1-Hydroxy Ethylidene-1, 1-Diphosphonic Acid 60% (HEDP Liquid) CAS 2809-21-4
China [CN] Quick Details:
| Appearance |
Clear, Colorless to pale yellow aqueous solution |
White crystal powder |
| Active content (HEDP·H2O) | - | ≥ 98.0% |
| Phosphorous acid (as PO33-) | ≤ 1.0% | ≤ 0.8% |
| Phosphoric acid (asPO43-) | ≤ 0.6% | ≤ 0.5% |
| Chloride (as Cl-) | ≤ 100.0ppm | ≤ 50.0 |
| pH (1% solution) | ≤ 2.0 | ≤ 2.0 |
| Density (20°C) | ≤ 1.43-1.47g/cm3 | - |
| Fe mg/L | ≤ 10.0 | ≤ 5.0 |
| Color (Hazen) | ≤ 30.0 | - |
| Acetic acid | ≤ 0.5% | |
|
Ca sequestration (mg CaCO3/g) |
≥ 500.0 | |
PURITY:50%,60%,90%,99% Application:1. HEDP (2809-21 4) is used as scale and corrosion inhibition in circulating cool water system, oil field and lowpressure boilers in fields such as electric powe, chemical industry, metallurgy, fertilizer, etc..2. In light woven industry,HEDP (2809-21-4) is used as detergent for metal and nonmetal.3. In dyeing industry, HEDP (2809-21-4) is used as peroxide stabilizer and dye-fixing agent.4. In non-cyanide electroplating, HEDP (2809-21-4) is used as chelating agent. The dosage of 1-10mg/L is preferred as scale inhibitor, 10-50mg/L as corrosion inhibitor, and 1000-2000mg/L as detergent. Usually, HEDP (2809-21-4) is used together with polycarboxylic acid. Packaging Details:In 250kg net Plastic Drum, IBC(1000L) DrumDelivery Detail: within 3 days when get the payment. Shipping:Countries we ship toUnited States, United Kingdom, India, Australia, South Africa, Canada, Brazil, Singapore, France, Thailand, Italy, Germany, Netherlands and more.We have Professional shipping agent, based on customers´ demand for transportBy express :FEDEX,DHL,EMS ,UPS,TNT ect.By SEA and By AIR
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