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Britequest HEDP

1-Hydroxy Ethylidene-1, 1-Di Phosphonic acid

CAS No.:2809-21-4
EINECS. :220-552-8

Product information:

product Synonyms: HEDPA, OEDP, Etidronic acid, Hydroxyethylidene Diphosphonic acid; 1-Hydroxy-1,1-Ethanediyl ester;Oxyethylidenediphosphonic Acid; Phosphonic acid,[[bis[2-[bis(phosphonomethyl)amino]ethyl]amino]methyl]-; C2H8O7P2 Britequest HEDP and the little lower priced Britequest ATMP are the most common of phosphonic acids. Britequest HEDP is an excellent chelating agent, inhibiting scaling right from the start. Especially effective on ions of Fe, Cu, Zn. At temperatures up to 250oC, Britequest HEDP is anti-corrosive. It is chemically stable up to high pH values and hard to hydrolyse. Compared to Britequest ATMP, Britequest HEDP has better compatibility with Chlorine. Applications are industrial cooling water, boilers and oil refineries. In the dye industrie, because of its high purity, Britequest HEDP is used to treat metal surfaces. Normally the 60% solution is used. The solid Britequest HEDP-98% is suitable in regions with temperatures below zero.
technisch

Commercial:

Packaging 60% solution: 25liter jerrycans, 250kg (200liter) drums, 1250kg (1000liter) IBC, 24mt ISO tank container (bulk) Packaging 98% crystals: 25kg bags Lead time solution in IBC’s: 1 week Lead time other packaging: 6 weeks Lead time powder: 8 weeks
technisch

Technical:

Anti-scaling dosage: 1-10 mg/l. Anti corrosion dosage: 10-50 mg/l. Detergent dosage: 1000-2000mg/l. Britequest is often used together with poly carboxylic acid. In more extreme conditions of high alkaline, high water hardness, high temperature, high salt concentrations and high turbidity, it is advised to use specialty products such as Britequest PAPEMP. For even higher chlorine stability, Britequest PBTC is preferred.

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