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imveliso

IWhisky Lactone (CAS#39212-23-2)

Ipropati yeMichiza:

Ifomula yeemolekyuli C9H16O2
IMisa yeMolar 156.22
Ukuxinana 0.952g/mLat 25°C(lit.)
Indawo yeBoling 93-94°C5mm Hg(lit.)
Indawo yokuflasha >230°F
Inombolo yeJECFA 437
Uxinzelelo loMphunga 0.027mmHg ku-25°C
Imbonakalo ulwelo olucacileyo
Umbala Ayinambala ukuya Phantse ayinambala
Refractive Index n20/D 1.4454(lit.)
IiPropati zoMzimba kunye nezeMichiza Ulwelo olungenambala. Ikwincasa yewayini, efana nevumba lewayini kunye nencasa yecoumarin, ikhokhonathi, iinkuni, indongomane njalo njalo. Indawo yokubilisa ye-93 ~ 94 deg C. Ukunyibilika emanzini <0.1%; Ukunyibilika kwi-hexane> 50%. Iimveliso zendalo zifumaneka kwiwayini, irum, ikhephu kunye newayini.

Iinkcukacha zeMveliso

Iithegi zeMveliso

Iimpawu ezinobungozi Xi – Irritant
Iikhowudi zoMngcipheko 36/37/38 – Ukucaphukisa amehlo, inkqubo yokuphefumula kunye nolusu.
Inkcazelo yoKhuseleko S26 – Xa udibana namehlo, hlambulula ngokukhawuleza ngamanzi amaninzi kwaye ufune iingcebiso zonyango.
S36 – Nxiba iimpahla ezifanelekileyo ezikhuselayo.
I-S37/39 -Nxiba iiglavu ezifanelekileyo kunye nokukhusela amehlo / ubuso
WGK eJamani 2

 

Intshayelelo

I-Whisky lactone yikhompawundi yekhemikhali eyaziwa ngokuba yi-2,3-butanediol lacone.

 

Umgangatho:

I-Whisky lactone lulwelo olungenambala ukuya kumthubi okhanyayo olunevumba elikhethekileyo elifana nencasa yewiski. Ayinyibiliki kancinci kunamanzi kwiqondo lobushushu begumbi, kodwa inyibilika ngokulula kwizinyibilikisi eziphilayo ezifana ne-ethanol kunye ne-ether.

 

Iilaktoni zeWhisky zenziwa ikakhulu ngamachiza. Indlela eqhelekileyo yokulungiselela kukufumana i-whisky lactones nge-esterification ye-2,3-butanediol kunye ne-acetic anhydride phantsi kweemeko zokusabela.

 

Ulwazi ngoKhuseleko: I-Whisky lactones ithathwa njengekhuselekile ebantwini, kodwa inokubangela ukuphazamiseka kokugaya ukutya okufana nokuphazamiseka kwesisu xa ityiwe ngokugqithisileyo. Kuyimfuneko ukulawula inani elifanelekileyo ngexesha lokusetyenziswa kwaye ugweme ukusetyenziswa ngokugqithiseleyo. Kubantu abane-allergies, kukho ithuba lokuphendula, ngoko ke uvavanyo olufanelekileyo lwe-allergies kufuneka lwenziwe ngaphambi kokusetyenziswa. I-Whisky lactones kufuneka igwenywe ekudibaneni namehlo kunye nolusu, kwaye ihlanjululwe ngamanzi ngokukhawuleza ukuba ibanjwe ngokungazi. Xa ugcina, kufuneka ubekwe kwindawo epholileyo, eyomileyo ukuphepha ukushisa okuphezulu kunye nomlilo.


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