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oloa

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

Meatotino tau vailaau:

Fuafua mole C5H5NO2
Molar Mass 111.1
Malosi 1.3113 (fa'atatau fa'atatau)
Lisi Lisi 272-276 °C (malamalama)
Manu'a 208.19°C (fa'atatau fa'atatau)
Mata'imu 110.6°C
Suavai Solubility 6.211g/L(20 ºC)
Solubility DMSO, Methanol
Ausa Malo 0.00192mmHg ile 25°C
Fa'aaliga tioata paepae
Lanu samasama moli
BRN 108533
pKa pK1:1.37(+1);pK2:6.45(0);pK3:13(+1) (20°C)
Tulaga Teuteu Atemosifia inert, Temperature Room
Fa'asino Upu 1.4260 (fa'atatau)
MDL MFCD00006273

Fa'amatalaga Oloa

Faailoga o oloa

Fa'ailoga Mata'utia Xi – Irita
Tulaga lamatia 36/37/38 – Fa'aitaita'i i mata, faiga manava ma le pa'u.
Fa'amatalaga Saogalemu S26 – Pe a pa'i i mata, fufulu vave i le tele o vai ma saili fautuaga fa'afoma'i.
S36 – Fai ofu puipui talafeagai.
S37/39 – Fai totigilima talafeagai ma le puipuiga o mata/mata
WGK Siamani 3
RTECS UV1146800
HS Code 29339900
Vasega o Tulaga Lamatia FAAFITAU

 

Folasaga

2,4-Dihydroxypyridine. E iai ona uiga nei:

 

Faʻaaliga: 2,4-Dihydroxypyridine o se tioata paʻepaʻe paʻepaʻe.

Solubility: E lelei le soluble ma e solu i le vai ma le tele o solu solu.

 

Ligand: I le avea ai o se ligand mo faʻalavelave uʻamea suiga, e mafai e le 2,4-dihydroxypyridine ona fausia ni faʻamautu faʻatasi ma metala, lea e faʻaaogaina lautele i le sauniuniga o mea faʻapipiʻi ma mea taua faʻasologa o meaola.

Inhibitor corrosion: E faʻaaogaina e avea o se tasi o vaega o faʻamaʻi uʻamea uʻamea, lea e mafai ona puipuia lelei luga uʻamea mai le pala.

 

Ole auala ole sauniuniga ole 2,4-dihydroxypyridine e faʻapea:

 

Ole auala ole tali ole hydrocyanic acid: 2,4-dichloropyridine e fa'afefe i le hydrocyanic acid e maua ai le 2,4-dihydroxypyridine.

Hydroxylation reaction method: 2,4-dihydroxypyridine e fa'atupuina e ala i le tali atu o le pyridine ma le hydrogen peroxyide i lalo o se fa'atosina platinum.

 

Fa'amatalaga Saogalemu: 2,4-Dihydroxypyridine ose vaila'au vaila'au ma e tatau ona fa'aogaina ma le fa'aeteete:

 

O'ona: 2,4-Dihydroxypyridine e o'ona i nisi fa'atonuga ma e ono fa'aita ai mata ma le pa'u pe a fa'afeso'ota'i. E tatau ona 'alofia le fa'afeso'ota'i sa'o ma le manavaina o lona pefu.

Teuina: 2,4-Dihydroxypyridine e tatau ona teuina i se nofoaga matutu, malulu e aloese ai mai le faʻafesoʻotaʻi ma vailaʻau faʻamaʻi ma vailaʻau malosi. I le taimi o le teuina, e tatau ona gauai atu i le puipuiga o le susu e puipuia ai mai le leaga ona o le susu.

Lafoa'iina o otaota: Lafoa'i talafeagai o otaota, e tatau ona usita'ia tulafono ma tulafono fa'alotoifale, ina ia 'alofia ai le fa'aleagaina o le si'osi'omaga.

 

Pe a faʻaaogaina le 2,4-dihydroxypyridine, faʻaoga talafeagai mo le faʻaogaina o le saogalemu ma faiga puipuia o le tagata lava ia, e pei o le ofuina o totigilima ma mata tioata, e tatau ona mulimulitaʻia ina ia mautinoa le faʻaogaina saogalemu.


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