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2-5-Dimethylthiophene (CAS#638-02-8)

Ipropati yeMichiza:

Ifomula yeemolekyuli C6H8S
IMisa yeMolar 112.19
Ukuxinana 0.985 g/mL ku-25 °C (lit.)
Indawo yokunyibilika -63°C
Indawo yeBoling 134 °C/740 mmHg (lit.)
Indawo yokuflasha 75°F
Ukunyibilika kwamanzi Ayinyibiliki emanzini. Inyibilika etywaleni, ether kunye nebenzene.
Uxinzelelo loMphunga 8.98mmHg ku-25°C
Imbonakalo Ulwelo
Ubunzima obuthile 0.985
Umbala Icacile engenambala ukuya kumthubi kancinane
I-BRN 106450
Imeko yoGcino Gcina kwindawo emnyama, umoya ongena ngaphakathi, ubushushu begumbi
Refractive Index n20/D 1.512(lit.)
MDL MFCD00005452
IiPropati zoMzimba kunye nezeMichiza Ulwelo olungenambala okanye olumthubi olukhanyayo. Indawo yokubilisa ye-134 deg C (0.985 mmHg), i-flash point ye-23 deg C, ubunzima obuthile.

Iinkcukacha zeMveliso

Iithegi zeMveliso

Iikhowudi zoMngcipheko I-R10-Inokutsha
I-R37 – Iyacaphukisa inkqubo yokuphefumla
I-R20/22 – Iyingozi ngokuphefumla kwaye ukuba iginywe.
Inkcazelo yoKhuseleko S23 – Musa ukuphefumla umphunga.
S24/25-Kuphephe ukudibana nolusu namehlo.
S16 – Gcina kude kwimithombo yomlilo.
S36 – Nxiba iimpahla ezifanelekileyo ezikhuselayo.
S33 -Thatha amanyathelo okhuseleko ngokuchasene nokukhutshwa okungatshintshiyo.
S29 – Musa ukuthulula kwimisele yamanzi.
S7/9 -
S3/7/9 -
Izazisi ze-UN UN 1993 3/PG 3
WGK eJamani 3
Ikhowudi ye-HS 29349990
IKlasi yeeNgozi 3
Iqela lokuPakisha II

 

Intshayelelo

I-2,5-i-Dimethylthiophene yi-organic compound. Lulwelo olunobuthi obuphantsi kunye nolungatshayo oluluthuthu olutyheli ukuya kwiqondo lobushushu begumbi.

 

Umgangatho:

I-2,5-i-Dimethylthiophene ine-solubility efanelekileyo kwaye i-soluble kwi-solvents yezinto eziphilayo ezifana ne-alcohol, i-ethers kunye ne-chlorinated hydrocarbons. Inencasa eyomeleleyo ye-thiomycin kwaye inevumba elibi kancinci emoyeni.

 

Sebenzisa:

 

Indlela:

Indlela eqhelekileyo yokulungiselela i-2,5-dimethylthiophene ifunyenwe ngokusabela kwe-thiophene kunye ne-methyl bromide.

 

Ulwazi ngoKhuseleko:

I-2,5-dimethylthiophene ine-toxicity ephantsi, kodwa kusafuneka ukuba ubeke ingqalelo ekusebenzeni okukhuselekileyo. Ukudibana kwesikhumba neso kufuneka kuphetshwe ngexesha lokudibana, iiglavu zokukhusela, iiglasi kufuneka zinxitywe, kwaye izixhobo ezifanelekileyo zokukhusela kufuneka zisetyenziswe ngaphandle kwelabhoratri. Xa isetyenziswe okanye igcinwe, kufuneka igcinwe kude nemithombo yomlilo kunye ne-oxidants, kwaye iimeko zokungena umoya kufuneka zigcinwe. Ukuba utyiwe okanye urholile, funa unyango ngokukhawuleza.


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