Purity: ≥95%

Canonical SMILES:
CC(O)(P(=O)(O)[O-])P(=O)(O)[O-].[Na+].[Na+]

InChI:
InChI=1S/C2H8O7P2.2Na/c1-2(3,10(4,5)6)11(7,8)9;;/h3H,1H3,(H2,4,5,6)(H2,7,8,9);;/q;2*+1/p-2

InChIKey: GWBBVOVXJZATQQ-UHFFFAOYSA-L

Boiling Point: 578.8°C at 760 mmHg
Melting Point: >261°C (dec.)
Solubility: Soluble in Water (Slightly)
Appearance: White Solid
Application: HEDP·Na2 is widely used in circulating cooling water system, medium and low pressure boiler, oil field water pipelines as scale and corrosion inhibitor in fields such as electric power, chemical industry, metallurgy, fertilizer, etc.. In light woven industry, HEDP·Na2 is used as detergent for metal and nonmetal. In dyeing industry, HEDP·Na2 is used as peroxide stabilizer and dye-fixing agent. In non-cyanide electroplating, HEDP·Na2 is used as chelating agent.
Storage: Store at 2-8°C

Synonyms:
HEDP·Na2; Phosphonic acid, P,P'-(1-hydroxyethylidene)bis-, sodium salt (1: 2); Phosphonic acid, (1-hydroxyethylidene)bis-, disodium salt; Phosphonic acid, (1-hydroxyethylidene)di-, disodium salt; 1-Hydroxyethane-1,1-diphosphonic acid disodium salt; BA 49280E; Calcimux; Chelest PH 210; Chelest PH 212; Cublen K 2012; Didronel; Didronel R; Disodium (1-hydroxyethylidene)-1,1-bisphosphonate; Disodium (1-hydroxyethylidene)-1,1-diphosphonate; Disodium 1-hydroxy-1,1-ethanediphosphonate; Disodium 1-hydroxyethane-1-diphosphonate; Disodium 1-hydroxyethanediphosphonate; Disodium 1-hydroxyethylidenediphosphonate; Disodium ethane-1-hydroxy-1,1-diphosphonate; Disodium ethane-1-hydroxy-1,1-diphosphonic acid; Disodium ethane-1-hydroxy-1-diphosphonate; Disodium ethanol-1,1-diphosphonate; Disodium ethydronate; Disodium etidronate; Disodium HEDP; Disodium hydroxyethylidene diphosphonate; Etidron; Etidronic acid disodium salt; Fostex NZ 2; Hydroxyethylidene diphosphonic acid disodium salt; Ostedron; PH 212; Sequion 10Na2; Sodium ethane-1-hydroxy-1,1-diphosphonate; Sodium ethidronate; Sodium ethydronate; Sodium etidronate; TF 133B (chelating agent); Turpinal 2NZ; Xydifon

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