(1-Hydroxyethylidene)bis-phosphonic acid tetrasodium salt HEDP 4Na CAS 3794-83-0

I-CAS:3794-83-0

Ukubukeka:Impuphu emhlophe/Uketshezi olungenambala

Ifomula Yamamolekyuli:C2H4Na4O7P2

Isisindo sama-molecule:293.96

Elinye Igama:I-HEDP Na4, (1-Hydroxyethylidene)bis-phosphonic acid usawoti we-tetrasodium

Shiya Umlayezo Wakho

Imininingwane Yomkhiqizo

Landa

Amathegi Omkhiqizo

Iyini i-HEDP 4Na CAS 3794-83-0?

Lo mkhiqizo uketshezi olunombala onsundu-ophuzi oluqinile. Ubuningi obuhlobene (ku-20℃) bungu-1.40. Uhlobo olumsulwa lunezinga lokuncibilika elingu-198-199℃ futhi luncibilika emanzini kanye ne-ethanol. Umkhiqizo oqinile une-hygroscopicity enamandla.

Imininingwane

Into	Imininingwane
Ukubukeka	Impuphu emhlophe
Okuqukethwe Okusebenzayo (njenge-HEDP)%	56.0MIN
Okuqukethwe Okusebenzayo (njenge-HEDP 4na)%	80MIN
Ingqikithi ye-phosphoric acid (njenge-PO43-)%	52MIN
Isixazululo samanzi esingu-PH (1%)	11~12
I-iron ppm	20MAX
Ukwehla kwesisindo okomile (Umswakama)%	15MAX

Into	Imininingwane
Ukubukeka	Uketshezi olukhanyayo olungenambala noma oluphuzi ngokukhanyayo
Okuqukethwe Okusebenzayo (njenge-HEDP)%	20.3-21.7
Okuqukethwe Okusebenzayo	29.0-31.0
pH	10.0- 12.0
Insimbi, ppm	Ubuningi obungu-20
Ubuningi @20℃ , g/cm3	1.26- 1.36

Isicelo

Kungahlanganiswa ngezinhlobo ezahlukene zama-ion ensimbi.

Isetshenziswa njengesivimbeli sesikali emanzini okupholisa kanye nokwelashwa kwamanzi abilayo. Ukumelana okuhle nokushisa. Isenomphumela omuhle ku-200℃.
Ingasetshenziswa futhi njenge-corrosion inhibitor, i-cyanide-free plating additive.