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HEDP•Na2

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:

Items

Quality

Quality

Appearance

Colorless to light yellow transparent liquid

White powder

Active content (HEDP),%

16.5 min

74.0-79.0

Active content (HEDP•Na2),%

20.0 min

89.9-95.8

Density (20°C),g/cm3

1.12-1.22

--

Fe, mg/L

--

20.0 max

Moisture,%

--

3.0-6.0

PH (1% water solution)

4.0-6.0

4.0-6.0

 

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