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sehlahisoa

4-Dimethyl-5-Acetyl Thiazole (CAS#38205-60-6)

Thepa ea Lik'hemik'hale:

Foromo ea limolek'hule C7H9NOS
'Misa oa Molar 155.22
Botenya 1.15 g/mL ho 25 °C (hote.)
Boling Point 228-230 °C (hote.)
Flash point 220°F
JECFA Nomoro 1055
Khatello ea Mouoane 0.0712mmHg ho 25°C
Ponahalo metsi a hlakileng
Matla a Khoheli a khethehileng 1.15
Mmala Bosehla bo kganyang ho ya ho Brown
BRN 120560
pKa 1.97±0.10(E boletsoeng esale pele)
Boemo ba polokelo 2-8°C
Refractive Index n20/D 1.543(lit.)
Sebelisa Se sebedisoang joalo ka monko oa Mahareng

Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Likhoutu tsa Kotsi R36/37/38 – Ho tena mahlo, tsamaiso ya ho hema le letlalo.
R43 – E ka baka maikutlo a matla ka ho ama letlalo
R22 – E kotsi ha e kwetswe
Tlhaloso ea Tšireletseho S26 - Ha u kopana le mahlo, hlatsoa hang-hang ka metsi a mangata 'me u batle keletso ea bongaka.
S37/39 - Apara liatlana tse loketseng le tšireletso ea mahlo / sefahleho
S36/37/39 - Apara liaparo tse loketseng tsa tšireletso, liatlana le tšireletso ea mahlo / sefahleho.
WGK Jeremane 3
Khoutu ea HS 29349990

 

Selelekela

2,4-Dimethyl-5-acetylthiazole ke motsoako oa lintho tse phelang. Se latelang ke selelekela sa thepa, tšebeliso, mekhoa ea ho lokisa le tlhaiso-leseling ea polokeho ea komporo ena:

 

Boleng:

- Ponahalo: 2,4-Dimethyl-5-acetylthiazole ke kristale e se nang 'mala ho ea mosehla o khanyang kapa phofo e tiileng.

- Sollubility: E qhibiliha ka har'a metsoako e mengata ea tlhaho e kang ethanol, ether le acetone, 'me e qhibiliha hanyane ka metsing.

 

Sebelisa:

- Meriana e bolaeang likokoanyana: 2,4-dimethyl-5-acetylthiazole ke sebolaea-likokoanyana se sephara se sebelisoang ho laola likokoanyana tse senyang lijalo joalo ka tšoele ea leaf roller le seboko sa cabbage.

 

Mokhoa:

- 2,4-Dimethyl-5-acetylthiazole ka kakaretso e lokiselitsoe ka ho arabela 2,4-dimethylthiazole ka acylating agent e kang acetyl chloride. Karabelo e etsoa ka mokelikeli o loketseng, o halefile le ho tsosoa ka nako e itseng, ebe o hloekisoa ka crystallization kapa suction filtration.

 

Lintlha tsa Tšireletseho:

- Apara lisebelisoa tsa ts'ireletso tse nepahetseng joalo ka liatlana tsa lab le likhalase tse sireletsang nakong ea ts'ebetso ea indasteri.

- Qoba ho ama letlalo le ho hema lerōle, mosi kapa likhase tse tsoang motsoakong.

- Ha o boloka, boloka ka sejaneng se sa keneng moea, hole le mollo le li-oxidants.

- Nakong ea ts'ebeliso, hoa hlokahala ho latela mekhoa e nepahetseng ea ts'ebetso ea ts'ireletso le ho nka mehato e nepahetseng ea thuso ea pele hang ha kotsi e hlaha. Haeba motho a ka hema ka phoso kapa ka phoso, batla thuso ea bongaka hang-hang.


  • E fetileng:
  • E 'ngoe:

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