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2-Phosphonobutane-1,2,4-Tricarboxylic Acid---PBTCA
CAS No.: 37971-36-1 Molecular Formula: C7H11O9P
Synonyms: PBTC, Dequest 7000 Molecular Weight: 270.13
Phosphonobutane Tricarboxylic Acid
Properties:
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.The antiscale property under high temperature is far better than that of organophosphines. It can improve zinc salt solubility, and has good chlorine oxidation tolerance and good composite synergy.
Specification:
Items | Index |
Appearance | Clear, colorless to pale yellow aqueous solution |
Active acid % | 49.0-51.0 |
Phosphorous acid (as PO33-)% | 0.5 max |
Phosphoric acid (as PO43-)% | 0.2 max |
Density (20℃) g/cm3 | 1.27 min |
pH (1% water solution) | 1.5~2.0 |
Fe ppm | 10.0 max |
Chlorine ppm | 10.0 max |
Usage:
PBTCA is widely used in circulating cool water system and oilfield refill water system as scale and corrosion inhibitor, suitable to composite with zinc salt and copolymer. It can be used in situations of high temperature, high hardness, high alkali and high concentration index. In lavation fields, it is used as chelating agent and metal detergent.
Package:
200L plastic drum, IBC(1000L), as per requirement.
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