Tetra Sodium Salt of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid(HEDP·Na4)

I-Tetra Sodium Salt ye-1-Hydroxy Ethylidene-1,1-Diphosphonic Acid(HEDP·Na4)

CAS No. 29329-71-3 (x-Na), 3794-83-0 (4-Na)

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CAS No. 29329-71-3 (x-Na), 3794-83-0 (4-Na) Synonyms: Tetrasodium etidronate

I-Molecular Formula: C₂H₄O₇P₂Kakade₄ Isisindo se-molecule: 294

Ifomula Yesakhiwo:

Izakhiwo:

HEDP•Na₄ usawoti we-sodium we HEDP, HEDP•Na₄ iyi-inhibitor yesikali esihle se-calcium carbonate, ingasetshenziswa ohlelweni lwamanzi okushisa okuphansi, uhlelo lwamanzi ajikelezayo, uhlelo lwamanzi okuhlanza izimboni nomasipala kanye nedamu lokubhukuda.

The solid HEDP•Na₄ iyimpushana emhlophe, encibilika emanzini, i-deliquescence kalula, ilungele ukusetshenziswa ezifundeni zasebusika nezibandayo. Iwuhlobo lwe-organophorphonic acid esikalini kanye ne-corrosion inhibitor, ingakha inkimbinkimbi ezinzile nge-Fe, Cu kanye ne-Zn ions, ingancibilikisa ama-oxide endaweni yensimbi, inesilinganiso esihle kanye nomphumela wokugqwala ongaphansi kuka-250 ℃.

HEDP•Na₄ is widely used in circulating cool 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•Na₄ is used as detergent for metal and nonmetal. In dyeing industry, HEDP•Na₄ is used as peroxide stabilizer and dye-fixing agent; In non-cyanide electroplating, HEDP•Na₄ isetshenziswa njenge-ejenti ye-chelating.

Ukucaciswa:

Izinto	Inkomba
Ukubukeka	Uketshezi olusobala olungenambala ukuya kokuphuzi	Impushana emhlophe
Okuqukethwe okusebenzayo (HEDP)%	20.3-21.7	60.0 imiz
Active content (HEDP•Na₄)%	29.0-31.0	85.0 imiz
Ingqikithi ye-phosphoric acid (njenge-PO₄^3-) %	18.4-20.4	55.0 imiz
Fe, mg/L	20.0 ubuningi	35.0 ubuningi
Umswakama,%	--	10.0 ubuningi
Ukuminyana (20℃)g/cm³	1.26-1.36	--
PH (1% isixazululo samanzi)	10.0-12.0	11.0-12.0