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Awọn ọja

Olowo poku / Didara giga Phosphorous Acid CAS No.. 13598-36-2

Ifarahan ati awọn ohun-ini: White crystalline ri to
iwuwo: 1.651 g/mL ni 25 °C (tan.)
Ojuami yo: 73 °C
Oju otutu: 200 °C
Aaye filasi: 200°C
Omi solubility: SOLUBLE
olùsọdipúpọ acidity (pKa): pK1 1.29;pK2 6.74 (ni 25℃)
Awọn ipo ibi ipamọ / awọn ọna ibi ipamọ: Ile-ipamọ naa jẹ afẹfẹ ati ki o gbẹ ni iwọn otutu kekere, ati pe o ti fipamọ lọtọ lati ọdọ aṣoju H pore ati alkali.

Alaye ọja

ọja Tags

ọja Apejuwe

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

Fosforu Didara to gaju (4)

Fosforu Didara to gaju (3)

Ọna iṣelọpọ

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.

Iduroṣinṣin Jẹmọ

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

Nlo

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.

Alaye ni Afikun

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.


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