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Home » Offer Board » Chemicals » Organic Chemicals » Hydrocarbon & Derivative » PBTC (2-Phosphonobutane -1, 2, 4-Tricarboxylic Acid)

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

PBTC (2-Phosphonobutane -1, 2, 4-Tricarboxylic Acid)
PBTC (2-Phosphonobutane -1, 2, 4-Tricarboxylic Acid)
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Offer Type: Sell
Offer Post Time: May 30, 2012
Expiration Date: Jul 18, 2012
Details: 2-Phosphonobutane -1, 2, 4-Tricarboxylic Acid
(PBTCA)

CAS No. 37971-36-1

Molecular Formula: C7H11O9P Molecular weight: 270.13

Structural Formula:

Properties:
PBTC 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. Its antiscale property under high temperature is far better than that of organophosphines. It can improve zinc salt solubility, has good chlorine oxidation tolerance and good composite synergy.

Specification:
Items index
Appearance Clear, colorless to pale yellow aqueous solution
Active acid % 50.0-51.0
Phosphorous acid(as PO33-)% 0.5 max
Phosphoric acid(as PO43-)% 0.2 max
Density (20C) g/cm3 1.27 min
pH(1% water solution) 1.5-2.0
Fe ppm 10.0 max
Chloride ppm 10.0 max
Color APHA 30.0 max

Usage:
PBTC is a high efficient agent as scale and corrosion inhibitor. PBTC is the excellent stabilizer for zinc salt. It 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. PBTC 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.

PBTC is usually used together with zinc salt, copolymer, organophosphine, imidazole and other Water Treatment Chemicals. When used alone, the dosage of 5-15mg/L is preferred.

Package and Storage:
200L plastic drum, IBC(1000L), customers' requirement. Storage for one year in shady room and dry place.

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