Abbreviation: PBTCA
Chemical Name: 2-Phosphonobutane-1,2,4-Tricarboxylic Acid
Synonyms: PBTC; Phosphonobutane Tricarboxylic Acid; Dequest 7000
Molecular Formula: C7H11O9P
Molecular Weight: 270.13
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.
Packing: 200L plastic drum, IBC(1000L),customers’requirement.
Specification:
|
Appearance |
Clear, colorless to pale yellow aqueous solution |
|
Active acid % |
49.0-51.0 |
|
Phosphorous acid(as PO33-)% |
0.8 max |
|
Phosphoric acid(as PO43-)% |
0.5 max |
|
Density (20℃) g/cm3 |
1.27 min |
|
pH (1% water solution) |
1.5~2.0
|

