Disodium Salt of 1-Hydroxy Ethylidene-1,1-Diphosphonic Acid(HEDP•Na2)

Disodium Munyu we1-Hydroxy Ethylidene-1,1-Diphosphonic Acid(HEDP•Na2)

CAS Nha. 7414-83-7

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Details

Properties:

HEDP•Na₂ is organophosphonic acid corrosion inhibitor, inogona chelate neFe, Cu, uye Zn ions, inogona kunyungudutsa oxidized zvinhu, ine chiyero chakanaka uye corrosion inhibition mhedzisiro kunyangwe iri pasi pe250 ℃, yakagadzikana pasi peyakanyanya pH kukosha, haisi nyore kuita. kuve hydrolyzed, zvisiri nyore kuodzwa pasi pechiedza chakajairwa uye kupisa mamiriro, ayo asidhi / alkaline uye chloride oxidation kushivirira zviri nani pane zveimwe organophosph-onic acids. HEDP•Na₂ inogona kuumba matanhatu-ring chelating makomisheni ane simbi ions mumvura system, Ca2 + kunyanya. HEDP•Na₂ ine good scale inhibition effects uye zviri pachena dissolution threshold effects. Kana ichishandiswa nemamwe Mvura Yekurapa Makemikari, iyo synergistic mhedzisiro iri nani.

Tsanangudzo:

Items	Index
Chitarisiko	Mvura isina ruvara kuenda kuyero inoonekera	Upfu chena
Active component(HEDP), %	16.5 min	74.0-79.0
Active content(HEDP•Na₂), %	20.0 min	89.8 min
Density (20 ℃), g/cm³	1.12-1.22	--
Fe, mg/L	--	20 max
Phosphorous acid (PO₃^3-), %	--	3 max
Unyoro,%	--	3.0-6.0
PH (1% mhinduro yemvura)	4.0-6.0	4.0-6.0

Kushandisa:

HEDP•Na₂ 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•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 inoshandiswa se chelating agent.

Kurongedza uye kuchengetedza:

Mvura: 200L epurasitiki chigubhu, IBC (1000L), zvinodiwa nevatengi. Kuchengetedza kwemwedzi gumi nembiri mukamuri ine mumvuri uye munzvimbo yakaoma.

Yakasimba: 25kg / bhegi, zvinodiwa nevatengi. Kuchengeta kwemwedzi gumi mukamuri ine mumvuri uye munzvimbo yakaoma.

Chengetedzo nekudzivirira:

HEDP·Na2 is weakly acidic. Avoid contact with eyes and skin. Once splashed on the body, rinse immediately with plenty of water.

Mashoko anoreva zvakafanana:

Disodium Etidronate Hydrate; Disodium dihydrogen bisphosphonate (1-hydroxyethylidene) bisphosphonate

Keywords: HEDP·Na₂

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