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2-5-Dimethyl pyrazine(CAS#123-32-0)

Meatotino tau vailaau:

Fuafua mole C6H8N2
Molar Mass 108.14
Malosi 0.99 g/mL ile 25 °C (malamalama)
Lisi Lisi 15°C
Manu'a 155 °C (malamalama)
Mata'imu 147°F
Numera JECFA 766
Solubility Chloroform (La'iti), DMSO (La'u), Methanol (La'u)
Ausa Malo 3.98mmHg ile 25°C
Fa'aaliga Suavai
Gravity Fa'apitoa 0.990
Lanu E manino e leai se lanu i le samasama samasama
BRN 107052
pKa 2.21±0.10(Vavaloa)
PH 7 (H2O)
Tulaga Teuteu Atemosifia inert, Temperature Room
Ma'ale'ale Hygroscopic
Fa'asino Upu n20/D 1.502(mu.)
Meatotino Faaletino ma Vailaau Malosi 0.99
mea vevela 155°C
fa'asino ole su'esu'e 1.491-1.493
mea tau moli 63°C
Fa'aoga Faʻaaogaina i le vali ma falemaʻi falemaʻi, ma faʻaaogaina foi e fai ma meaʻai Spice

Fa'amatalaga Oloa

Faailoga o oloa

Tulaga lamatia R22 – E afaina pe a foloina
R36/37/38 – 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.
UN ID NA 1993 / PGIII
WGK Siamani 3
RTECS UQ2800000
TSCA Ioe
HS Code 29339990
Mata'utia Fa'amatalaga Fa'aitaita

 

Folasaga

2,5-dimethylpyrazine o se faʻalapotopotoga faʻapitoa. O loʻo i lalo se faʻamatalaga i meatotino, faʻaoga, auala sauniuni ma faʻamatalaga saogalemu o le 2,5-dimethylpyrazine.

 

Tulaga lelei:

2,5-Dimethylpyrazine e leai se lanu e malamalama i tioata samasama ma se manogi manogi, nutty, ma le kofe faapitoa.

 

Fa'aaogā:

 

Metotia:

O le sauniuniga o le 2,5-dimethylpyrazine e mafai ona faia i ni auala eseese. O se auala masani o le mauaina lea o le oloa faʻamoemoe e ala i le ammonolysis o le thioacetylacetone sosoo ai ma le cyclization. E le gata i lea, o loʻo i ai isi metotia faʻapipiʻi, e pei o le nitroation o carbon compounds, faʻaitiitia o le acyl oxime, ma isi.

 

Fa'amatalaga Saogalemu:

2,5-Dimethylpyrazine e matua saogalemu mo tagata ma le siosiomaga i lalo o tulaga masani faʻaoga

- Pe a fa'afeso'ota'i ma le pa'u ma mata, e ono tupu ai le ita ma le mumū, ma e tatau ona fa'aeteete pe a fa'aaogaina, e pei o le ofuina o totigilima ma mata tioata.

- Aloese mai le manavaina o le kasa po'o le pefu a'o tagofia, ona o le umi ole manava e ono afaina ai le manava.

- O le fa'afeso'ota'i ma vaila'au fa'ama'i ma vaila'au malolosi e tatau ona 'alofia pe a teuina ina ia 'alofia ai fa'alavelave mata'utia.

- Pe a lafoaʻi, lafoaʻi e tusa ai ma tulafono faatonutonu talafeagai ma aloese mai le lafo saʻo i le siosiomaga.

 


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