leqephe_banner

sehlahisoa

2-Methylthio pyrazine (CAS#21948-70-9)

Thepa ea Lik'hemik'hale:

Foromo ea limolek'hule C5H6N2S
'Misa oa Molar 126.18
Botenya 1.19±0.1 g/cm3(E boletsoeng esale pele)
Melting Point 44 °C
Boling Point 221.2±20.0 °C(E boletsoeng esale pele)
Flash point 87.6°C
JECFA Nomoro 796
Solubility e qhibilihang ka har'a Methanol
Khatello ea Mouoane 0.161mmHg ho 25°C
Ponahalo tiileng
Mmala Bosoeu ho ea ho Orange ho ea ho Botala
Monko o monate linate, monate, nama, tatso e tala hanyenyane
BRN 878423
pKa 0.10±0.10(E boletsoeng esale pele)
Boemo ba polokelo E tiisitsoe ka ho omme, Mocheso oa Kamore
Refractive Index 1.574
Sebelisa Bakeng sa tšebeliso ea letsatsi le letsatsi, tatso ea lijo

Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Matšoao a Kotsi Xn - E Kotsi
Likhoutu tsa Kotsi R22 – E kotsi ha e kwetswe
R37/38 – E tenang tsamaiso ya ho hema le letlalo.
R41 – Kotsi ya tshenyo e kgolo mahlong
Tlhaloso ea Tšireletseho S22 - U se ke ua hema lerole.
S24/25 - Qoba ho kopana le letlalo le mahlo.
S39 - Apara ts'ireletso ea mahlo / sefahleho.
S26 - Ha u kopana le mahlo, hlatsoa hang-hang ka metsi a mangata 'me u batle keletso ea bongaka.
WGK Jeremane 3
TSCA Ee
Khoutu ea HS 29339900

 

Selelekela

2-Methylthiopyrazine ke motsoako oa lintho tse phelang. Se latelang ke selelekela sa thepa, tšebeliso, mekhoa ea ho lokisa le tlhaiso-leseling ea polokeho ea 2-methylthiopyrazine:

 

Boleng:

- 2-Methylthiopyrazine ke kristale e khanyang e mosehla kapa phofo ea crystalline e nang le monko o fokolang oa sebabole.

- Ke alkaline ha e qhibiliha ka metsing 'me e ka qhibiliha ka litharollo tse peli tsa acidic le alkaline.

- Ha e chesa kapa e chesoa, 2-methylthiopyrazine e ntša likhase tse chefo.

 

Sebelisa:

- 2-Methylthiopyrazine e sebelisoa haholo ka lik'hemik'hale tsa lik'hemik'hale e le mokelikeli kapa ligand bakeng sa liketso tsa organic synthesis.

 

Mokhoa:

- Tokisetso ea 2-methylthiopyrazine hangata e fumanoa ka karabelo ea sulfide e nang le 2-chloropyridine. Mohato o tobileng ke ho itšoara ka 2-chloropyridine ka sodium sulfide ka har'a motsoako oa tlhaho ho fumana sehlahisoa sa 2-methylthiopyrazine.

 

Lintlha tsa Tšireletseho:

- 2-Methylthiopyrazine ke motsoako o chefo 'me o lokela ho qojoa ho inhalation, ho kenngoa, kapa ho kopana le letlalo le mahlo.

- Thepa e loketseng ea ho itšireletsa e kang liatlana, likhalase tsa mahlo le mese e lokela ho apesoa nakong ea ha e sebelisoa kapa e lokisoa.

- E lokela ho sebelisoa sebakeng se nang le moea o motle ho qoba mouoane oa eona o fetang moeli oa tšireletso.

- Ha e boloka, e lokela ho bolokoa e tiisitsoe ka thata, hole le mollo le li-oxidants.

- Haeba motho a ka kopana le motho ka phoso kapa a ka ja, batla thuso ea bongaka hang-hang.


  • E fetileng:
  • E 'ngoe:

  • Ngola molaetsa wa hao mona mme o re romele wona