Monosodium of 1 Hydroxy Ethylidene 11 Diphosphonic Acid
CAS Number | 29329-71-3 |
Appearance | Colorless or light yellow transparent liquid |
pH | 2.3-2.9 |
Iron content | 20 max |
Density | 1.11-1.21(20C) g/cm3 |
Packing | 250 kgs |
Use | HEDP•Na is used in circulating cool water system, medium and low pressure boiler, oil field water pipelines as scale and corrosion inhibitor in fields such as power plant, chemical industry, metallurgy, fertilizer, etc.. In light woven industry, this product is used as detergent for metal and nonmetal. In dyeing industry, this product is used as peroxide stabilizer and dye-fixing agent; In non-cyanide electroplating, this product is used as chelating agent. When used as scale inhibitor, the dosage 2-20mg/L is preferred, when used as corrosion inhibitor, the dosage 20-100mg/L is preferred, when used as cleaning agent, the dosage 1000-2000mg/L is preferred. Usually, HEDP•Na is used together with polycarboxylic acid . |
Storage | Storage for ten months in room shady and dry place. |
Active content (HEDP-Na2)% | 19.0-21.0 |