iphepha_ibhena

imveliso

3-Methyl-2-buten-1-ol (CAS#556-82-1)

Ipropati yeMichiza:

Ifomula yeemolekyuli C5H10O
IMisa yeMolar 86.13
Ukuxinana 0.848g/mLat 25°C(lit.)
Indawo yokunyibilika 43.52°C
Indawo yeBoling 140°C(lit.)
Indawo yokuflasha 110°F
Inombolo yeJECFA 1200
Ukunyibilika kwamanzi 170 g/L (20 ºC)
Ukunyibilika 64g/l
Uxinzelelo loMphunga 1.4 mm Hg ( 20 °C)
Imbonakalo Ulwelo
Umbala Icacile engenambala ukuya kumthubi kancinane kakhulu
I-BRN 1633479
pKa 14.83±0.10(Kuqikelelwe)
Imeko yoGcino Itywinwe kwindawo eyomileyo,2-8°C
Umda wokuqhushumba 2.7-16.3%(V)
Refractive Index n20/D 1.443(lit.)
IiPropati zoMzimba kunye nezeMichiza Le mveliso lulwelo transparent engenambala, kunye incasa Ester eyomeleleyo, B. p.140 ℃(52~56 ℃/2.67kpa),n20D 1.4160, ingxinano 0.8240, okunganyibilikiyo emanzini, ukunyibilika etywaleni, ether kunye nezinye izinyibilikisi eziphilayo.

Iinkcukacha zeMveliso

Iithegi zeMveliso

Iimpawu ezinobungozi Xn – Iyingozi
Iikhowudi zoMngcipheko I-R10-Inokutsha
I-R22 – Iyingozi xa iginyiwe
R36/37/38 – Ukucaphuka kwamehlo, inkqubo yokuphefumla kunye nolusu.
I-R38 – Iyacaphukisa ulusu
I-R21/22 – Iyingozi xa udibana nolusu kwaye ukuba uginyiwe.
Inkcazelo yoKhuseleko S26 – Xa udibana namehlo, hlambulula ngokukhawuleza ngamanzi amaninzi kwaye ufune iingcebiso zonyango.
S36 – Nxiba iimpahla ezifanelekileyo ezikhuselayo.
S37 – Nxiba iiglavu ezifanelekileyo.
S23 – Musa ukuphefumla umphunga.
S16 – Gcina kude kwimithombo yomlilo.
Izazisi ze-UN UN 1987 3/PG 3
WGK eJamani 1
RTECS EM9472500
I-TSCA Ewe
Ikhowudi ye-HS 29052990
IKlasi yeeNgozi 3
Iqela lokuPakisha III

 

Intshayelelo

I-Isoprenol yi-organic compound. Lulwelo olungenambala nevumba elinukayo. Oku kulandelayo kukwazisa kwezinye iipropati, ukusetyenziswa, iindlela zokulungiselela kunye nolwazi lokhuseleko malunga ne-isoprenol:

 

Umgangatho:

I-Isopentenol iyanyibilika emanzini kunye nezinye izinyibilikisi eziphilayo ezifana ne-alcohols kunye ne-ethers.

Inevumba elibukhali elibukhali kwaye inokubangela ukucaphuka okanye ukutshisa xa umphunga urholile okanye udibana nolusu.

Ukuxinana okuphezulu kotywala beprenyl kunokwenza imixube eqhumayo.

 

Sebenzisa:

Isenokusetyenziswa nasekulungiseni izinto zokwaleka, izinyibilikisi kunye nedayi.

 

Indlela:

Eyona ndlela yokulungiselela i-alcohol ye-isoprene ifunyenwe yi-epoxidation reaction ye-isoprenene, edla ngokusetyenziswa kusetyenziswa i-hydrogen peroxide kunye ne-acidic catalysts.

 

Ulwazi ngoKhuseleko:

I-prenyl alcohol iyacaphukisa kwaye kufuneka isetyenziswe ngezixhobo ezifanelekileyo zokukhusela kwaye ugweme ukudibana nolusu kunye namehlo.

Ukunyamekela kufuneka kuthathwe ukuphepha ukudibanisa ne-oxidants, i-acids eqinile kunye neziseko xa usebenzisa okanye ugcina i-isoprenol ukuphepha ukuphendula okuyingozi.

I-Isopentenol inomlinganiselo ophantsi we-flash point kunye nomda wokudubula kwaye kufuneka igcinwe kude namadangatye avulekileyo kunye nemithombo yokutshisa kwaye iqhutywe kwindawo engenamoya.

 


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