Product: (1-Hydroxyethane-1,1-diyl)diphosphonic acid disodium salt (HEDP•Na2)
CAS NO: 7414-83-7
Molecular formula: C2H6Na2O7P2
Structure formula:
Properties:
Colorless to light yellow transparent liquid or White powder.
Application:
HEDP•Na2 is widely used in circulating cool water system, medium and low pressure boiler, oil field water pipelines as scale and corrosion inhibitor in fields such as electric power, chemical industry, metallurgy, fertilizer, etc.. In light woven industry, HEDP•Na2 is used as detergent for metal and nonmetal. In dyeing industry, HEDP•Na2 is used as peroxide stabilizer and dye-fixing agent; In non-cyanide electroplating, HEDP•Na2 is used as chelating agent.
Specification:
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Items
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Quality
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Quality
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Appearance
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Colorless to light yellow transparent liquid
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White powder
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Active content (HEDP),%
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16.5 min
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74.0-79.0
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Active content (HEDP•Na2),%
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20.0 min
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89.9-95.8
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Density (20°C),g/cm3
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1.12-1.22
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--
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Fe, mg/L
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--
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20.0 max
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Moisture,%
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--
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3.0-6.0
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PH (1% water solution)
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4.0-6.0
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4.0-6.0
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