CAS No. : 51274-37-4
Molecular Formula: HO(C4H2O5M2)nH Molecular weight: 400-1500
Structural Formula:

Properties:
PESA is a multivariate scale and corrosion inhibitor without phosphor or nitrogen, it has good scale
inhibition and dispersion for calcium carbonate, calcium sulfate, calcium fluoride and silica scale, with better
effects than that of ordinary organophosphines. When built with organophosphates, the synergism effects will be
obvious. PESA has good biodegradation properties, it can be widely used in circulating cool water system in
situation of high alkaline, high hardness and high pH value. PESA can be operated under high concentration index.
PESA has good synergism with chlorine and other Water Treatment Chemicals.
Specification:
items
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index
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Appearance
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Colorless or amble transparent liquid
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Solid content %
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40.0 min
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Density (20℃) g/cm3
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1.28 min
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Ph (1% water solution)
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9.0-12.0
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Usage:
PESA can be used in system of oilfield water refill, crude oil dehydration and boiler treatment; PESA can be
used in circulating cool water system of steel, petrochemical, power plant, medicine. PESA can be used in boiler
water treatment, circulating cool water, desalination plant, and membrane separation in situation of high alkaline,
high hardness, high pH value and high concentration index. PESA can be used in detergent fields.
Package and Storage:
Normally 250kg or 550LBS net in drum, 1000kg or 2700LBS in IBC, or as per customers.
Storage for ten months in room shady and dry place.
Safety Protection:
Alkaline, Avoid contact with eye and skin, once contacted, flush with water immediately.