Tetra sodium of 1-Hydroxy Ethylene-1,1-Diphosphonic Acid |
CAS Number | 3794-83-0(4-Na), 29329-71-3 (x-Na) |
Appearance | Colorless to light yellow transparent liquid |
pH | 11.0-12.0 (1% water solution) |
Iron content | 35.0max |
Density | 1.26-1.36 20 Cg/cm3 |
Moisture | 15max |
Packing | 250 kgs |
Use | HEDP.Na4 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 Na4 is used as detergent for metal and nonmetal. In dyeing industry, HEDP Na4 is used as peroxide stabilizer and dye-fixing agent; In non-cyanide electroplating, HEDP Na4 is used as chelating agent. |
Storage | Storage for ten months in room shady and dry place. |
Dryness weight loss % | 52.0-54.0 |
Active content (HEDP-Na2)% | 56.0min |
Active content (EDTMP Na5)% | 79.9min |
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