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

Ityuwa yeTetra Sodium 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

Ifomula yemolekyuli: C₂H₄O₇P₂Sele₄ Ubunzima bemolekyuli: 294

Ifomula yoLwakhiwo:

Iinkcazelo ngeempawu:

HEDP•Na₄ yityuwa yesodium ye HEDP, HEDP•Na₄ yi-inhibitor yesikali esilungileyo se-calcium carbonate, ingasetyenziswa kwinkqubo yamanzi ebhoyila yoxinzelelo oluphantsi, inkqubo yamanzi ejikelezayo, inkqubo yamanzi yokucoca i-industrial kunye nomasipala kunye ne-swimming pool.

The solid HEDP•Na₄ ngumgubo omhlophe, unyibilika emanzini, ubuqhophololo ngokulula, bulungele ukusetyenziswa ebusika nakwizithili ezibanda. Iluhlobo lwesikali se-organophorphonic acid kunye ne-corrosion inhibitor, inokwenza i-complex ezinzile kunye ne-Fe, Cu kunye ne-Zn ion, inokunyibilikisa i-oxides kwindawo yesinyithi, inomlinganiselo omhle kunye ne-corrosion inhibition effect phantsi kwe-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 isetyenziswa njenge arhente chelating.

Inkcazo:

Izinto	Isalathiso
Imbonakalo	Ulwelo olungenambala ukuya kumthubi olubonakalayo	Umgubo omhlophe
Umxholo osebenzayo (HEDP)%	20.3-21.7	60.0 imiz
Active content (HEDP•Na₄)%	29.0-31.0	85.0 imiz
Iyonke i-asidi ye-phosphoric (njenge-PO₄^3-) %	18.4-20.4	55.0 imiz
Fe, mg/L	20.0 ubuninzi	35.0 ubuninzi
Ukufuma,%	--	10.0 ubuninzi
Ubuninzi (20℃)g/cm³	1.26-1.36	--
PH (1% isisombululo samanzi)	10.0-12.0	11.0-12.0