HEDP 1-Hydroxyethylidene-1,1-diphosphonic acid HEDP 98%
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HEDP 2809-21-4
Product Information
Product Name | 1-Hydroxyethylidene-1,1-diphosphonic acid |
Synonyms | 1-Hydroxyethane-1,1-diphosphonic Acid;HEDP; HEDPA;1-Hydroxyethylidene-1,1-Diphosphonic Acid (HEDP) |
Molecular Formula | C2H8O7P2 |
Molecular Weight | 201.9987 |
CAS Number | 2809-21-4 |
EINECS | 220-552-8 |
Melting point | 198~199℃ |
Boiling point | 578.8°C at 760 mmHg |
Flash point | 303.8°C |
Vapour Pressur | 8.34E-16mmHg at 25°C |
Application
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.
Packing & Delivery
Packing: 250kg/drum or according per customer's requirement
Delivery: Within 3-5 working days after order confirmed
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