Hangzhou Tongge Energy Technology Co., Ltd.
Hangzhou Tongge Energy Technology Co., Ltd.
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1-Hydroxyethylidene-1,1-Diphosphonic Acid (HEDP)
  • 1-Hydroxyethylidene-1,1-Diphosphonic Acid (HEDP)1-Hydroxyethylidene-1,1-Diphosphonic Acid (HEDP)

1-Hydroxyethylidene-1,1-Diphosphonic Acid (HEDP)

HANGZHOU TONGGE ENERGY TECHNOLOGY CO., LTD is a national high-tech Chinese company integrating research and development, production and sales company in China. 1-Hydroxyethylidene-1,1-Diphosphonic Acid (HEDP) is white crystal powder or colorless liquid.

High quality of 1-Hydroxyethylidene-1,1-Diphosphonic Acid (HEDP) from China at HANGZHOU TONGGE ENERGY TECHNOLOGY CO., LTD. Etidronic Acid (HEDP) it is an organophosphoric acid corrosion inhibitor. It can chelate with Fe, Cu, and Zn ions to form stable chelating compounds.It can dissolve the oxidized materials on these metals’ surfaces.

Product name: Etidronic Acid (HEDP)

Other Name: (1-Hydroxyethane-1,1-diyl)diphosphonic acid;(1-hydroxy-1-phosphonoethyl)phosphonic acid;ethane-1-hydroxy-1,1-diphosphonic acid;1-Hydroxyethylidene-1,1-diphosphonic acid;1-hydroxyethane 1,1-diphosphonic acid;1-Hydroxyeth;Etidronic acid;Etidronsaeure;Hydroxyethanediphosphonic acid;Acetodiphosphonic acid;EHDP;HEDP; Etidronate;1-Hydroxyethane-1,1-diphosphonic acid;1-Hydroxy-1,1-diphosphonoethane;Turpinal SL;Etidronic acid monohydrate (HEDP);Oxyethylidenediphosphonic acid;ethane-1-hydroxy-1,1-bisphosphonic acid;Etidronic Acid;1-Hydroxy Ethylidene-1,1-Diphosphonic Acid;Hydroxyethylidene-1,1-diphosphonicacid(HEDP);1-Hydroxyethylidenediphosphonic Acid; Hydroxyethylidene Diphosphonic acid(HEDP);1-Hydroxy-1,1-Ethanediyl ester;Oxyethylidenediphosphonic Acid(OEDP) Оксиэтилидендифосфоновая кислота(ОЭДФ -кислота );Etidronic acid 2809-21-4;etidronate;1-Hydroxyethylidene-1,1-diphosphonic acid;Etidronsaeure;Acetodiphosphonic acid;Hydroxyethanediphosphonic acid;Turpinal SL;Oxyethylidenediphosphonic acid;Dequest 2015;Dequest Z 010 Phosphonic acid, (1-hydroxyethylidene)bis-Acido etidronico;Ferrofos 510;Acide etidronique;1-Hydroxyethane-1,1-diphosphonic acid;Diphosphonate (base);Dequest 2010;1-Hydroxyethane-1,1-diphosphonate;1-Hydroxyethanediphosphonic acid (1-Hydroxyethane-1,1-diyl)diphosphonic acid;(1-Hydroxyethylidene)diphosphonic acid;1-Hydroxyethane-1,1-bisphosphonic acid (Hydroxyethylidene)diphosphonic acid;Ethane-1-hydroxy-1,1-diphosphonic acid;(1-Hydroxyethylene)diphosphonic acid Acidum etidronicum;1-HYDROXY-1,1-DIPHOSPHONOETHANE; Ethane-1-hydroxy-1,1-diphosphonate;(1-Hydroxyethylidene)bis(phosphonic acid);Acide etidronique [INN-French] Acido etidronico [INN-Spanish];Acidum etidronicum [INN-Latin];1,1,1-Ethanetriol diphosphonate;(1-Hydroxyethylidene)bisphosphonic acid;1-Hydroxyethylidene-1,1-bisphosphonate Hydroxyethane-1,1-diphosphonic acid;(1-hydroxyethane-1,1-diyl)bis(phosphonic acid);1000SL;(1-Hydroxyethylidene)diphoshonic acid;RP 61;HSDB 5898;Phosphonic acid, (1-hydroxyethylidene)di- UNII-M2F465ROXU;(1-hydroxy-1-phosphonoethyl)phosphonic acid;EINECS 220-552-8;M2F465ROXU;NSC 227995;NSC-227995 BRN 1789291;OEDP;Phosphonic acid, 1-hydroxy-1,1-ethanediyl ester;CHEBI:4907;ethane-1-hydroxy-1,1-bisphosphonic acid Etidronic Acid-d3;DTXSID6023028;M05BA01;(1-hydroxy-1-phosphono-ethyl)phosphonic acid;MFCD00070585;CHEMBL871 1-hydroxyethane 1,1-diphosphonic acid;(1-hydroxy-ethylidene)diphosphonic acid;DTXCID103028;2809-21-4 (freeacid) EC 220-552-8

CAS No.: 2809-21-4
EINECS No.: 220-552-8
Molecular Formula: C2H8O7P2
Molecular Weight: 201.9987
UN: 3265
Class: 8
Package: III

Specifications of the Etidronic Acid (HEDP):

Items Index
Appearance Clear, Colorless to pale yellow aqueous solution White crystal powder
Active content (HEDP)% 58.0-62.0 90.0 min
Active content (HEDP·H2O)% - 98.0 min
Phosphorous acid (as PO33-)% 2.0 max 0.8 max
Phosphoric acid (as PO43- )% 0.8 max 0.5 max
Chloride (as Cl-)% 0.02 max 0.01 max
pH (1% water solution) 2.0 max 2.0 max
Density (20℃)g/cm3 1.40 min -
Fe, mg/L 20.0 max 10.0 max
Ca sequestration (mg CaCO3/g) 500.0 min

Application: Etidronic Acid (HEDP) It 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:
ATMP liquid:200L plastic drum,IBC(1000L),customers' requirement.
ATMP solid: 25kg/bag, customers' requirement.

1-Hydroxyethylidene-1,1-Diphosphonic Acid (HEDP)

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