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2-Hydroxy
Phosphonoacetic Acid (HPAA)
Identification
Synonyms:
HPAA, HPA
CAS No.: 23783-26-8
Molecular Weight:
156
Molecular Formula:
C2H5O6P
Structural
Formula:
Application
Used as scale inhibitor in water
treatment, pipeline. It a) has the best corrosion
inhibiting ability among phosphonates, suitable for high-corrosion water; b) is
compatible with zinc salt; c) has good heat-stability, high temperature
resistance is 200 deg.C d) contents lower phosphorus, lower impact on
environment
Specification*
Parameters
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Specification
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Appearance
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Dark brown liquid
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Solid
Content
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50% min
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Phosphorous Acid (as PO3)
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3.0% max
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pH Value (1% aqueous)
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2.0 max
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Color, APHA
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80 max
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Density( 20°C), g/cm3
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1.30 min. |
Standard Packing and Storage
250kgs net/200L plastic drum
Store in plastic, glass-lined
container. Expiry: 24 month
Risks and Safety Info
Danger! Corrosive
Liquid, Organic, N.O.S. For more info, please see MSDS
Hazard Class 8
UN 3265
PG III
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