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

I-CAS:3794-83-0

Inkangeleko:Umgubo omhlophe/Ulwelo olungenambala

Ifomula yeMolekyuli:C2H4Na4O7P2

Ubunzima beemolekyuli:293.96

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

Shiya umyalezo wakho

Iinkcukacha zeMveliso

Khuphela

Iithegi zeMveliso

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

Le mveliso lulwelo olunombala omdaka-otyheli. Ubuninzi (kwi-20℃) yi-1.40. Uhlobo olucocekileyo luneqondo lokunyibilika eliyi-198-199℃ kwaye lunyibilika emanzini nakwi-ethanol. Imveliso eqinileyo ine-hygroscopicity enamandla.

Inkcazo

Into	Inkcazo
Inkangeleko	Umgubo omhlophe
Umxholo osebenzayo (njenge-HEDP)%	56.0MIN
Umxholo osebenzayo (njenge-HEDP 4na)%	80MIN
I-phosphorus acid iyonke (njenge-PO43-)%	52MIN
I-PH (isisombululo samanzi esingu-1%)	11~12
I-ppm yentsimbi	20MAX
Ukunciphisa ubunzima bomzimba owomileyo (Ukufuma)%	15MAX

Into	Iinkcukacha
Inkangeleko	Ulwelo olungenambala okanye olumthubi okhanyayo nolucacileyo
Umxholo osebenzayo (njenge-HEDP)%	20.3-21.7
Umxholo osebenzayo	29.0-31.0
pH	10.0-12.0
Intsimbi, ppm	Ubuninzi obungama-20
Uxinano @20℃ , g/cm3	1.26- 1.36

Isicelo

Ingadityaniswa ngeendidi ezahlukeneyo zee-ion zesinyithi.

Isetyenziswa njengesithinteli sesikali kumanzi okupholisa kunye nonyango lwamanzi ebhoyila. Iyakwazi ukumelana nobushushu kakuhle. Isenefuthe elihle kwi-200℃.
Ingasetyenziswa njenge-corrosion inhibitor, i-cyanide-free plating additive.