PBTC

• Category :

  Catalyst and Auxiliary/Water Treatment Chemicals

• Synonyms :

  PBTC;PBTCA;2-phosphonobutane-1,1,1-tricarboxylic acid;2-Phosphono butane-1,2,4-tricarboxylic acid;2-Phosphonobutane-1,2,4-Tricarboxylic Acid (PBTC);

• CAS NO :

  37971-36-1

• EC NO :

  253-733-5

• Molecular Formula :

  C₇H₁₁O₉P

• Molecular Weight :

  270.1306

• Main Specifications :

• InChI :

  InChI=1/C7H11O9P/c1-2-3(17(14,15)16)7(4(8)9,5(10)11)6(12)13/h3H,2H2,1H3,(H,8,9)(H,10,11)(H,12,13)(H2,14,15,16)

• Product description :

  Chemical name:Phosphonobutane-1,2,4-Tricarboxylic Acid
  Abbreviation: PBTC
  Molecular Formula: C₇H₁₁O₉P
  Molecular Weight: 270
  CAS Number: 37971-36-1
  Application Notes: Chlorine stable. Controls calcium scale formation in high stressed alkaline conditions.
  Recommended Uses: Industrial water treatment and boiler systems. Controls scale where halogenbased biocides or hypochlorite bleach are employed.
  Typical Properties:

  Appearance	Water white to pale yellow liquid
  Active Acid (%)	49.0 - 51.0
  Phosphorous acid as PO33- (%)	0.8 max
  Phosphorous acid as PO43- (%)	0.5 max
  PH(1% solution)@25°C	2.0 max
  Sp. Gravity @20/20°C	1.270 min
  Iron, (as Fe,ppm)	35 max
  Colour APHA(Hazen)	125 max

• Uses :

  Industrial water treatment and boiler systems.Controls scale where halogenbased biocides or hypochlorite bleach are employed.

• Molecular Structure :