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Ethyl ethynyl carbinol (CAS# 4187-86-4)

Thepa ea Lik'hemik'hale:

Foromo ea limolek'hule C5H8O
'Misa oa Molar 84.12
Botenya 0.975g/mLat 25°C(lit.)
Melting Point -24.1°C (khakanyo)
Boling Point 124 °C
Flash point 85°F
Ho qhibiliha ha Metsi E qhibiliha hanyane ka metsing.
Khatello ea Mouoane 5.24mmHg ho 25°C
Tekano ea Mouoane 1 (khahlanong le moea)
Ponahalo metsi a hlakileng
Mmala Ha e na 'Mala ho ea ho Bosehla ho ea ho Botala
BRN 1098409
pKa 13.28±0.20(E boletsoeng esale pele)
Boemo ba polokelo E koaletsoe sebakeng se omileng, 2-8 ° C
Refractive Index n20/D 1.434(lit.)
MDL MFCD00004572

Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Matšoao a Kotsi T - e chefo
Likhoutu tsa Kotsi R10 – E ka cha
R23/24/25 – E na le chefo ka ho hema, ho kopana le letlalo le haeba e koetsoe.
Tlhaloso ea Tšireletseho S16 - Ipoloke hole le mehloli ea mollo.
S36/37/39 - Apara liaparo tse loketseng tsa tšireletso, liatlana le tšireletso ea mahlo / sefahleho.
S45 – Ha ho ka etsahala kotsi kapa ha o ikutlwa o sa phele hantle, batla keletso ya bongaka hanghang (bontsha leibole neng kapa neng ha ho kgoneha.)
Li-ID tsa UN UN 1986 3/PG 3
WGK Jeremane 3
RTECS SC4758500
Khoutu ea HS 29052900
Sehlopha sa Likotsi 3
Sehlopha sa ho paka III

 

Selelekela

Ethyl ethynyl carbinol(Ethyl ethynyl carbinol) ke motsoako oa organic o nang le foromo ea lik'hemik'hale C6H10O. E fumanoa ka ho eketsa sehlopha sa hydroxyl (sehlopha sa OH) ho pentyne. Lintho tsa eona tsa 'mele ke tse latelang:

 

Ethyl ethynyl carbinol ke mokelikeli o se nang 'mala o monko o monate. E qhibiliha ka metsing le lihlapolli tse ngata tsa tlhaho tse kang alcohols, ethers le esters. E na le sekhahla se tlase, e bobebe ho feta metsi, 'me e na le ntlha e phahameng ea ho bela.

 

Ethyl ethynyl carbinol e na le ts'ebeliso e itseng ho organic synthesis. E ka sebelisoa e le thepa ea ho qala le ea lipakeng tsa motsoako oa manyolo, 'me hangata e sebelisoa ha ho lokisoa metsoako e nang le carbonyl. E ka nka karolo ho alkyd esterification, olefin tlatsetso, saturated hydrocarbon carbonylation reaction. Ho phaella moo, 1-pentin-3-ol e ka boela ea sebelisoa ha ho etsoa lidae le lithethefatsi.

 

Mokhoa oa ho lokisetsa Ethyl ethynyl carbinol o ka etsoa ka mehato e latelang: pele, pentyne le sodium hydroxide (NaOH) li itšoara ka ethanol ho hlahisa letsoai la sodium la 1-pentin-3-ol; ebe, 1-pentyn-3-ol letsoai la sodium e fetoloa letsoai la Ethyl ethynyl carbinol ka karabelo ea acidification.

 

Ha u sebelisa le ho sebetsana le Ethyl ethynyl carbinol, u lokela ho ela hloko lintlha tse latelang tsa tšireletso: E halefisa 'me e ka baka ho halefa le ho ntša kotsi letlalong le mahlo, kahoo u lokela ho apara lisebelisoa tse loketseng tsa ho itšireletsa, tse kang li-gloves le likhalase. Ho phaella moo, e ka chesa 'me e lokela ho qojoa ho kopana le malakabe a bulehileng kapa mehloli e phahameng ea mocheso,' me e bolokoe hantle. Ts'ebetso efe kapa efe e tsoelang pele e amanang le komporo e lokela ho etsoa ho latela mekhoa e bolokehileng ea ts'ebetso.


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