Your Address : Globalchemmade--Hongye Holding Group Corporation Limited
Name:Hongye Holding Group Corporation Limited
Type:Others
Tel:+8637168261013
Fax:
Email:2764303287@qq.com
Address:Canada
Products detail
| Product Name: | 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP |
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| CAS No: | ||
| Product Type: | Organic Chemicals and Derivatives -> Others | |
| Product spec: | 60% | |
| Packing: | ||
| Post Time: | 2020-07-27 | |
| Usage: | ||
| Description: | 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid (HEDP). Below is the detailed introduction for HEDP. Specification: items index Appearance Clear, Colorless to pale yellow aqueous solution White crystal powder Active content (HEDP)% 58.0-62.0 90.0min Phosphorous acid (as PO33-)% 1.0 max 0.8 max Phosphoric acid (asPO43- )% 0.6 max 0.5 max Chloride (as Cl-) ppm 100.0 max 100.0max pH (1% solution) 2.0 max 2.0 max Density (20℃)g/cm3 1.43-1.47 - Fe，mg/L 10.0 max 5.0 max Colour APHA (Hazen) 30.0 max - Acetic acid % 0.5 max Ca sequestration (mg CaCO3/g) 500.0 min Usage: HEDP is used as scale and corrosion inhibition in circulating cool water system, oil field and low-pressure boilers in fields such as electric power, chemical industry, metallurgy, fertilizer, etc.. In light woven industry, HEDP is used as detergent for metal and nonmetal. In dyeing industry, HEDP is used as peroxide stabilizer and dye-fixing agent; In non-cyanide electroplating, HEDP 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 is used together with polycarboxylic acid. | |