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Phosphonobutane Tricarboxylic Acid

Phosphonobutane Tricarboxylic Acid

PBTC (Phosphonobutane Tricarboxylic Acid) is a phosphorus-containing organic compound used as a scale and corrosion inhibitor in water treatment applications, particularly in industrial processes and cooling water systems.

Chemical Formula:

C7H11O9P

CAS Number:

37971-36-1

Synonyms:

Phosphonobutane tricarboxylic acid, PBTC acid, PBTC salt, PBTC inhibitor, Phosphonic acid tributyl ester, Butyl phosphonate, Triphosphonic acid, Phosphonobutane carboxylic acid, PBTC corrosion inhibitor, PBTC scale inhibitor.

Characteristics

Molar Weight

270.12 g/mol

Melting Point

215-220 °C (419-428 °F)

Boiling Point

Solubility

Soluble in water and organic solvents

Density

1.35 g/cm³ (at 20 °C, 68 °F)

Forms

White crystalline powder or colorless liquid (depending on the form)

Odor

Odorless or slight characteristic odor (depending on the purity)

USES AND APPLICATIONS

Key applications

  • Water Treatment
  • Industrial Processes
  • Oil and Gas Industry
  • Detergent Additives
  • Textile Industry
  • Metalworking Fluids
  • Personal Care Products

Industries

  • Chemical Manufacturing
  • Power Generation
  • Household and Industrial Cleaning
  • Pharmaceutical and Personal Care

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