Safety26-45
Transport InformationUN 3265

Existing product reference data. Confirm the specification of the offered grade before ordering.

Applications

Scale inhibitor for calcium carbonate in cooling water
Corrosion inhibitor in industrial water treatment
Chelating agent for iron and zinc stabilization
Oil and gas production scale control
High-temperature water treatment formulation
Desalination and reverse osmosis system antiscalant
Boiler water and process water treatment

From first email to approved supply

01

Send your RFQ

Share your application, quantity, destination and current grade.

02

Review the documents

Review the producer TDS, a recent COA and SDS with the quotation.

03

Trial a sample

Run your own tests against your current grade.

04

Lock the spec

Put approved lot limits into the contract and check every COA against them.

Tell us your requirement. We match the grade.

Share your application, required quantity and destination.

Email david@sunchemgroup.com

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