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2-Methylthio-3(poo5poo6)-methylpyrazine(CAS#2882-20-4)

Meatotino tau vailaau:

Fuafua mole C6H8N2S
Molar Mass 140.21
Malosi 1.15 g/mL ile 25 °C (malamalama)
Manu'a 213-214 °C (malamalama)
Mata'imu 210°F
Numera JECFA 797
Fa'aaliga vai manino
Lanu Le lanu e toetoe lava leai se lanu
pKa 0.88±0.10(Vailoaina)
Tulaga Teuteu Faamauina i le mago, Temperature Room
Fa'asino Upu n20/D 1.585(mu.)
Meatotino Faaletino ma Vailaau Suavai e le lanu, manogi pepa lanumeamata malosi, almond falai, manogi hazelnut falai. Fa'apuna o le 105~106 tikeri C (1600Pa). O le va'aiga vavalalata (d4) o le 1.142 ~ 1.145. Solu teisi i le vai, solu i le vaifofo vai vai (1:1,70%;1:5,50%).

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.
UN ID UN 3334
WGK Siamani 3
TSCA Ioe
HS Code 29339900

 

Folasaga

2-Methylthio-3-methylpyrazine o se faʻalapotopotoga faʻapitoa. O lo'o ta'ua i lalo se folasaga i lona natura, fa'aoga, auala sauniuni ma fa'amatalaga saogalemu:

 

Tulaga lelei:

1. Faʻaaliga: 2-methylthio-3-methylpyrazine e masani ona paʻepaʻe paʻepaʻe poʻo tioata, ma e mafai foi ona i ai i le paʻu.

2. Solubility: E solu i le tele o solu fa'aola pei ole chloroform, benzene, ma ethanol.

 

Fa'aaogā:

1. Pesticides: 2-methylthio-3-methylpyrazine e mafai ona faʻaaogaina e pei o fungicides ma iniseti, ma e iai se aafiaga lelei i luga o gaʻo ma faʻamaʻi i nisi o fua.

2. Kemisi o le gataifale: E mafai fo'i ona fa'aoga lenei mea i su'esu'ega o le gataifale e su'esu'e ai amioga ma tali fa'aletino o meaola o le gataifale.

 

Metotia:

2-Methylthio-3-methylpyrazine e mafai ona faʻapipiʻiina i laasaga nei:

1. Condensate methyl thiocyanate ma acetone i lalo o tulaga talafeagai e fausia Kawasaki heterocycles.

Ona tali atu lea o le Kawasaki heterocycle i le acid formic e maua ai le 2-methylthio-3-methylpyrazine.

 

Fa'amatalaga Saogalemu:

1. 2-Methylthio-3-methylpyrazine ei ai sona aafiaga ita ma e tatau ona aloese mai le faʻafesoʻotaʻi ma le paʻu ma mata.

2. O mea faigaluega puipui talafeagai e pei o totigilima ma matatioata e tatau ona ofuina pe a faʻaaoga pe tagofia.

3. Afai e manava pe inu, saili vave togafitiga faafomaʻi.

 


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