High Purity meriana intermediates Theko e tlaase Hypophosphorous acid CAS 6303-21-5

Likahare tsa sehlahisoa

Sebaka sa ho qhibiliha -25 °C
Sebaka se belang 108 °C (759.8513 mmHg)
boima ba 1.206 g/mL ho 20 °C(lit.)
khatello ea mouoane <17 mmHg (20 °C)
mocheso oa polokelo.ha ho lithibelo.
pka pK1 1.1.
etsa dikristale tsa hygroscopic kapa lero le mafura a se nang mmala
colorless
Motsoako oa Metsi SOLUBLE

tse ding

Hypophosphorous acid ke ntho e fokotsang.Asiti e matla ea monobasic.Tharollo ea metsi e na le asiti 'me butle-butle e ka oxidize moeeng ka mocheso oa kamore.Ho kopana le H pore ho ka baka mollo.Ho chesa ka lebaka la karabelo e matla ea li-oxidants.Khase ea phosphine, e chefo haholo ka lebaka la ho bola ha mocheso o phahameng, ebile ea phatloha.E senyang.Hypophosphorous acid hangata e kenngoa linong tse pholileng hobane ha e monye.Kahoo kotsi e nyane, empa Hypophosphorous acid e nang le mohopolo o matla haholo e tla lematsa pampitšana ea mala.Ho futhumatsa acid e tiileng ho 130-140 ℃ ho fella ka ho se leka-lekane le ho bola ho PH3 le H3PO4.

Hypophosphorous acid, eo hape e tsejoang e le "hypophosphite", mafura a se nang mebala kapa kristale e monate, ke sehlahisoa sa bohlokoa sa indasteri e ntle ea lik'hemik'hale.E sebelisoa haholo-holo e le ntho e fokotsang bakeng sa plating ea electroless ho thibela ho senyeha ha resin ea acid e phosphoric, hammoho le catalyst le refrigerant bakeng sa karabelo ea esterification, haholo-holo bakeng sa tlhahiso ea boleng bo phahameng ba Sodium hypophosphite.Ho na le mekhoa e mengata ea ho itokisa, eo ho eona mekhoa e tloaelehileng ea ho itokisa indastering e leng mokhoa oa ion exchange resin le mokhoa oa Electrodialysis.

Lisebelisoa

1. Hypophosphorous acid e sebelisoa e le ntho e fokotsang bakeng sa plating ea electroless;
2. E ka sebelisoa ho thibela ho fifala ha resin ea phosphoric acid;
3. E sebelisoa e le esterification catalyst, refrigerant;
4. E sebelisoa ho hlahisa hypophosphite, letsoai la sodium, letsoai la manganese, letsoai la tšepe hangata le sebelisoa e le lintho tse matlafatsang;
5. Hypophosphorous acid e sebelisoa meriana le ho fokotsa moemeli, boikemisetso ba arsenic, tellurium le ho arohana ha tantalum, niobium le li-reagents tse ling.
6. Ke moemeli ea matla oa ho fokotsa, E ka sebelisoa bakeng sa ho lokisetsa sodium hypophosphite, calcium phosphate le hypophosphite tse ling.
7. E ka sebelisoa bakeng sa ho hlapa.Meriana ea meriana.ntho e fokotsang.li-reagents tse akaretsang.
8. Ke sesebelisoa se matla sa ho fokotsa, se ka sebelisoa ho etsa sodium hypophosphite, calcium phosphate le hypophosphite tse ling.
9. Sehlahisoa sena se sebelisoa haholo e le moemeli oa ho fokotsa, Ag, Cu, Ni, Hg le litšepe tse ling li fokotsehile ho ea tšepe e lumellanang, bakeng sa ho netefatsa As, Nb, Ta a.