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Pyridine-2 4-diol (CAS# 84719-31-3)

Ngwongwo kemịkalụ:

Usoro ihe omimi C5H5NO2
Molar Mass 111.1
Njupụta 1.3113 (atụmatụ siri ike)
Ebe Na-agbaze 272-276 Celsius C (ọkụ)
Ebe Boling 208.19ºC (atụmatụ siri ike)
Ebe mgbari 110.6°C
Mmiri Solubility 6.211g/L (20ºC)
Solubility DMSO, methanol
Uzuoku nrịbama 0.00192mmHg na 25°C
Ọdịdị kristal ọcha
Agba odo odo
BRN 108533
pKa pK1:1.37(+1);pK2:6.45(0);pK3:13(+1) (20°C)
Ọnọdụ Nchekwa Ikuku ikuku, Okpomọkụ ụlọ
Ntụgharị uche 1.4260 (atụmatụ)
MDL MFCD00006273

Nkọwa ngwaahịa

Mkpado ngwaahịa

Akara egwu Xi - mgbakasị ahụ
Koodu ihe egwu 36/37/38 - na-akpasu iwe na anya, usoro iku ume na akpụkpọ ahụ.
Nkọwapụta nchekwa S26 - N'ihe banyere kọntaktị na anya, kpochaa ozugbo na ọtụtụ mmiri ma chọọ ndụmọdụ ahụike.
S36 - Yiri uwe nchebe kwesịrị ekwesị.
S37/39 - Yiri uwe aka kwesịrị ekwesị na nchebe anya / ihu
WGK Germany 3
RTECS UV1146800
Koodu HS 29339900
Klas Hazard Iwe

 

Okwu mmalite

2,4-Dihydroxypyridine. Ọ nwere ihe ndị a:

 

Ọdịdị: 2,4-Dihydroxypyridine bụ kristal ọcha siri ike.

Solubility: Ọ nwere ezigbo solubility ma na-agbaze na mmiri yana ụdị ihe mgbaze organic dị iche iche.

 

Ligand: Dị ka ligand maka mgbanwe metal mgbagwoju, 2,4-dihydroxypyridine nwere ike na-emepụta kwụsiri ike ogige na ọla, nke ọtụtụ ebe na-eji na nkwadebe nke catalysts na mkpa organic njikọ mmeghachi omume.

Corrosion inhibitor: A na-eji ya dị ka otu n'ime ihe ndị na-emepụta ihe na-emepụta ihe na-emepụta ígwè, nke nwere ike ichekwa ihe ndị dị n'elu ígwè na corrosion nke ọma.

 

Usoro nkwadebe nke 2,4-dihydroxypyridine bụ ndị a:

 

Usoro mmeghachi omume Hydrocyonic acid: 2,4-dichloropyridine na-emeghachi omume na hydrocyanic acid iji nweta 2,4-dihydroxypyridine.

Usoro mmeghachi omume hydroxylation: 2,4-dihydroxypyridine na-emepụta site na mmeghachi omume nke pyridine na hydrogen peroxide n'okpuru ihe na-emepụta platinum.

 

Ozi nchekwa: 2,4-Dihydroxypyridine bụ ihe kemịkal na ekwesịrị iji nlezianya mee ihe:

 

Nsi: 2,4-Dihydroxypyridine bụ ihe na-egbu egbu na ụfọdụ mkpokọta ma nwee ike ịkpasu anya na akpụkpọ ahụ iwe mgbe akpọtụrụ ya. Ekwesịrị izere kọntaktị ozugbo na ikuku uzuzu ya.

Nchekwa: 2,4-Dihydroxypyridine kwesịrị ịchekwa ya na ebe akọrọ, dị jụụ iji zere kọntaktị na oxidants na acid siri ike. N'oge nchekwa, a ga-akwụ ụgwọ maka nchebe mmiri iji gbochie ya ịdaba n'ihi mmiri.

Ntufu mkpofu: Ntufu ezi uche dị na ya, kwesịrị ịgbaso iwu na ụkpụrụ gburugburu ebe obibi, iji zere mmetọ gburugburu ebe obibi.

 

Mgbe ị na-eji 2,4-dihydroxypyridine, a ga-agbaso usoro ọrụ nchekwa dị mkpa yana usoro nchedo onwe onye, ​​dị ka iyi uwe na enyo enyo, iji hụ na iji nchekwa mee ihe.


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