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3-Methyl-2-butanethiol (CAS#40789-98-8)

Thepa ea Lik'hemik'hale:

Foromo ea limolek'hule C4H8OS
'Misa oa Molar 104.17
Botenya 1.035 g/mL ho 25 °C (hote.)
Boling Point 48-49 °C/15 mmHg (hote.)
Flash point 117°F
JECFA Nomoro 558
Khatello ea Mouoane 6.25mmHg ho 25°C
Ponahalo metsi a hlakileng
Matla a Khoheli a khethehileng 1.015
Mmala Ha e na mmala ho isa mosehla o kganyang
pKa 8.38±0.10 (E boletsoeng esale pele)
Boemo ba polokelo Sehatsetsi
E hloahloa Khanya e Imamela
Refractive Index n20/D 1.4352
Thepa ea 'Mele le ea Lik'hemik'hale Mokelikeli o mosehla o se nang 'mala kapa o bobebe, o bontšang monko oa onion le onion. Ho boloka nako e khutšoanyane ho na le maru, 'me marotholi a metsi a ka thehoa ka hare ho 5h mocheso oa kamore. Ntho e qhibilihisang 50 C (2400Pa). E qhibiliha hanyane ka metsing, e qhibiliha ka har'a ethanol, ether, pyridine le alkali.
Sebelisa E sebelisoa joalo ka tatso ea lijo

Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Matšoao a Kotsi Xi - Ea halefisang
Likhoutu tsa Kotsi R10 – E ka cha
R36/37/38 – Ho tena mahlo, tsamaiso ya ho hema le letlalo.
Tlhaloso ea Tšireletseho S26 - Ha u kopana le mahlo, hlatsoa hang-hang ka metsi a mangata 'me u batle keletso ea bongaka.
S36 - Apara liaparo tse loketseng tsa tšireletso.
Li-ID tsa UN UN 1993 3/PG 2
WGK Jeremane 3
RTECS EL9050000
TSCA Ee
Khoutu ea HS 29309090
Sehlopha sa Likotsi 3
Sehlopha sa ho paka III

 

Selelekela

3-mercapto-2-butanone, eo hape e tsejoang e le 2-butanone-3-mercaptoketone kapa MTK, ke motsoako oa lintho tse phelang. Se latelang ke selelekela sa thepa ea eona, tšebeliso, mekhoa ea tlhahiso le tlhaiso-leseling ea polokeho:

 

Boleng:

- Ponahalo: Mokelikeli o se nang mebala kapa kristale e tšoeu

- Sollubility: E qhibiliha ka har'a ethanol, ether le chloroform, e qhibiliha hanyane ka metsing.

 

Sebelisa:

- Li-reagents tsa lik'hemik'hale: hangata li sebelisoa e le li-reagents tsa sulfhydrylation ho organic synthesis bakeng sa motsoako oa metsoako ea sulfhydryl.

- Tšebeliso ea khoebo: 3-mercapto-2-butanone, joalo ka sulfhydryl reagent, e atisa ho sebelisoa ha ho etsoa li-additives tsa rabara, li-accelerator tsa rabara, glyphosate (sebolaea limela), li-surfactants, joalo-joalo.

 

Mokhoa:

Mokhoa o tloaelehileng oa ho lokisa 3-mercapto-2-butanone ke karabelo ea hexane e nang le hydrogen sulfide. Mohato o ikhethileng ke ho sebetsana le hexanone ka hydrogen sulfide ka kholomo ea gel ea silica ho fumana 3-mercapto-2-butanone.

 

Lintlha tsa Tšireletseho:

- 3-mercapto-2-butanone ke mokelikeli o tukang 'me o lokela ho qojoa malakabe a bulehileng kapa mocheso o phahameng.

- Apara mehato e nepahetseng ea ts'ireletso joalo ka likhalase tse sireletsang, liatlana le liaparo tse thibelang ho phatloha nakong ea ts'ebeliso.

- Utloisisa le ho latela mekhoa e nepahetseng ea ts'ebetso le litataiso tsa ts'ebetso ea polokeho pele o sebelisoa.

- Qoba ho kopana le lintho tse kang li-oxidants, li-acid tse matla, li-bases tse matla, le li-oxidants tse matla ho thibela liketso tse kotsi.

- Haeba motho a ka kopana ka phoso, hlatsoa hang-hang ka metsi a mangata 'me u batle thuso ea bongaka hang-hang.

 

Ho bohlokoa ho sebelisa le ho sebetsana le komporo ena ka mokhoa o sireletsehileng le ho latela liprothokholo le tataiso.


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