NS-201: HEDP
CAS No.: [2809-21-4]
Chemical name: 1-Hydroxy ethylene-1,1-diphosphonic acid
Molecular formula: C2H8O7P2
Molecular weight: 206.03
Specification:
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Appearance: colorless to pale yellow liquid
Active content (as HEDP): 58 - 62%
Phosphorous acid (as PO3): 3% max.
Fe: 35 ppm max.
Chloride (as Cl): 1.0% max.
PH (1% aqueous solution): 2 max.
Density (20°C): 1.40 - 1.48
Calcium complexing power: 400 mg CaCO3/g min.
Color (APHA): 150 max. |
Packing: 250 kg drum
Usage:
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Mainly used in boilers and heat exchanger pipelines as scale removers and corrosion resistant agent. |
