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2-Methylthio-3(ranei5or6)-methylpyrazine(CAS#2882-20-4)

Āhuatanga matū:

Tātai rāpoi C6H8N2S
Molar Mass 140.21
Kiato 1.15 g/mL i te 25 °C (marama)
Piro Pouri 213-214 °C (marama)
Tohu Kohiko 210°F
Nama JECFA 797
Te ahua wai marama
Tae Taekore ki Tata kore tae
pKa 0.88±0.10(I Matapaetia)
Tikanga Rokiroki I hiri ki te maroke, Te Pawera o te rūma
Taurangi Refactive n20/D 1.585(marama)
Āhuatanga ā-tinana, matū hoki Te wai kore tae, te kakara pepa matomato kaha, te aramona parai, te kakara hazelnut parai. Kohuatanga o te 105~106 nekehanga C (1600Pa). Ko te kiato whanaunga (d4) ko 1.142~1.145. He iti te wairewa ki te wai, he memeha ki te wairewa wairewa waimeha (1:1,70%;1:5,50%).

Taipitopito Hua

Tohu Hua

Nga Tohu Whakamate Xi – Irritant
Waehere Morearea 36/37/38 – He whakapataritari ki nga kanohi, te punaha manawa me te kiri.
Whakaahuatanga Haumaru S26 – Mena ka pa ki nga kanohi, horoi tonu ki te nui o te wai me te rapu tohutohu hauora.
S36 – Mau kakahu whakamarumaru tika.
UN ID UN 3334
WGK Tiamana 3
TSCA Ae
Waehere HS 29339900

 

Kupu Whakataki

Ko te 2-Methylthio-3-methylpyrazine he pūhui waro. E whai ake nei he kupu whakataki mo tona ahuatanga, te whakamahinga, te tikanga whakarite me nga korero haumaru:

 

Kounga:

1. Te ahua: Ko te 2-methylthio-3-methylpyrazine te nuinga o te wa ma te totoka, te karaihe ranei, me te ahua o te paura.

2. Wairewa: He wairewa i roto i te maha o nga whakarewa pararopi penei i te chloroform, benzene, me te waihano.

 

Whakamahia:

1. Pesticides: Ka taea te whakamahi i te 2-methylthio-3-methylpyrazine hei fungicides me te ngarara, a he pai te mana whakahaere ki nga harore me nga riha ki etahi hua.

2. Te matū o te moana: Ka taea hoki te whakamahi i tenei pūhui ki te rangahau moana ki te ako i te whanonga me nga urupare whaiaroaro o nga rauropi moana.

 

Tikanga:

Ko te 2-Methylthio-3-methylpyrazine ka taea te whakahiato ma nga waahanga e whai ake nei:

1. Whakakotahitia te methyl thiocyanate me te acetone i raro i nga tikanga e tika ana hei hanga i nga heterocycles Kawasaki.

Na, ka tauhohe te Kawasaki heterocycle ki te waikawa formic hei hoatu 2-methylthio-3-methylpyrazine.

 

Mōhiohio Haumaru:

1. Ko te 2-Methylthio-3-methylpyrazine he awe iritarita, me karo i te pa ki te kiri me nga kanohi.

2. Ko nga taputapu whakamarumaru e tika ana penei i nga karapu me nga karaehe me mau i te wa e whakamahi ana, e whakahaere ana ranei.

3. Mena ka ngongohia, ka horomia ranei, me rapu wawe te rongoa.

 


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