Orukọ: | Phosphorous acid |
Itumọ ọrọ: | Phosphonic acid;Phosphorous acid;Fonikoli;Rac-phoenicol; |
CAS: | 13598-36-2 |
Fọọmu: | H3O3P |
Agbara Acid: | Alabọde-lagbara Acid |
Ìfarahàn: | Funfun tabi ina ofeefee gara, pẹlu olfato ata ilẹ, rọrun lati deliquescence. |
EINECS: | 237-066-7 |
Koodu HS: | 2811199090 |
Awọn ọna iṣelọpọ ile-iṣẹ pẹlu irawọ owurọ trichloride hydrolysis ati ọna phosphite.
Awọn ọna hydrolysis laiyara afikun omi dropwise to irawọ owurọ trichloride labẹ saropo fun hydrolysis lenu lati se ina phosphorous acid, eyi ti o ti refaini Kemikalibook, tutu ati ki o crystallized, ati decolorized lati gba pari phosphorous acid.
Awọn oniwe-PCI3+3H2O→H3PO3+3HCl ilana isejade ti hydrogen kiloraidi fun atunlo, eyi ti o le wa ni ṣe sinu hydrochloric acid.
1. O ti wa ni laiyara oxidized sinu orthophosphoric acid ninu awọn air ati ki o decomposed sinu orthophosphoric acid ati phosphine (gíga majele ti) nigbati kikan si 180 ℃.Phosphorous acid ni a dibasic acid, awọn oniwe-acidity ni die-die ni okun sii ju phosphoric acid, ati awọn ti o ni lagbara reducibility, eyi ti o le awọn iṣọrọ din Ag ions to fadaka fadaka ati sulfuric acid to sulfur dioxide.Strong hygroscopicity ati deliquescence, ipata.Le fa awọn gbigbona.Irritating si awọ ara.Ti a gbe sinu afẹfẹ, o yọkuro ati pe o rọrun ni tiotuka ninu omi.Nigbati iwọn otutu ba ga ju 160 ℃, H3PO4 ati PH3 ti wa ni ipilẹṣẹ.
2.Stability: idurosinsin
3. Ewọ adalu: lagbara alkali
4. Yago fun awọn ipo olubasọrọ: gbona, afẹfẹ tutu
5. Aggregation ewu: ko si aggregation
6. Ọja ibajẹ: oxide irawọ owurọ
1.It jẹ ohun elo aise fun iṣelọpọ awọn amuduro ṣiṣu, ati pe o tun lo ninu iṣelọpọ awọn okun sintetiki ati phosphite.
2.It le ṣee lo bi agbedemeji glyphosate ati ethephon, ati pe o tun le ṣee lo lati ṣe agbejade oluranlowo itọju omi ti o ga julọ.
1.Properties: funfun tabi ina ofeefee gara, pẹlu ata ilẹ adun ati ki o rọrun deliquescence.
2.Melting ojuami (℃): 73 ~ 73.8
3.Boiling point (℃): 200 (ibajẹ)
4.Relative iwuwo (omi = 1): 1,65
5.Octanol / omi ipin olùsọdipúpọ: 1.15
6. Solubility: Soluble ninu omi ati ethanol.