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oloa

2 3 5-Tribromopyridine (CAS# 75806-85-8)

Meatotino tau vailaau:

Fuafua mole C5H2Br3N
Molar Mass 315.79
Malosi 2.406±0.06 g/cm3(Va'ai)
Lisi Lisi 44.0 i le 48.0 °C
Manu'a 160°C(malamalama)
Mata'imu 123.2°C
Ausa Malo 0.00653mmHg ile 25°C
pKa -3.92±0.20(Vailoaina)
Tulaga Teuteu Temperature Potu
Fa'asino Upu 1.642

Fa'amatalaga Oloa

Faailoga o oloa

Tulaga lamatia 34 – Mafua ai mu
Fa'amatalaga Saogalemu S26 – Pe a pa'i i mata, fufulu vave i le tele o vai ma saili fautuaga fa'afoma'i.
S27 – Aveese loa lavalava uma ua afaina.
S36/37/39 – Fai ofu puipui talafeagai, totigilima ma mata/mata.
S45 – I se fa'alavelave po'o ua e lagona le le lelei, saili vave fautuaga fa'afoma'i (fa'aali le igoa pe a mafai.)
Vasega o Tulaga Lamatia AGA, SUSU S

 

Folasaga

2,3,5-Tribromopyridine o se faʻalapotopotoga faʻapitoa faʻatasi ai ma le vailaʻau vailaʻau C5H2Br3N. O lo'o ta'ua i lalo se fa'amatalaga i nisi o ona meatotino, fa'aoga, fa'atulagaina ma fa'amatalaga saogalemu:

 

natura:

-Fa'aaliga: 2,3,5-Tribromopyridine o se lanu e leai se lanu i samasama lanu samasama.

-Solubility: E faigata ona solu i totonu o le vai, ae mafai ona faʻamavaeina i solu faʻaola pei ole chloroform, dichloromethane, ma isi.

-Melting point: 2,3,5-Tribromopyridine o loʻo i ai se mea faʻafefete e tusa ma le 112-114 ° C.

 

Fa'aaogā:

- 2,3,5-Tribromopyridine e masani ona faʻaaogaina e avea o se reagent ma le vaeluagalemu i le faʻaogaina o meaola.

-O loʻo faʻaaogaina lautele i le fanua o vailaʻau faʻapipiʻi, gaosiga o vailaau faʻasaina ma le sauniuniga o le vali.

-E le gata i lea, e mafai foi ona faʻaaogaina e avea o se mea amata mo le tuʻufaʻatasia o mea faʻapipiʻi uʻamea (e aofia ai polymers faʻamaopoopo ma mea e faʻaogaina ai le photoelectric).

 

Sauniuniga auala:

Ole auala sauniuni ole 2,3,5-Tribromopyridine e mafai ona ausia i laasaga nei:

Muamua, o le pyridine o loʻo faʻamavaeina i totonu o se solvent organic pei ole dichloromethane poʻo le chloroform.

2. Faaopopo le bromine i le vaifofo ma vevela le gaioiga.

3. A mae'a le tali, sa fa'afefeteina le mea fa'apalapala e ala ile fa'aopopoga fa'atete ole vai.

4. Ma le mea mulimuli, o le oloa e vavae ese ma faʻamamāina e ala i le filtration, crystallization, ma isi.

 

Fa'amatalaga Saogalemu:

- 2,3,5-Tribromopyridine o le a le mafua ai faʻafitauli saogalemu i lalo o tulaga masani faʻagaioia.

-E ono afaina ai le pa'u, mata ma le manava, o lea ia fai ni mea e puipuia ai le tagata lava ia pe a fa'aaogaina.

-Mata'ita'i faiga sa'o ile falesu'esu'e ma faiga mo le saogalemu pe a fa'aogaina lenei fa'aputuga.

-Pe a teuina ma le faʻaogaina o le vailaʻau, e tatau ona faʻaeteete e aloese mai le faʻafesoʻotaʻi ma vailaʻau faʻamaʻi, malosi malosi, faʻavae malosi ma isi mea.

 

Faamolemole ia matau o faamatalaga o loo i luga e mo na'o le faasinomaga. Pe a faʻaaogaina le 2,3,5-Tribromopyridine poʻo soʻo se isi vailaʻau, faʻamolemole mulimuli i fautuaga mo le faʻaogaina saogalemu ma le faʻaoga saʻo, ma faitau ma usitaʻia le pepa faʻamatalaga saogalemu o le vailaʻau talafeagai.


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